[go: up one dir, main page]

WO2012131889A1 - Rouleau de papier hygiénique - Google Patents

Rouleau de papier hygiénique Download PDF

Info

Publication number
WO2012131889A1
WO2012131889A1 PCT/JP2011/057747 JP2011057747W WO2012131889A1 WO 2012131889 A1 WO2012131889 A1 WO 2012131889A1 JP 2011057747 W JP2011057747 W JP 2011057747W WO 2012131889 A1 WO2012131889 A1 WO 2012131889A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
component
coating
toilet paper
paper roll
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2011/057747
Other languages
English (en)
Japanese (ja)
Inventor
峰雄 八田
近司 山本
敏浩 古林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Paper Crecia Co Ltd
Original Assignee
Nippon Paper Crecia Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Paper Crecia Co Ltd filed Critical Nippon Paper Crecia Co Ltd
Priority to PCT/JP2011/057747 priority Critical patent/WO2012131889A1/fr
Publication of WO2012131889A1 publication Critical patent/WO2012131889A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • D21H27/004—Tissue paper; Absorbent paper characterised by specific parameters
    • D21H27/005—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/22—Agents rendering paper porous, absorbent or bulky

Definitions

  • the present invention relates to a toilet paper roll coated with a moisturizing component such as a lotion and a soft component.
  • tissue paper and toilet paper coated with a moisturizing component such as lotion have been developed (see Patent Documents 1 to 3).
  • lotion tissue is coated with skin-friendly components and components for relieving inflammation at the onset of rhinitis due to cold and hay fever etc.
  • These lotion components are smooth with a water-soluble moisturizing component consisting mainly of glycerin and sorbitol, and web.
  • Surfactants for imparting hardness and, if necessary, medicinal ingredients such as aloe are prepared. All of these components are water-soluble or are water-solubilized by an emulsion or the like.
  • the base paper can be coated without being broken even if it contacts a water-soluble lotion component at the time of coating.
  • the wet paper strengthening agent can not be added to the toilet paper that requires water degradability, if the water-soluble lotion component is applied to the entire surface of the toilet paper, the base paper may be broken and the coating can not be performed. is there.
  • an object of the present invention is to provide a toilet paper roll which can be coated with a water-soluble moisturizing component and / or a soft component on the entire surface.
  • a toilet paper roll of the present invention is a toilet paper roll whose ease of loosening shown in JIS-P4501 is 100 seconds or less, and it is a water-soluble moisturizing ingredient and / or all over at least one side of a sheet.
  • the soft component is coated.
  • the water-soluble moisturizing component and / or the soft component is coated at a ratio of 1 to 15% by mass with respect to the sheet.
  • the water-soluble moisturizing component and / or the pliable component are separated at intervals of 2 mm to 10 mm in a direction substantially perpendicular to the winding direction on at least one side of the base paper of the sheet before winding the toilet paper roll.
  • the water-soluble moisturizing component is glycerin, diglycerin, propylene glycol, 1,3-butylene glycol, or polyhydric alcohols of polyethylene glycol; sorbitol, glucose, xylitol, maltose, maltitol polysaccharides; and cetanol, stearyl alcohol Or at least one member (A) selected from the group of water-solubilized derivatives or emulsions of higher alcohols of oleyl alcohol; the soft component is an amino-modified silicone, a polysiloxane-based soft of a hydrophilic polyether-modified silicone Agents; nonionic surfactants of polyethylene glycol fatty acid ether, polyethylene ether, polyhydric alcohol fatty acid ester; quaternary ammonia salt type or amine salt type cationic surfactant; amphoteric surfactant, and anionic type surfactant Group of It is preferable that it is one or more types selected from (B), and the mass ratio
  • the present invention it is possible to obtain a product in which the water-soluble moisturizing component and / or the soft component is coated on the entire surface of the toilet paper roll sheet.
  • the toilet paper roll concerning the embodiment of the present invention is explained.
  • the ease of loosening shown in JIS-P4501 is 100 seconds or less.
  • the ease of loosening exceeds 100 seconds, it becomes difficult to dissolve in water and can not be used as a toilet paper.
  • the ease of loosening is more preferably 50 seconds or less.
  • the toilet paper does not contain a wet paper strengthening agent so that when it comes into contact with moisture, hydrogen bonds between fibers are instantly broken to lose strength and hydrolyze.
  • the base paper of the toilet paper roll it is preferable to use 100% pulp or a mixture of pulp and waste paper.
  • the total basis weight of the base paper (sheet) (the sum of one or more sheets) is preferably 15 to 45 g / m 2 .
  • the base paper excellent in water absorbability is preferable.
  • the water absorption speed of the base paper by the 0.1 ml dropping method is preferably 5 seconds or less, more preferably 1 second or less.
  • 0.1 ml of distilled water at a temperature of 20 ⁇ 1 ° C. is dropped onto the base paper from a height of about 10 mm, and when the water droplet contacts the paper, it is completely absorbed and the reflected light is It means the time until it disappears.
  • the water absorption speed of the base paper is affected by the raw material composition and the surface treatment by embossing and the like, and the water absorbability is reduced if the raw material contains waste paper. Therefore, it is preferable to emboss the base paper before coating because the water absorbability is improved.
  • embossing is performed after coating, since the embossing is performed in a wet state, the coated base paper may stick to the embossing portion, and problems such as clogging of the embossing and breakage of the paper may occur.
  • embossing may be performed after coating. Also, if embossing is performed after coating, there is an advantage that the embossing is firmly applied.
  • Water-soluble moisturizing ingredients include polyhydric alcohols such as glycerin, diglycerin, propylene glycol, 1,3-butylene glycol or polyethylene glycol; polysaccharides such as sorbitol, glucose, xylitol, maltose, maltitol, etc .: cetanol, stearyl alcohol Or at least one member (A) selected from the group consisting of water-solubilized derivatives or emulsions of higher alcohols such as oleyl alcohol.
  • the soft component includes amino-modified silicone, polysiloxane-based softener such as hydrophilic polyether-modified silicone, nonionic surfactant (polyethylene glycol fatty acid ether, polyethylene ether, polyhydric alcohol fatty acid ester, etc.), cationic interface
  • polysiloxane-based softener such as hydrophilic polyether-modified silicone
  • nonionic surfactant polyethylene glycol fatty acid ether, polyethylene ether, polyhydric alcohol fatty acid ester, etc.
  • cationic interface It is preferable to include one or more kinds (B) selected from the group of activators (quaternary ammonia salt type, amine salt type), amphoteric surfactants, and anionic surfactants.
  • the water-soluble moisturizing component and / or the soft component be coated at a ratio of 1 to 15% by mass in total on one side or both sides of the sheet.
  • the proportion of the water-soluble moisturizing component is less than 1% by mass, it may be difficult to impart sufficient texture to the toilet paper.
  • the ratio of the water-soluble moisturizing component and / or the soft component is more than 15% by mass, the base paper may be broken when the water-soluble moisturizing component is applied, and the application may not be possible.
  • the ratio of the water-soluble moisturizing component and / or the soft component exceeds 15% by mass, when coating a plurality of coated areas at intervals as described later, the coated area and the non-coated area Boundaries stand out and wrinkles and twists are likely to occur at the boundaries.
  • FIG. 1 is a perspective view showing a method of roll-coating a water-soluble moisturizing component on the surface of a base paper (sheet) 2.
  • the raw fabric roll 10 of the toilet paper roll is rewound, and the base paper 2 of the sheet is embossed by being continuously passed between the pair of embossing rolls 50, 51.
  • the base paper 2 after embossing is coated with a water-soluble moisturizing component (liquid) by a coating roll device 20 described later, and then wound around the winding roll 12.
  • the base paper taken up by the take-up roll 12 is appropriately cut into a product size width to be a toilet paper roll.
  • the coating roll device 20 is supplied with the coating liquid from the coating liquid reservoir 13, the pickup roll 17 in contact with the coating liquid reservoir of the coating liquid reservoir, and the pickup roll 17.
  • An anilox roll 14 for adjusting the amount of liquid and a plate roll 15 for coating the base paper 2 are provided, and the pickup roll 17, the anilox roll 14, and the plate roll 15 are lined up in this order from the bottom.
  • the printing roll 15 is provided with a plurality of convex portions at equal intervals along the circumferential direction, and adjustment of the lotion coating amount is performed by adjusting the number of lines of the anilox roll 14 and the anilox roll 14 and the pickup roll 17.
  • the water-soluble moisturizing component and / or the flexible component is applied in a streak shape on the surface of the base paper 2 substantially parallel to the flow direction (MD) of the base paper 2 by the printing roll 15.
  • roll coating as a method of coating on the base paper 2 surface like a streak
  • spray coating and printing coating can be used. If the liquid viscosity of the water-soluble moisturizing component and / or the soft component to be applied is 200 cP (mPa ⁇ s) or less at 25 ° C., stable coating can be performed, and more preferably 20 to 100 cP (mPa ⁇ s) is there. If the viscosity is too high, the transfer to the base paper may be poor, and unevenness may easily occur, and the coating speed may also decrease.
  • FIG. 3 shows a state in which the water-soluble moisturizing component and / or the soft component is coated on the surface of the base paper 2.
  • the coating area 4a is formed in a stripe shape along the MD direction at the interval d corresponding to the coating pattern, and the non-coating area 4b is between adjacent coating areas 4a. It has become.
  • the coating area 4a is coated by width w.
  • the coated area 4a is continuous in the MD direction but not continuous in the CD direction.
  • the strength of the base paper 2 is lowered because it contains the water-soluble moisturizing component and / or the soft component, but by having the continuous non-coating area 4b, the base paper 2 becomes difficult to break and stable. Production can be done. Then, after a while after coating (FIG. 3 (b)), the water-soluble moisturizing component and / or the flexible component having high affinity with the paper (cellulose) fiber of the base paper 2 penetrate in the CD direction of the base paper 2 The water-soluble moisturizing component and / or the soft component permeates the entire surface of the base paper 2 after 1 to 3 minutes, and the streaks disappear. In this way, a toilet paper roll having a water-soluble moisturizing component and / or a soft component applied to the entire surface can be manufactured.
  • the coating width w of the coating area 4a is preferably 1 mm to 10 mm.
  • the coating width w is less than 1 mm, uniform coating is difficult, and the coating width tends to vary. If the coating width w exceeds 10 mm, the coated area becomes too wide, the base paper swells significantly in the coated area, wrinkles are easily generated at the boundary with the non-coated area, and the paper is easily broken.
  • the coating interval d is preferably 2 to 10 mm. If it is 2 mm or less, the non-coated area is too narrow, and paper breakage is likely to occur. Moreover, in 10 mm or more, a non-coating area
  • the ratio of non-coated area at the time of coating is preferably 40 to 80% of the total area. If the amount is less than 40%, sheet breakage is likely to occur, and if it exceeds 80%, the diffusion of the components is uneven and unevenness is likely to occur.
  • the coating of the water-soluble moisturizing component and / or the flexible component on the surface of the base paper 2 by the coating roll (plate roll) described above may be performed on a plurality of ply original rolls 10 with a ply machine. preferable.
  • the coating roll (plate roll) described above may be performed on a plurality of ply original rolls 10 with a ply machine. preferable.
  • the coated area 4a and the back surface of the base paper 2 surface It is better to shift the position of the coating area 4a from the above.
  • the water-soluble moisturizing component and / or the soft component may be directly coated on the base paper, or the water-soluble moisturizing component may be diluted with a solvent (such as water) and coated on the base paper.
  • the water-soluble moisturizing component and the soft component were streaked on the surface of the base paper 2 of the toilet paper using the coating roll apparatus 20 shown in FIG.
  • a 160 mesh anilox roll 14 was used, and the plate roll 15 used W: 2 mm to 4 mm wide and d: 2 to 10 mm at regular intervals.
  • the coating amount was controlled by the number of lines of the anilox roll 14 and the clearance between the anilox roll 14 and the pickup roll 17 to obtain the width (1650 mm) of the base paper 2.
  • the base paper 2 is 2PLY, about 18 g / m 2 per sheet, and the overall basis weight is about 36 g / m 2, and the one with a water absorption speed of 1 second or less by the above-mentioned 0.1 ml dropping method is embossed before coating Did.
  • the embossed shape was an oval pattern (steel / rubber single-sided oval 1.5 ⁇ 2 mm, 8 pieces / cm 2 ), and the nip depth was 0.7 mm. Then, the water-soluble moisturizing component and the soft component were coated on one side of the base paper 2 at the operation speed and the coating amount shown in Table 1.
  • the water-soluble moisturizing component and the flexible component were composed of 2 wt% of polyether modified dimethyl silicone and 98 wt% of glycerin, and had a specific gravity of 1.25 g / cm 3 and a viscosity of 70 CP (25 ° C.).
  • Comparative Example 1 only the embossing was performed on the base paper 2, and the one in which the water-soluble moisturizing component was not applied was prepared.
  • the tensile strength in the longitudinal and transverse directions was measured with a test piece width of 25 mm in accordance with JIS-P8113.
  • the hand feel of the toilet paper after coating was evaluated on the basis of the following five to five evaluations by the functions of a plurality of panelists, and the average was obtained. 1 (very hard) 2, (somewhat hard), 3 (normal), 4 (very soft), 5 (very soft)
  • the ease of loosening was measured in accordance with JIS-P4501.
  • the appearance was evaluated according to the following criteria: ⁇ ⁇ : no occurrence of wrinkles, ⁇ : some occurrence of wrinkles, x: uneven coating, large occurrence of wrinkles.
  • the obtained results are shown in Table 1.
  • the coating amount in Table 1 is the mass ratio of the water-soluble moisturizing component and the soft component to the sheet of toilet paper.
  • Comparative Example 2 in which the coating amount of the water-soluble moisturizing component exceeds 15 wt%, the hand feel is good, but the strength is reduced by about 40% compared to Comparative Example 1 and the bulk (paper thickness) is 15%. It decreased to some extent. Further, in the case of Comparative Example 2, since the coated amount is large, the elongation of the toilet paper is different between the coated area 4a and the non-coated area 4b (see FIG. 3A), and wrinkles (crimped pattern) appear. Some coating unevenness was seen in the direction and the appearance was a little inferior.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Sanitary Thin Papers (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un rouleau de papier hygiénique dans lequel la capacité de désintégration selon JIS-P4501 est de 100 secondes ou moins et la totalité de la surface d'au moins une surface de la feuille est revêtue par un ingrédient hydratant soluble dans l'eau et/ou un ingrédient assouplissant.
PCT/JP2011/057747 2011-03-29 2011-03-29 Rouleau de papier hygiénique Ceased WO2012131889A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/057747 WO2012131889A1 (fr) 2011-03-29 2011-03-29 Rouleau de papier hygiénique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/057747 WO2012131889A1 (fr) 2011-03-29 2011-03-29 Rouleau de papier hygiénique

Publications (1)

Publication Number Publication Date
WO2012131889A1 true WO2012131889A1 (fr) 2012-10-04

Family

ID=46929723

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/057747 Ceased WO2012131889A1 (fr) 2011-03-29 2011-03-29 Rouleau de papier hygiénique

Country Status (1)

Country Link
WO (1) WO2012131889A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015074098A (ja) * 2013-10-07 2015-04-20 河野製紙株式会社 エンボス加工装置、ロールワインダ装置、プライマシン装置、及びエンボス加工方法
IT201600071777A1 (it) * 2016-07-08 2018-01-08 Lucart Spa Materiale cartaceo, ed apparecchiatura per la sua produzione
EP3266933A1 (fr) * 2016-07-08 2018-01-10 Lucart Spa Matériau papier, appareil et procédé pour sa production
CN110093813A (zh) * 2018-01-29 2019-08-06 山东太阳生活用纸有限公司 制备保湿纸的系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08309258A (ja) * 1995-04-19 1996-11-26 Marquip Inc 真空補助ウェブ乾燥システム
JPH10249970A (ja) * 1997-03-10 1998-09-22 Uni Charm Corp 接合シートおよびその製造方法
JP2006149952A (ja) * 2004-12-01 2006-06-15 Daio Paper Corp ローション付きトイレットペーパー及びローション付きトイレットペーパー製造方法
JP2006169690A (ja) * 2004-12-17 2006-06-29 Crecia Corp 衛生用紙製品
JP2007533763A (ja) * 2004-04-23 2007-11-22 ザ プロクター アンド ギャンブル カンパニー 移行性薬剤を含む繊維性構造体
JP2009150032A (ja) * 2007-11-26 2009-07-09 Nippon Paper Crecia Co Ltd 衛生薄葉紙
JP2010048057A (ja) * 2008-08-25 2010-03-04 Daiken Corp 化粧板の防水処理方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08309258A (ja) * 1995-04-19 1996-11-26 Marquip Inc 真空補助ウェブ乾燥システム
JPH10249970A (ja) * 1997-03-10 1998-09-22 Uni Charm Corp 接合シートおよびその製造方法
JP2007533763A (ja) * 2004-04-23 2007-11-22 ザ プロクター アンド ギャンブル カンパニー 移行性薬剤を含む繊維性構造体
JP2006149952A (ja) * 2004-12-01 2006-06-15 Daio Paper Corp ローション付きトイレットペーパー及びローション付きトイレットペーパー製造方法
JP2006169690A (ja) * 2004-12-17 2006-06-29 Crecia Corp 衛生用紙製品
JP2009150032A (ja) * 2007-11-26 2009-07-09 Nippon Paper Crecia Co Ltd 衛生薄葉紙
JP2010048057A (ja) * 2008-08-25 2010-03-04 Daiken Corp 化粧板の防水処理方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015074098A (ja) * 2013-10-07 2015-04-20 河野製紙株式会社 エンボス加工装置、ロールワインダ装置、プライマシン装置、及びエンボス加工方法
IT201600071777A1 (it) * 2016-07-08 2018-01-08 Lucart Spa Materiale cartaceo, ed apparecchiatura per la sua produzione
EP3266933A1 (fr) * 2016-07-08 2018-01-10 Lucart Spa Matériau papier, appareil et procédé pour sa production
CN110093813A (zh) * 2018-01-29 2019-08-06 山东太阳生活用纸有限公司 制备保湿纸的系统
CN110093813B (zh) * 2018-01-29 2024-03-08 山东太阳生活用纸有限公司 制备保湿纸的系统

Similar Documents

Publication Publication Date Title
JP5472586B2 (ja) エンボス加工クレープ紙
JP4431995B2 (ja) エンボス加工クレープ紙の製造方法
JP5395101B2 (ja) トイレットペーパーの製造方法
JP3716254B2 (ja) ティッシュペーパー、トイレットペーパーの家庭用薄葉紙繊維ウェブへの薬液塗布方法
KR101757505B1 (ko) 티슈페이퍼 및 티슈페이퍼의 제조방법
JP6034004B2 (ja) トイレットペーパー
JP2011152403A (ja) ティシュペーパー製品及びティシュペーパー製品の製造方法
JP2012030125A (ja) 家庭用衛生薄葉紙の製造方法
JP4833936B2 (ja) 薄葉紙
WO2012131889A1 (fr) Rouleau de papier hygiénique
JP6105877B2 (ja) 衛生薄葉紙
JP2012132117A (ja) 皮膚清拭シート用基布の製造方法
JP4868625B2 (ja) ティシュペーパー及びティシュペーパーの製造方法
JP5683591B2 (ja) トイレットペーパーロール及びその製造方法
JP3968371B2 (ja) ティッシュペーパー、トイレットペーパーの家庭用薄葉紙繊維ウエブへの薬液塗布方法および薬液塗布装置
JP5875802B2 (ja) 衛生用紙の製造方法
JP5812652B2 (ja) ティシュペーパーの製造方法
JP2017176684A (ja) 衛生薄葉紙の製造装置及び衛生薄葉紙の製造方法
JP4658099B2 (ja) 薄葉紙
KR101848551B1 (ko) 재생펄프 상의 이중 도포 공정을 포함하는 화장지류 제조 방법 및 이를 위한 장치 및 조성물
JP6684134B2 (ja) 衛生薄葉紙の製造装置及び衛生薄葉紙の製造方法
JP6193310B2 (ja) 水解性シート
EA010567B1 (ru) Изделие из волокнистого материала, придающее ощущение свежести при контакте с кожей
JP2007195936A (ja) 衛生薄葉紙
WO2016203809A1 (fr) Feuille hydrolysable

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11862385

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11862385

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP