EP0977908A4 - Conditionnement de surfaces metalliques prealablement a la phosphatation - Google Patents

Conditionnement de surfaces metalliques prealablement a la phosphatation

Info

Publication number: EP0977908A4
Authority: EP; European Patent Office
Prior art keywords: metal surfaces; conversion coating; phosphate conversion; surfaces prior; conditioning metal
Prior art date: 1997-03-07
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.): Granted

Application number

EP98908792A

Other languages

German (de)

English (en)

Other versions

EP0977908A1 (fr

EP0977908B1 (fr

Inventor

Takaomi Nakayama

Yasuhiko Nagashima

Kensuke Shimoda

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.)

Henkel Corp

Original Assignee

Henkel Corp

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.)

1997-03-07

Filing date

1998-03-09

Publication date

2000-06-07

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=12907647&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0977908(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1998-03-09 Application filed by Henkel Corp filed Critical Henkel Corp

2000-02-09 Publication of EP0977908A1 publication Critical patent/EP0977908A1/fr

2000-06-07 Publication of EP0977908A4 publication Critical patent/EP0977908A4/fr

2003-09-03 Application granted granted Critical

2003-09-03 Publication of EP0977908B1 publication Critical patent/EP0977908B1/fr

2018-03-09 Anticipated expiration legal-status Critical

Status Revoked legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals

Landscapes

Chemical & Material Sciences (AREA)
General Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Chemical Treatment Of Metals (AREA)
Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Chemically Coating (AREA)

EP98908792A 1997-03-07 1998-03-09 Conditionnement de surfaces metalliques prealablement a la phosphatation Revoked EP0977908B1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP05218197A JP3451334B2 (ja)	1997-03-07	1997-03-07	金属のりん酸塩皮膜化成処理前の表面調整用前処理液及び表面調整方法
JP5218197		1997-03-07
PCT/US1998/003934 WO1998039498A1 (fr)	1997-03-07	1998-03-09	Conditionnement de surfaces metalliques prealablement a la phosphatation

Publications (3)

Publication Number	Publication Date
EP0977908A1 EP0977908A1 (fr)	2000-02-09
EP0977908A4 true EP0977908A4 (fr)	2000-06-07
EP0977908B1 EP0977908B1 (fr)	2003-09-03

Family

ID=12907647

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98908792A Revoked EP0977908B1 (fr)	1997-03-07	1998-03-09	Conditionnement de surfaces metalliques prealablement a la phosphatation

Country Status (13)

Country	Link
EP (1)	EP0977908B1 (fr)
JP (1)	JP3451334B2 (fr)
KR (1)	KR100473603B1 (fr)
CN (1)	CN1198958C (fr)
AU (1)	AU6673698A (fr)
CA (1)	CA2283387C (fr)
DE (1)	DE69817803T2 (fr)
ES (1)	ES2205456T3 (fr)
ID (1)	ID20532A (fr)
MY (1)	MY124633A (fr)
TW (1)	TW371675B (fr)
WO (1)	WO1998039498A1 (fr)
ZA (1)	ZA981796B (fr)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3451337B2 (ja) *	1998-07-21	2003-09-29	日本パーカライジング株式会社	金属のりん酸塩被膜化成処理前の表面調整用処理液及び表面調整方法
JP2000260819A (ja) *	1999-03-10	2000-09-22	Toshiba Corp	半導体装置の製造方法
US6723178B1 (en)	1999-08-16	2004-04-20	Henkel Corporation	Process for forming a phosphate conversion coating on metal
JP3545974B2 (ja) *	1999-08-16	2004-07-21	日本パーカライジング株式会社	金属材料のりん酸塩化成処理方法
JP2001295063A (ja) *	2000-04-10	2001-10-26	Nippon Parkerizing Co Ltd	非鉄金属材料およびめっき鋼板へのりん酸塩被膜の形成方法
JP2002206176A (ja) *	2001-01-09	2002-07-26	Nippon Parkerizing Co Ltd	リン酸塩処理用水性表面調整剤及び表面調整方法
AU2002301945B2 (en) *	2001-11-21	2008-07-17	Chiyoda Chemical Co., Ltd	Surface treatment method of metal member, and metal goods
BE1014525A3 (fr) †	2001-12-04	2003-12-02	Ct Rech Metallurgiques Asbl	Procede de revetement de surface metallique.
DE60311708D1 (de) *	2002-06-13	2007-03-29	Nippon Paint Co Ltd	Zinkphosphatkonditioniermittel für Phosphatkonversionsbeschichtung von Stahlplatte und entsprechendes Produkt
CA2546271C (fr)	2003-12-04	2014-03-18	Sumitomo Metal Industries, Ltd.	Conditionnement de surface avant traitement de conversion chimique d'un element en acier
EP1566465B1 (fr)	2004-02-20	2015-11-04	Chemetall GmbH	Solution concentrée pour la production d'un conditionneur de surface
CA2497752C (fr)	2004-02-20	2013-02-05	Nippon Paint Co., Ltd.	Agent et methode de modification de surfaces
JP5456223B2 (ja) *	2004-02-20	2014-03-26	日本ペイント株式会社	表面調整剤調製用の濃厚液、表面調整剤及び表面調整方法
JP2005264326A (ja) *	2004-02-20	2005-09-29	Nippon Paint Co Ltd	表面調整剤及び表面調整方法
EP1959031A4 (fr)	2005-07-29	2009-01-07	Nippon Paint Co Ltd	Produits de traitement de surface et procédé de traitement de surface
CN101243207B (zh)	2005-08-19	2010-11-24	日本油漆株式会社	用于表面调整的组合物以及表面调整方法
JPWO2007020985A1 (ja)	2005-08-19	2009-03-26	日本ペイント株式会社	表面調整用組成物、その製造方法及び表面調整方法
WO2007021025A1 (fr)	2005-08-19	2007-02-22	Nippon Paint Co., Ltd.	Composition de conditionnement de surface, procédé de fabrication idoine, et procédé de conditionnement de surface
WO2007097139A1 (fr) *	2006-02-20	2007-08-30	Sumitomo Metal Industries, Ltd.	Procede de production d'une feuille d'acier galvanise par immersion a chaud ayant un revetement en phosphate de zinc
US20100031851A1 (en)	2006-04-07	2010-02-11	Toshio Inbe	Surface conditioning composition, method for producing the same, and surface conditioning method
WO2007117043A1 (fr)	2006-04-07	2007-10-18	Nippon Paint Co., Ltd.	Composition de conditionnement de surface, procédé de préparation de cette composition et procédé de conditionnement de surface
CN101376970B (zh) *	2007-08-28	2011-05-11	宝山钢铁股份有限公司	一种用于锰系磷化处理前的表面调整液、制备方法及应用
US8518555B2 (en) *	2008-02-18	2013-08-27	Nippon Steel & Sumitomo Metal Corporation	Plated steel sheet for cans
DE102008017523A1 (de) *	2008-03-20	2009-09-24	Henkel Ag & Co. Kgaa	Optimierte Elektrotauchlackierung von zusammengefügten und teilweise vorphosphatierten Bauteilen
JP5462467B2 (ja)	2008-10-31	2014-04-02	日本パーカライジング株式会社	金属材料用化成処理液および処理方法
JP5526664B2 (ja) *	2009-09-03	2014-06-18	マツダ株式会社	金属部材の表面処理方法
US8506728B2 (en) *	2009-09-03	2013-08-13	Mazda Motor Corporation	Surface treatment method of metal material
JP5637530B2 (ja) *	2010-10-26	2014-12-10	Ｊｆｅスチール株式会社	高延性で、化成処理性に優れる７８０ＭＰａ以上の引張強度を有する超高強度冷延鋼板
DE102011087314A1 (de)	2011-11-29	2013-05-29	Henkel Ag & Co. Kgaa	Verfahren zur Regeneration wässriger Dispersionen sowie Zellpaket für die Elektrodialyse
DE102014105226A1 (de)	2014-04-11	2015-10-15	Thyssenkrupp Ag	Verfahren zur Aktivierung von zu phosphatierenden Metalloberflächen, vorzugsweise verzinktem Stahlblech
JP2018514653A (ja) *	2015-05-07	2018-06-07	フォスファンエルティーディー	超微細リン酸塩化成結晶質コーティングを適用する方法
EP3371346A4 (fr) *	2015-11-05	2018-11-21	Phosfan Ltd.	Revêtements composites au phosphate
CN111926316B (zh)	2015-12-25	2022-03-01	日本帕卡濑精株式会社	表面调整剂、带被膜的镁材料或镁合金材料及其制造方法
US20170306498A1 (en) *	2016-04-25	2017-10-26	Ppg Industries Ohio, Inc.	Activating rinse and method for treating a substrate
CN107460468B (zh) *	2016-06-06	2019-04-09	李力	一种铁基防锈复合氧化膜
EP3392375B1 (fr)	2017-04-21	2019-11-06	Henkel AG & Co. KGaA	Procédé de formation d'une couche de phosphatate de zinc sans formation de boue pour des composants métalliques en série
EP3392376A1 (fr)	2017-04-21	2018-10-24	Henkel AG & Co. KGaA	Procédé formant des couches de phosphatate de zinc sur des composants métalliques en série
EP3802915B1 (fr)	2018-06-11	2024-11-20	Henkel AG & Co. KGaA	Dispersion aqueuse d'activation d'une surface métallique et son procédé de phosphatation
JP7385212B2 (ja) *	2018-11-20	2023-11-22	東京製鐵株式会社	熱延鋼板
EP3828306A1 (fr)	2019-11-26	2021-06-02	Henkel AG & Co. KGaA	Procédé économe en ressources permettant d'activer une surface métallique avant une phosphatation
EP3828307A1 (fr)	2019-11-26	2021-06-02	Henkel AG & Co. KGaA	Procédé économe en ressources permettant d'activer une surface métallique avant une phosphatation
EP3954805A1 (fr)	2020-08-11	2022-02-16	Henkel AG & Co. KGaA	Procédé efficace dans l'utilisation des ressources destiné à la phosphatation au zinc d'une surface métallique
EP3964606A1 (fr)	2020-09-04	2022-03-09	Henkel AG & Co. KGaA	Procédé en une étape de phosphation du zinc
EP4174211A1 (fr)	2021-11-02	2023-05-03	Henkel AG & Co. KGaA	Traitement en plusieurs étages permettant d'activer le phosphatation au zinc des composants métalliques pourvus de surfaces en zinc
CN117535653A (zh) *	2022-08-01	2024-02-09	宝山钢铁股份有限公司	一种用于高强钢可磷化性能改善的环保水基处理剂
CZ309976B6 (cs) *	2022-10-31	2024-03-27	České vysoké učení technické v Praze	Způsob předúpravy povrchu ocelových komponent

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1531888A (fr) *	1966-11-30	1968-07-05	Parker Ste Continentale	Procédé de prétraitement du fer et de l'acier à l'aide de solutions de phosphate de manganèse
DE1546070A1 (de) *	1963-09-30	1969-06-26	Yawata Iron & Steel Co	Verfahren zur Vorbehandlung von Stahlblechen oder plattierten Stahlblechen zum Zwecke des Phosphatierens
FR2172073A1 (fr) *	1972-02-15	1973-09-28	Parker Ste Continentale
JPS50153736A (fr) *	1974-06-03	1975-12-11
FR2286889A1 (fr) *	1974-10-04	1976-04-30	Parker Ste Continentale	Procede de conversion au phosphate de fer ou d'acier
FR2375340A1 (fr) *	1976-12-23	1978-07-21	Produits Ind Cie Fse	Procede et moyens de pretraitement activant pour la phosphatation du fer et de l'acier
FR2461020A1 (fr) *	1979-07-06	1981-01-30	Produits Ind Cie Fse	Perfectionnements apportes aux procedes de phosphatation au manganese des surfaces en fer et en acier
WO1995008007A1 (fr) *	1993-09-17	1995-03-23	Brent International Plc	Rincage preliminaire destine au depot de phosphate sur des surfaces metalliques

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US2322349A (en)	1941-10-25	1943-06-22	Westinghouse Electric & Mfg Co	Corrosion resistant coating for metal surfaces
IT429345A (fr)	1941-10-25	1900-01-01
US2456947A (en) *	1944-12-21	1948-12-21	Westinghouse Electric Corp	Corrosion resistant coating for metal surfaces
US2874081A (en)	1956-08-02	1959-02-17	Parker Rust Proof Co	Pretreatment solution for phosphate coating, method of preparing the same and process of treating metal surfaces
US3728163A (en) *	1970-05-25	1973-04-17	Balm Paints Ltd	Alkaline liquids for cleaning metals
US3847663A (en) *	1970-07-24	1974-11-12	Lubrizol Corp	Cleaning of metals with compositions containing alkali metal silicate and chloride
JPS56156778A (en) *	1980-05-02	1981-12-03	Nippon Steel Corp	Manufacture of continuously annealed steel strip with superior suitability to phosphating and superior corrosion resistance after coating
JPS5723066A (en) *	1980-07-17	1982-02-06	Nippon Steel Corp	Preparation of box annealed steel plate with excellent phosphate treating property and corrosion resistance after painting
DE3307158A1 (de) *	1983-03-01	1984-09-06	Hilti Ag, Schaan	Verfahren zur aktivierung der phosphatschichtausbildung auf metallen und mittel zur durchfuehrung solcher verfahren
US4497667A (en) *	1983-07-11	1985-02-05	Amchem Products, Inc.	Pretreatment compositions for metals
JPS6039170A (ja) *	1983-08-10	1985-02-28	Toyota Motor Corp	リン酸塩皮膜化成処理前の鋼板表面調整方法及び表面調整用水溶液
JPH0674507B2 (ja)	1986-09-19	1994-09-21	日本パ−カライジング株式会社	リン酸塩被膜化成処理用表面調整液の管理方法
FR2612947A1 (fr) *	1987-03-27	1988-09-30	Siderurgie Fse Inst Rech	Procede de tra itement chimique de surface d'un produit alumineux en vue de sa phosphatation
DE4012795A1 (de) *	1990-04-21	1991-10-24	Metallgesellschaft Ag	Aktivierungsmittel fuer die phosphatierung

1997
- 1997-03-07 JP JP05218197A patent/JP3451334B2/ja not_active Expired - Lifetime
1998
- 1998-02-18 MY MYPI98000677A patent/MY124633A/en unknown
- 1998-03-03 ZA ZA981796A patent/ZA981796B/xx unknown
- 1998-03-04 TW TW087103138A patent/TW371675B/zh not_active IP Right Cessation
- 1998-03-06 ID IDP980332A patent/ID20532A/id unknown
- 1998-03-06 KR KR10-1998-0007469A patent/KR100473603B1/ko not_active Expired - Fee Related
- 1998-03-09 WO PCT/US1998/003934 patent/WO1998039498A1/fr not_active Ceased
- 1998-03-09 ES ES98908792T patent/ES2205456T3/es not_active Expired - Lifetime
- 1998-03-09 DE DE69817803T patent/DE69817803T2/de not_active Revoked
- 1998-03-09 CN CNB981054668A patent/CN1198958C/zh not_active Expired - Lifetime
- 1998-03-09 EP EP98908792A patent/EP0977908B1/fr not_active Revoked
- 1998-03-09 AU AU66736/98A patent/AU6673698A/en not_active Abandoned
- 1998-03-09 CA CA002283387A patent/CA2283387C/fr not_active Expired - Fee Related

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1546070A1 (de) *	1963-09-30	1969-06-26	Yawata Iron & Steel Co	Verfahren zur Vorbehandlung von Stahlblechen oder plattierten Stahlblechen zum Zwecke des Phosphatierens
FR1531888A (fr) *	1966-11-30	1968-07-05	Parker Ste Continentale	Procédé de prétraitement du fer et de l'acier à l'aide de solutions de phosphate de manganèse
FR2172073A1 (fr) *	1972-02-15	1973-09-28	Parker Ste Continentale
JPS50153736A (fr) *	1974-06-03	1975-12-11
FR2286889A1 (fr) *	1974-10-04	1976-04-30	Parker Ste Continentale	Procede de conversion au phosphate de fer ou d'acier
FR2375340A1 (fr) *	1976-12-23	1978-07-21	Produits Ind Cie Fse	Procede et moyens de pretraitement activant pour la phosphatation du fer et de l'acier
FR2461020A1 (fr) *	1979-07-06	1981-01-30	Produits Ind Cie Fse	Perfectionnements apportes aux procedes de phosphatation au manganese des surfaces en fer et en acier
WO1995008007A1 (fr) *	1993-09-17	1995-03-23	Brent International Plc	Rincage preliminaire destine au depot de phosphate sur des surfaces metalliques

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 84, no. 22, 31 May 1976, Columbus, Ohio, US; abstract no. 154092c, MIZNO H.: "phosphate treatment of steel sheet and galvanized steel" page 239; XP002135087 *
CHEMICAL ABSTRACTS, vol. 96, no. 24, 14 June 1982, Columbus, Ohio, US; abstract no. 203812w, SORKIN G. N.: "Possibility of activating a metal surface in a suspension of sludge from zinc phosphate baths" page 265; XP002135088 *
IZV. SIB. OTD. AKAD. NAUK SSSR, vol. 6, no. 6, - 1981, pages 147 - 150 *
See also references of WO9839498A1 *

Also Published As

Publication number	Publication date
ID20532A (id)	1999-01-07
MY124633A (en)	2006-06-30
ES2205456T3 (es)	2004-05-01
CA2283387C (fr)	2007-07-03
CA2283387A1 (fr)	1998-09-11
DE69817803D1 (de)	2003-10-09
JPH10245685A (ja)	1998-09-14
ZA981796B (en)	1998-09-07
AU6673698A (en)	1998-09-22
WO1998039498A1 (fr)	1998-09-11
DE69817803T2 (de)	2004-07-01
CN1197849A (zh)	1998-11-04
KR100473603B1 (ko)	2005-08-29
EP0977908A1 (fr)	2000-02-09
JP3451334B2 (ja)	2003-09-29
CN1198958C (zh)	2005-04-27
EP0977908B1 (fr)	2003-09-03
TW371675B (en)	1999-10-11
KR19980079984A (ko)	1998-11-25

Publication	Publication Date	Title
EP0977908A4 (fr)	2000-06-07	Conditionnement de surfaces metalliques prealablement a la phosphatation
GB2315496B (en)	2000-08-02	Metal coated substrates
GB9718944D0 (en)	1997-11-12	Improvements relating to powder spray coating
EP1115566A4 (fr)	2005-06-22	Traitement de surfaces metalliques avant phosphatation
GB2294214B (en)	1998-07-15	Metallic coating
EP0866887A4 (fr)	2001-04-11	Composition pour revetement de conversion en phosphate rapide et/ou a cristaux fins et procede d'utilisation
IL119377A0 (en)	1997-01-10	Polymer-coated metal surfaces
PL328453A1 (en)	1999-02-01	Anti-corrosion coating
EP0966554A4 (fr)	2000-04-05	Composition aqueuse de phosphatation et procede pour surfaces metalliques
ZA969970B (en)	1997-06-17	Lubricant and surface conditioner suitable for conversion coated metal surfaces
EP0963460A4 (fr)	2000-03-01	Compositions de phosphatation du fer a poids de couche eleve
GB2289691B (en)	1999-09-29	Coated metal
AU1701899A (en)	1999-06-15	Phosphate lubricant compositions and metal forming use
SG65726A1 (en)	1999-06-22	Coating compositions
AU7141798A (en)	1998-11-27	Spring to metal rail connection
GB9723156D0 (en)	1998-01-07	Sectioned surfaces coating to enhance micro-compliance
GB9707166D0 (en)	1997-05-28	Aqueous coating composition
AU5087798A (en)	1998-05-29	Phosphate conversion coating composition and process
IL121679A0 (en)	1998-02-22	Coating of metal surfaces
PL319191A1 (en)	1998-07-06	Self-crosslinking coating composition
GB9703823D0 (en)	1997-04-16	Metal spraying
GB9806153D0 (en)	1998-05-20	Improvements in or relating to applying paint to metallic surfaces
AU9780898A (en)	1999-04-27	Conversion coating zinciferous surfaces to resist blackening and white rust
AUPP107997A0 (en)	1998-01-22	Coating metal strip
GB9321991D0 (en)	1993-12-15	Anti-corrosion coating

Legal Events

Date	Code	Title	Description
1999-12-23	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2000-02-09	17P	Request for examination filed	Effective date: 19991006
2000-02-09	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): DE ES FR GB IT
2000-06-07	A4	Supplementary search report drawn up and despatched	Effective date: 20000426
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2002-07-31	17Q	First examination report despatched	Effective date: 20020613
2003-02-21	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2003-02-26	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2003-07-09	GRAS	Grant fee paid	Free format text: ORIGINAL CODE: EPIDOSNIGR3
2003-07-18	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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