[go: up one dir, main page]

WO2001042520A1 - Procede de digestion du titane contenant de la matiere et produits obtenus par ce procede - Google Patents

Procede de digestion du titane contenant de la matiere et produits obtenus par ce procede Download PDF

Info

Publication number
WO2001042520A1
WO2001042520A1 PCT/ZA2000/000246 ZA0000246W WO0142520A1 WO 2001042520 A1 WO2001042520 A1 WO 2001042520A1 ZA 0000246 W ZA0000246 W ZA 0000246W WO 0142520 A1 WO0142520 A1 WO 0142520A1
Authority
WO
WIPO (PCT)
Prior art keywords
titanium containing
containing material
sulphate
titanium
water
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/ZA2000/000246
Other languages
English (en)
Other versions
WO2001042520A8 (fr
Inventor
Gerard Pretorius
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.)
PACMIN INVESTMENTS Ltd
Original Assignee
PACMIN INVESTMENTS 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 PACMIN INVESTMENTS Ltd filed Critical PACMIN INVESTMENTS Ltd
Priority to AU29792/01A priority Critical patent/AU2979201A/en
Publication of WO2001042520A1 publication Critical patent/WO2001042520A1/fr
Publication of WO2001042520A8 publication Critical patent/WO2001042520A8/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/06—Sulfating roasting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1204—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 preliminary treatment of ores or scrap to eliminate non- titanium constituents, e.g. iron, without attacking the titanium constituent
    • C22B34/1213—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 preliminary treatment of ores or scrap to eliminate non- titanium constituents, e.g. iron, without attacking the titanium constituent by wet processes, e.g. using leaching methods or flotation techniques
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1236—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching
    • C22B34/124—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors
    • C22B34/125—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors containing a sulfur ion as active agent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Definitions

  • This invention relates to a method of digesting titanium containing material
  • the invention also relates to a method
  • process is a batch process and the first step is to digest the Ti0 2 bearing
  • titaniferous material reacts with the excess H 2 S0 4 to form H 2 TiO(S0 4 ) 2 also
  • acid titanium sulphate which is a water soluble compound.
  • H 2 TiO(S0 4 ) 2 can also be represented as TiOS0 4 .H 2 S0 4 .
  • the H 2 TiO(S0 4 ) 2 is extracted with water from the reaction product (in the
  • the H 2 S0 4 used to digest part of the titaniferous material may be concentrated
  • H 2 S0 4 has a high vapour pressure and a boiling point of 290°C and
  • H 2 S0 4 decomposes into S0 3 and H 2 0 at 340°C and 1 atmosphere
  • furnace temperature above 340°C (and typically at 600°C), that is where
  • titanium containing material to separate titanium values from at least some
  • the titanium containing sulphate which forms may be H 2 TiO(S0 4 ) 2 also
  • acid titanium sulphate which is water soluble.
  • TiOS0 4 which is also known as basic titanium sulphate.
  • the titanium containing material may comprise titaniferous material, which
  • titaniferous ore such as ilmenite, rutile, anatase, leucoxene and
  • titaniferous magnetite Alternatively the titaniferous material may comprise
  • titaniferous slag which may include pseudo brookite and/or perovskite.
  • the titanium containing material may be sized prior to the digestion step.
  • the particle size will depend on the nature of the titanium containing material to
  • the particle size will be smaller than 75 ⁇ m, preferably smaller
  • the titanium containing material may be sized by milling.
  • the milling may be sized by milling. The milling may be sized by milling.
  • wet milling may take place in the
  • sulphuric acid preferably concentrated sulphuric acid
  • the H 2 S0 4 may be concentrated or diluted. Preferably it is provided in a
  • the H 2 S0 4 is preferably provided in a stoichiometric excess, where 100%
  • stoichiometric equivalent is calculated by determining the molar amount of
  • H S0 4 Ti values may be calculated as 2:1, that is to form H 2 TiO(S0 4 ) 2 .
  • Ti values is calculated as 1:1, that is to form TiOS0 4 .
  • titaniferous material for example, titaniferous material
  • the reaction may be carried out in a furnace.
  • temperature of the H 2 S0 4 is preferably above 240°C, preferably from 270°C
  • titanium containing material are sulphated.
  • the reaction product of the digestion stage may be subjected to heat treatment
  • the dead burn stage to ensure that substantially all unreacted sulphate is lost from the product and preferably that only TiOS0 4
  • the product temperature during the dead burn stage is usually higher than
  • S0 3 (S0 3 can also further dissociation into S0 2 and 0 2 ) which can then be
  • the temperature during this stage is
  • the temperature will be chosen to be above the
  • the digestion stage and dead burn stage are preferably carried out as two
  • the product Prior to the digestion stage the product may go through a warming stage wherein it is warmed to the temperature required for the digestion stage.
  • the warming occurs as fast as possible.
  • the cooling may be natural, but it may also be forced to speed up this
  • titanium containing material and H 2 S0 4 are reacted with each
  • titanium containing material and H 2 S0 4 goes through all four the above stages.
  • first furnace such as tunnel kiln may be used for the warming and digestion
  • stages and a second furnace such as a rotary kiln may be used for the other
  • the reaction product of the digestion stage may also be milled prior to
  • the digestion process is preferably carried out at about atmospheric pressure, preferably in a range of 5% above or below atmospheric pressure, preferably
  • the reaction conditions are preferably such to prevent S0 3 from decomposing.
  • the process may also include adding an additional source of sulphate or S0 3
  • the additional source is not H 2 S0 4 .
  • the additional source may comprise a source
  • the additional source may comprise ammonium sulphate
  • ammonium bisulphate (NH 4 HS0 4 ).
  • it comprises
  • ammonium sulphate converts to ammonium bisulphate
  • the additional source comprises ammonium sulphate, an amount thereof
  • ammonium bisulphate decomposes to produce off gases including NH 3 , S0 3 (or S0 2 and 0 2 ) and H 2 0. These gases may be recycled.
  • the process may also include the step of removing sulphate, especially H 2 S0 4
  • the sulphate, especially H 2 S0 4 may be removed by
  • the treatment should preferably also remove the sulphate and
  • the digestion method may also include the step of separating the titanium
  • the reaction product may
  • the titanium containing sulphate may be in the form water soluble of
  • H 2 TiO(S0 4 ) 2 which may soluble in water. Alternatively it may be in the form
  • the leachate may
  • containing sulphate is contained in the leachate.
  • Standard processes may be used for this purpose and may include pH control,
  • the invention also relates to a titanium containing sulphate formed by the
  • the titanium containing sulphate may be contained in the leachate or in the
  • the invention also relates to a product formed from the process.
  • Example 1
  • One current process for treating ilmenite involves smelting iron ore in high
  • Such slags can be used in either the
  • the present invention allows ilmenite or similar materials i.e. titaniferous
  • feedstocks can be combined with fluxes like Si0 2 , CaO, dolomite (CaO: MgO)
  • Witbank was used. This slag has similarities to ilmenite slags that were
  • phases of this slag are as
  • the slag in an amount of 100kg was dry milled to a particle size of smaller than
  • H 2 S0 4 provided a 41,7% excess H 2 S0 4 calculated on the basis of a TiO, : S0 4 2"
  • This period is known as the digestion stage during which
  • the S0 3 , S0 2 and 0 2 which form during the digestion and dead burn stages may be recycled.
  • the said gasses may be fed through a ceramic lined tube from
  • crushed cake was then leached with 3751 water at 60°C, thereby leaching the
  • leachate leachate are also indicated in Table 2.
  • the insolubles are safe to be dumped.
  • the leachate was then treated to reduce Fe 3+ to Fe 2+ . This was done by adding
  • the hydrolysed product, TiO(OH) 2 is also known as crude anatase pulp
  • CAP had a high purity and also has the advantage that it is in activated form.
  • 6mm alumina beads was used for this purpose at 500rpm for 1 hour.
  • the H 2 S0 4 provided a 59.6% excess H 2 S0 4 calculated on the basis of a Ti0 2
  • Insolubles and solubles may be separated by leaching the reaction product with
  • Insoluble TiOS0 4 is a lucrative feedstock to produce synthetic rutile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

La présente invention concerne un procédé de digestion du titane contenant de la matière comportant des étapes de mise à disposition du titane contenant de la matière et de réaction du titane contenant de la matière avec de l'acide sulfurique (H2SO4) à une température de fourneau supérieure à 340 °C afin de former du titane contenant du sulfate. Le produit de réaction dudit procédé peut être soumis à une lixiviation avec de l'eau an vue de séparer le titane précieux d'au moins une autre matière quelconque.
PCT/ZA2000/000246 1999-12-13 2000-12-12 Procede de digestion du titane contenant de la matiere et produits obtenus par ce procede Ceased WO2001042520A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU29792/01A AU2979201A (en) 1999-12-13 2000-12-12 Method of digesting titanium containing material and products thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA997628 1999-12-13
ZA99/7628 1999-12-13

Publications (2)

Publication Number Publication Date
WO2001042520A1 true WO2001042520A1 (fr) 2001-06-14
WO2001042520A8 WO2001042520A8 (fr) 2001-10-11

Family

ID=25588034

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/ZA2000/000245 Ceased WO2001042518A1 (fr) 1999-12-13 2000-12-12 Procede de digestion de metal contenant de la matiere a temperature elevee en presence d'une source d'oxyde de soufre tel le h2so¿4?
PCT/ZA2000/000246 Ceased WO2001042520A1 (fr) 1999-12-13 2000-12-12 Procede de digestion du titane contenant de la matiere et produits obtenus par ce procede

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/ZA2000/000245 Ceased WO2001042518A1 (fr) 1999-12-13 2000-12-12 Procede de digestion de metal contenant de la matiere a temperature elevee en presence d'une source d'oxyde de soufre tel le h2so¿4?

Country Status (2)

Country Link
AU (2) AU2979201A (fr)
WO (2) WO2001042518A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016007020A1 (fr) 2014-07-08 2016-01-14 Avertana Limited Extraction de produits à partir de minéraux contenant du titane
CN111422905A (zh) * 2020-04-02 2020-07-17 绵竹市金坤化工有限公司 一种硫酸锆的制备方法
US12172905B2 (en) 2018-12-14 2024-12-24 Avertana Limited Methods of extraction of products from titanium-bearing materials

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070027105A1 (en) 2005-07-26 2007-02-01 Alza Corporation Peroxide removal from drug delivery vehicle
KR20220140711A (ko) 2020-01-13 2022-10-18 듀렉트 코퍼레이션 불순물이 감소된 지속 방출 약물 전달 시스템 및 관련 방법
KR20230145053A (ko) 2021-01-12 2023-10-17 듀렉트 코퍼레이션 지속 방출 약물 전달 시스템 및 관련 방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA942437A (en) * 1970-05-15 1974-02-19 David Weston Flotation of copper ores
FR2463189A1 (fr) * 1979-08-13 1981-02-20 Metallurgie Hoboken Procede de recuperation de metaux non ferreux contenus dans un residu riche en goethite
EP0100865B1 (fr) * 1982-07-17 1986-10-08 Bayer Ag Procédé pour la production d'une solution hydrolysable de titanylsulfate
EP0257373A2 (fr) * 1986-08-14 1988-03-02 Bayer Ag Procédé de préparation de pigments de dioxyde de titane
EP0659688A1 (fr) * 1993-12-23 1995-06-28 Bayer Ag Procédé de préparation de dioxyde de titane selon le procédé sulfate
US5618331A (en) * 1995-12-04 1997-04-08 Kemicraft Overseas Limited Vapor phase fluidized bed sulfation of titaniferous materials

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120694A (en) * 1977-09-06 1978-10-17 The United States Of America As Represented By The Secretary Of The Interior Process for purifying a titanium-bearing material and upgrading ilmenite to synthetic rutile with sulfur trioxide
GB8419226D0 (en) * 1984-07-27 1984-08-30 Cookson Group Plc Extraction process
DE4421818C1 (de) * 1994-06-22 1996-02-29 Bayer Ag Verfahren zur Herstellung von Titandioxid nach dem Sulfatverfahren

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA942437A (en) * 1970-05-15 1974-02-19 David Weston Flotation of copper ores
FR2463189A1 (fr) * 1979-08-13 1981-02-20 Metallurgie Hoboken Procede de recuperation de metaux non ferreux contenus dans un residu riche en goethite
EP0100865B1 (fr) * 1982-07-17 1986-10-08 Bayer Ag Procédé pour la production d'une solution hydrolysable de titanylsulfate
EP0257373A2 (fr) * 1986-08-14 1988-03-02 Bayer Ag Procédé de préparation de pigments de dioxyde de titane
EP0659688A1 (fr) * 1993-12-23 1995-06-28 Bayer Ag Procédé de préparation de dioxyde de titane selon le procédé sulfate
US5618331A (en) * 1995-12-04 1997-04-08 Kemicraft Overseas Limited Vapor phase fluidized bed sulfation of titaniferous materials

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 197409, Derwent World Patents Index; Class M25, AN 1974-15624V, XP002166707 *
SAHOO P K ET AL: "SULPHATION-ROASTING OF LOW-GRADE MANGANESE ORES - OPTIMISATION BY FACTORIAL DESIGN", INTERNATIONAL JOURNAL OF MINERAL PROCESSING,NL,ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, vol. 25, no. 1/02, 1989, pages 147 - 152, XP000005998 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016007020A1 (fr) 2014-07-08 2016-01-14 Avertana Limited Extraction de produits à partir de minéraux contenant du titane
WO2016007021A1 (fr) 2014-07-08 2016-01-14 Avertana Limited Extraction de produits présents dans des minéraux contenant du titane
JP2017530084A (ja) * 2014-07-08 2017-10-12 アヴァータナ・リミテッド チタン含有鉱物からの生成物の抽出
EP3167085A4 (fr) * 2014-07-08 2018-01-03 Avertana Limited Extraction de produits présents dans des minéraux contenant du titane
EP3167086A4 (fr) * 2014-07-08 2018-01-10 Avertana Limited Extraction de produits à partir de minéraux contenant du titane
US10287176B2 (en) 2014-07-08 2019-05-14 Avertana Limited Extraction of products from titanium-bearing minerals
US10294117B2 (en) 2014-07-08 2019-05-21 Avertana Limited Extraction of products from titanium-bearing minerals
US10407316B2 (en) 2014-07-08 2019-09-10 Avertana Limited Extraction of products from titanium-bearing minerals
US12172905B2 (en) 2018-12-14 2024-12-24 Avertana Limited Methods of extraction of products from titanium-bearing materials
CN111422905A (zh) * 2020-04-02 2020-07-17 绵竹市金坤化工有限公司 一种硫酸锆的制备方法

Also Published As

Publication number Publication date
AU2979101A (en) 2001-06-18
AU2979201A (en) 2001-06-18
WO2001042518A1 (fr) 2001-06-14
WO2001042520A8 (fr) 2001-10-11

Similar Documents

Publication Publication Date Title
AU2016204038B2 (en) Process for the recovery of titanium dioxide and value metals by reducing the concentration of hydrochloric acid in leach solution and system for same
AU2010201722B2 (en) A method of producing titanium
US7462337B2 (en) Recovery of titanium dioxide from titanium oxide bearing materials like steelmaking slags
US6699446B2 (en) Methods for separation of titanium from ore
US2804375A (en) Cyclic process for the beneficiation of titania ores and slags
US20150176103A1 (en) Production of titanium dioxide pigments
AU2001262583A1 (en) Recovery of titanium dioxide from titanium oxide bearing materials like steelmaking slags
US20210354992A1 (en) Production of fine grain magnesium oxide and fibrous amorphous silica from serpentinite mine tailings
CA1191698A (fr) Traitement des matieres alumineuses
CN111989413B (zh) 处理钛磁铁矿矿石材料的方法
US7625536B2 (en) Titaniferous ore beneficiation
US5997828A (en) Process for production of alumina from ore bodies containing aluminum
US10724119B2 (en) Process for the separation of vanadium
WO2001042520A1 (fr) Procede de digestion du titane contenant de la matiere et produits obtenus par ce procede
WO1994012675A1 (fr) Enrichissement de minerais titaniferes
JP4880909B2 (ja) ニッケル化合物またはコバルト化合物から硫黄などを除去する精製方法、フェロニッケルの製造方法
US20230312364A1 (en) Processing of titaniferous ores and minerals
RU2090509C1 (ru) Способ комплексной переработки лейкоксенового концентрата
WO2015094008A1 (fr) Procédé de traitement de matériaux de minerai de titanomagnétite
CN114807591B (zh) 一种钛铁矿深度除杂制备高品质富钛料的方法
JPS58151328A (ja) バナジウム含有スラグ及び類似物からのバナジウム採取方法
CN1136534A (zh) 除杂氧化法生产金红石型二氧化钛
AU693605B2 (en) Process for treating a material containing inorganic matter
CN119213149A (zh) 含锰矿石的选矿

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
AK Designated states

Kind code of ref document: C1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: C1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

CFP Corrected version of a pamphlet front page

Free format text: REVISED TITLE RECEIVED BY THE INTERNATIONAL BUREAU AFTER COMPLETION OF THE TECHNICAL PREPARATIONS FOR INTERNATIONAL PUBLICATION

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 69(1) EPC (EPO FORM 1205A DATED 18.11.2002).

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP