CN101288192A - 制备在两侧涂覆催化剂的膜的方法 - Google Patents
制备在两侧涂覆催化剂的膜的方法 Download PDFInfo
- Publication number
- CN101288192A CN101288192A CNA2006800383464A CN200680038346A CN101288192A CN 101288192 A CN101288192 A CN 101288192A CN A2006800383464 A CNA2006800383464 A CN A2006800383464A CN 200680038346 A CN200680038346 A CN 200680038346A CN 101288192 A CN101288192 A CN 101288192A
- Authority
- CN
- China
- Prior art keywords
- layer
- catalyst
- ionomer
- semi
- gas diffusion
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8803—Supports for the deposition of the catalytic active composition
- H01M4/8814—Temporary supports, e.g. decal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8825—Methods for deposition of the catalytic active composition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8875—Methods for shaping the electrode into free-standing bodies, like sheets, films or grids, e.g. moulding, hot-pressing, casting without support, extrusion without support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/10—Catalysts being present on the surface of the membrane or in the pores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fuel Cell (AREA)
- Inert Electrodes (AREA)
- Catalysts (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005038612A DE102005038612A1 (de) | 2005-08-16 | 2005-08-16 | Verfahren zur Herstellung von beidseitig katalysatorbeschichteten Membranen |
| DE102005038612.1 | 2005-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101288192A true CN101288192A (zh) | 2008-10-15 |
Family
ID=36972975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800383464A Pending CN101288192A (zh) | 2005-08-16 | 2006-08-15 | 制备在两侧涂覆催化剂的膜的方法 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20100291462A1 (enExample) |
| EP (1) | EP1917693A1 (enExample) |
| JP (1) | JP2009505364A (enExample) |
| KR (1) | KR20080034982A (enExample) |
| CN (1) | CN101288192A (enExample) |
| CA (1) | CA2618192A1 (enExample) |
| DE (1) | DE102005038612A1 (enExample) |
| NO (1) | NO20080530L (enExample) |
| WO (1) | WO2007020258A1 (enExample) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106256039A (zh) * | 2014-03-24 | 2016-12-21 | 庄信万丰燃料电池有限公司 | 方法 |
| CN107275648A (zh) * | 2016-04-06 | 2017-10-20 | 格林纳瑞缇有限公司 | 用于制备催化剂涂覆的膜的方法和装置 |
| CN109923242A (zh) * | 2016-11-04 | 2019-06-21 | 株式会社日本多宁 | 固体高分子膜电极 |
| CN110114512A (zh) * | 2016-12-22 | 2019-08-09 | 庄信万丰燃料电池有限公司 | 具有层合结构的催化剂涂覆的膜 |
| CN111224111A (zh) * | 2018-11-23 | 2020-06-02 | 中国科学院大连化学物理研究所 | 一种燃料电池膜电极批量生产装置及方法 |
| CN112913060A (zh) * | 2018-06-12 | 2021-06-04 | 海德罗莱特有限公司 | 包括薄膜的碱性膜燃料电池组件及其制造方法 |
| CN114597460A (zh) * | 2022-01-17 | 2022-06-07 | 北京化工大学 | 一种减小界面阻抗的一体化膜电极的制备 |
| CN115777155A (zh) * | 2020-09-17 | 2023-03-10 | 奥迪股份公司 | 制造经催化剂涂覆的膜的方法 |
| CN116325242A (zh) * | 2020-10-13 | 2023-06-23 | 格林纳瑞缇有限公司 | 催化剂涂覆膜和水电解电池 |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7785435B2 (en) | 2006-02-27 | 2010-08-31 | Gm Global Technology Operations, Inc. | Method of laminating a decal to a carrier film |
| JP5515241B2 (ja) * | 2008-06-26 | 2014-06-11 | 大日本印刷株式会社 | 燃料電池用電極、燃料電池用電極の製造方法、電極−電解質膜積層体、燃料電池セル及び燃料電池 |
| DE102009031305A1 (de) | 2009-06-30 | 2011-01-05 | Uhde Gmbh | Katalysatorbeschichteter Träger, Verfahren zu dessen Herstellung, ein damit ausgestatteter Reaktor und dessen Verwendung |
| US9537166B2 (en) | 2010-06-08 | 2017-01-03 | Rensselaer Polytechnic Institute | Method for the production of an electrochemical cell |
| JP5389768B2 (ja) * | 2010-11-02 | 2014-01-15 | 株式会社日立製作所 | 高分子電解質膜並びにこれを用いた膜電極接合体及び固体高分子形燃料電池 |
| DE102010063254A1 (de) * | 2010-12-16 | 2012-06-21 | FuMA-Tech Gesellschaft für funktionelle Membranen und Anlagentechnologie mbH | Membran-Elektroden-Anordnung mit zwei Deckschichten |
| DE102011105072B3 (de) * | 2011-06-21 | 2012-11-15 | Daimler Ag | Haltevorrichtung mit einer Membran einer Membran-Elektroden-Einheit für eine Brennstoffzelle und Verfahren zu deren Herstellung |
| DE102011105071B4 (de) * | 2011-06-21 | 2014-08-07 | Daimler Ag | Verfahren zur Herstellung einer Haltevorrichtung mit einer Membran einer Membran-Elektroden-Einheit für eine Brennstoffzelle |
| US8709199B2 (en) * | 2011-09-13 | 2014-04-29 | GM Global Technology Operations LLC | Method of preparing a water vapor transfer membrane |
| PT2735047T (pt) | 2011-09-15 | 2018-06-14 | Siemens Ag | Processo para a produção a seco de uma unidade de elétrodos de membrana, elétrodos de membrana assim como disposição de laminação |
| US9490497B2 (en) | 2012-04-27 | 2016-11-08 | Panasonic Intellectual Property Management Co., Ltd. | Solid polymer electrolyte type fuel cell, and electrolyte membrane-electrode-frame assembly |
| DE102012017142B4 (de) * | 2012-08-30 | 2018-06-21 | Mann + Hummel Gmbh | Befeuchtungseinrichtung, insbesondere für eine Brennstoffzelle |
| WO2014087958A1 (ja) * | 2012-12-03 | 2014-06-12 | Jsr株式会社 | 膜-電極接合体の製造方法、膜-電極接合体、膜-電極接合体形成用積層体、固体高分子型燃料電池および水電解装置 |
| DE102012224284A1 (de) * | 2012-12-21 | 2014-06-26 | Heraeus Precious Metals Gmbh & Co. Kg | Dünne Metallmembran mit Träger |
| DE102014205035A1 (de) * | 2014-03-18 | 2015-09-24 | Volkswagen Ag | Verfahren zum Herstellen einer Membran-Elektroden-Einheit, Membran-Elektroden-Einheit, Brennstoffzelle und Kraftfahrzeug mit Brennstoffzelle |
| US10186720B2 (en) | 2014-03-24 | 2019-01-22 | Johnson Matthey Fuel Cells Limited | Membrane-seal assembly |
| GB201408953D0 (en) * | 2014-05-20 | 2014-07-02 | Johnson Matthey Fuel Cells Ltd | Membrane electrode assembly |
| US9705146B2 (en) * | 2014-12-29 | 2017-07-11 | National Cheng Kung University | Method of fabricating proton-conducting electrolytic membrane |
| JP6515830B2 (ja) * | 2016-01-28 | 2019-05-22 | トヨタ自動車株式会社 | 膜電極接合体の製造方法 |
| ES2968670T3 (es) * | 2016-08-25 | 2024-05-13 | Proton Energy Sys Inc | Conjunto de electrodos de membrana y método de fabricación del mismo |
| KR102359584B1 (ko) | 2017-06-19 | 2022-02-07 | 현대자동차주식회사 | 연료전지용 전극막 접합체 및 이의 제조방법 |
| KR102673000B1 (ko) * | 2018-07-30 | 2024-06-05 | 현대자동차주식회사 | 연료전지용 평판형 막전극 접합체의 제조방법 및 이를 이용하여 제조된 연료전지용 평판형 막전극 접합체 |
| DE102018220418A1 (de) | 2018-11-28 | 2020-05-28 | Robert Bosch Gmbh | Verfahren zur Herstellung einer Membran-Elektroden-Anordnung |
| CN111063924B (zh) * | 2019-12-27 | 2022-10-14 | 先进储能材料国家工程研究中心有限责任公司 | 膜电极用过渡层浆料及其制备方法、膜电极及其制备方法 |
| DE102020102709A1 (de) | 2020-02-04 | 2021-08-05 | Audi Aktiengesellschaft | Verfahren zur Herstellung einer Membranelektrodenanordnung, Membranelektrodenanordnung sowie Brennstoffzelle |
| DE102021209025A1 (de) * | 2021-08-17 | 2023-02-23 | Volkswagen Aktiengesellschaft | Schneidvorrichtung und Verfahren zur Herstellung von Elektrodenblättern aus einer Elektrodenfolie |
| DE102022202195A1 (de) | 2022-03-03 | 2023-09-07 | Robert Bosch Gesellschaft mit beschränkter Haftung | Elektrochemische Zelleneinheit |
| JP2024084234A (ja) * | 2022-12-13 | 2024-06-25 | トヨタ自動車株式会社 | 燃料電池用の触媒インクの製造方法 |
| JP7752598B2 (ja) * | 2022-12-27 | 2025-10-10 | 三菱重工業株式会社 | 膜電極接合体、及び膜電極接合体の製造方法 |
| DE102023205168A1 (de) * | 2023-06-02 | 2024-12-05 | Siemens Energy Global GmbH & Co. KG | Verfahren zur Herstellung einer katalysatorbeschichteten Membran für eine elektrochemische Zelle und entsprechend hergestellte Elektrolysezelle |
| DE102024205623A1 (de) | 2024-06-18 | 2025-12-18 | Siemens Energy Global GmbH & Co. KG | Verfahren zur Herstellung einer Elektrode auf einem Trägermaterial für eine elektrochemische Zelle sowie Beschichtungseinrichtung zur Durchführung des Verfahrens |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19910773A1 (de) * | 1999-03-11 | 2000-09-28 | Degussa | Verfahren zum Aufbringen von Elektrodenschichten auf eine bandförmige Polymerelektrolytmembran für Brennstoffzellen |
| US6641862B1 (en) * | 1999-09-24 | 2003-11-04 | Ion Power, Inc. | Preparation of fuel cell electrode assemblies |
| JP2003323898A (ja) * | 2002-04-22 | 2003-11-14 | E I Du Pont De Nemours & Co | 処理されたガス拡散支持体及び燃料電池におけるその使用 |
| US6933003B2 (en) * | 2002-06-13 | 2005-08-23 | General Motors Corporation | Method of making membrane electrode assemblies |
| DE10315796B4 (de) * | 2003-04-07 | 2009-06-04 | Umicore Ag & Co. Kg | Schichtenaufbau für eine elektrochemische Zelle, Verfahren zu seiner Herstellung und Verwendung desselben |
| US7226689B2 (en) * | 2003-06-20 | 2007-06-05 | Ballard Power Systems Inc. | Method of making a membrane electrode assembly for electrochemical fuel cells |
| EP1492184A1 (de) * | 2003-06-27 | 2004-12-29 | Umicore AG & Co. KG | Verfahren zur Herstellung einer katalysatorbeschichteten Polymerelektrolyt-Membran |
| KR101146519B1 (ko) * | 2003-07-14 | 2012-07-05 | 우미코레 아게 운트 코 카게 | 물의 전기 분해를 위한 멤브레인-전극 유니트 |
| US20050072514A1 (en) * | 2003-10-06 | 2005-04-07 | Yan Susan G. | Method of making membrane electrode assemblies |
-
2005
- 2005-08-16 DE DE102005038612A patent/DE102005038612A1/de not_active Withdrawn
-
2006
- 2006-08-15 EP EP06778239A patent/EP1917693A1/de not_active Withdrawn
- 2006-08-15 WO PCT/EP2006/065310 patent/WO2007020258A1/de not_active Ceased
- 2006-08-15 JP JP2008526491A patent/JP2009505364A/ja not_active Withdrawn
- 2006-08-15 KR KR1020087005514A patent/KR20080034982A/ko not_active Withdrawn
- 2006-08-15 US US12/063,202 patent/US20100291462A1/en not_active Abandoned
- 2006-08-15 CA CA002618192A patent/CA2618192A1/en not_active Abandoned
- 2006-08-15 CN CNA2006800383464A patent/CN101288192A/zh active Pending
-
2008
- 2008-01-29 NO NO20080530A patent/NO20080530L/no not_active Application Discontinuation
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106256039A (zh) * | 2014-03-24 | 2016-12-21 | 庄信万丰燃料电池有限公司 | 方法 |
| CN106256039B (zh) * | 2014-03-24 | 2019-06-04 | 庄信万丰燃料电池有限公司 | 制造增强的膜密封组件的方法 |
| CN107275648A (zh) * | 2016-04-06 | 2017-10-20 | 格林纳瑞缇有限公司 | 用于制备催化剂涂覆的膜的方法和装置 |
| CN107275648B (zh) * | 2016-04-06 | 2022-02-18 | 格林纳瑞缇有限公司 | 用于制备催化剂涂覆的膜的方法和装置 |
| CN109923242A (zh) * | 2016-11-04 | 2019-06-21 | 株式会社日本多宁 | 固体高分子膜电极 |
| CN109923242B (zh) * | 2016-11-04 | 2021-10-29 | 株式会社日本多宁 | 固体高分子膜电极 |
| CN113529121A (zh) * | 2016-12-22 | 2021-10-22 | 庄信万丰燃料电池有限公司 | 具有层合结构的催化剂涂覆的膜 |
| CN110114512B (zh) * | 2016-12-22 | 2021-08-10 | 庄信万丰燃料电池有限公司 | 具有层合结构的催化剂涂覆的膜 |
| CN110114512A (zh) * | 2016-12-22 | 2019-08-09 | 庄信万丰燃料电池有限公司 | 具有层合结构的催化剂涂覆的膜 |
| CN112913060A (zh) * | 2018-06-12 | 2021-06-04 | 海德罗莱特有限公司 | 包括薄膜的碱性膜燃料电池组件及其制造方法 |
| CN111224111B (zh) * | 2018-11-23 | 2021-04-02 | 中国科学院大连化学物理研究所 | 一种燃料电池膜电极批量生产装置及方法 |
| CN111224111A (zh) * | 2018-11-23 | 2020-06-02 | 中国科学院大连化学物理研究所 | 一种燃料电池膜电极批量生产装置及方法 |
| CN115777155A (zh) * | 2020-09-17 | 2023-03-10 | 奥迪股份公司 | 制造经催化剂涂覆的膜的方法 |
| CN116325242A (zh) * | 2020-10-13 | 2023-06-23 | 格林纳瑞缇有限公司 | 催化剂涂覆膜和水电解电池 |
| CN114597460A (zh) * | 2022-01-17 | 2022-06-07 | 北京化工大学 | 一种减小界面阻抗的一体化膜电极的制备 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1917693A1 (de) | 2008-05-07 |
| US20100291462A1 (en) | 2010-11-18 |
| JP2009505364A (ja) | 2009-02-05 |
| WO2007020258A1 (de) | 2007-02-22 |
| NO20080530L (no) | 2008-03-10 |
| KR20080034982A (ko) | 2008-04-22 |
| CA2618192A1 (en) | 2007-02-22 |
| DE102005038612A1 (de) | 2007-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101288192A (zh) | 制备在两侧涂覆催化剂的膜的方法 | |
| JP4327732B2 (ja) | 固体高分子型燃料電池、およびその製造方法 | |
| US8614027B2 (en) | Membrane-electrode assembly with integrated sealing material | |
| JP5113977B2 (ja) | 触媒でコーティングされた膜、および燃料電池用の膜電極アセンブリを製造するためのプロセス | |
| JP5183925B2 (ja) | 触媒でコーティングされたポリマー電解質膜を製造するためのプロセス | |
| US20110097651A1 (en) | Membrane Electrode Assembly (MEA) Fabrication Procedure on Polymer Electrolyte Membrane Fuel Cell | |
| KR102018323B1 (ko) | 강화복합막 및 그 제조방법 | |
| US9780399B2 (en) | Electrode assembly with integrated reinforcement layer | |
| KR101233343B1 (ko) | 연료 전지용 막-전극 어셈블리, 이의 제조 방법 및 이를포함하는 연료 전지 시스템 | |
| JP4607708B2 (ja) | 燃料電池用電極,燃料電池,燃料電池の製造方法 | |
| KR101312971B1 (ko) | 불소계 이오노모를 이용하여 표면 개질한 탄화수소계 고분자 전해질 분리막, 막 전극 접합체 및 연료전지 | |
| JP5058429B2 (ja) | 複合薄膜 | |
| KR20090132214A (ko) | 연료전지용 막전극 접합체, 그 제조방법 및 이를 포함하는연료전지 | |
| JP5326458B2 (ja) | 膜電極接合体とその製造方法、および固体高分子形燃料電池 | |
| JP7152318B2 (ja) | 膜及び方法 | |
| JP2008041371A (ja) | 燃料電池用膜電極接合体の製造方法 | |
| KR101189675B1 (ko) | 집적된 시일링 물질을 갖는 촉매-코팅된 멤브레인 및그로부터 생산된 멤브레인-전극 어셈블리 | |
| JP2007250468A (ja) | 電解質膜 | |
| JP5405783B2 (ja) | 燃料電池用触媒層、燃料電池用触媒層転写シート、燃料電池用ガス拡散電極、燃料電池用膜電極接合体、および燃料電池 | |
| KR20090039423A (ko) | 연료전지용 막-전극 어셈블리 및 이를 포함하는 연료전지시스템 | |
| KR100792137B1 (ko) | 연료전지용으로 보호 필름 층을 갖는 촉매 코팅된 막의제조방법 | |
| JP2008053167A (ja) | 燃料電池の製造方法 | |
| KR20080045420A (ko) | 연료 전지용 막-전극 어셈블리의 제조 방법 | |
| JP2007294183A (ja) | 燃料電池の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081015 |