DE69526846D1 - Titanoxyd-photokatalysatorsystem und methode zu dessen herstellung - Google Patents

Titanoxyd-photokatalysatorsystem und methode zu dessen herstellung

Info

Publication number
DE69526846D1
DE69526846D1 DE69526846T DE69526846T DE69526846D1 DE 69526846 D1 DE69526846 D1 DE 69526846D1 DE 69526846 T DE69526846 T DE 69526846T DE 69526846 T DE69526846 T DE 69526846T DE 69526846 D1 DE69526846 D1 DE 69526846D1
Authority
DE
Germany
Prior art keywords
titanoxyd
production
photocatalyst system
photocatalyst
titanoxyd photocatalyst
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.)
Expired - Lifetime
Application number
DE69526846T
Other languages
English (en)
Other versions
DE69526846T2 (de
Inventor
Akira Fujishima
Kazuhito Hashimoto
Tomokazu Iyoda
Shigemichi Fukayama
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 Soda Co Ltd
Original Assignee
Kanagawa Academy of Science and Technology
Nippon Soda 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17445375&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69526846(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kanagawa Academy of Science and Technology, Nippon Soda Co Ltd filed Critical Kanagawa Academy of Science and Technology
Application granted granted Critical
Publication of DE69526846D1 publication Critical patent/DE69526846D1/de
Publication of DE69526846T2 publication Critical patent/DE69526846T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
    • C03C17/3417—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials all coatings being oxide coatings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39—Photocatalytic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0244—Coatings comprising several layers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C03C17/23—Oxides
    • C03C17/25—Oxides by deposition from the liquid phase
    • C03C17/256—Coating containing TiO2
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/212—TiO2
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • C03C2217/71—Photocatalytic coatings
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/11—Deposition methods from solutions or suspensions
    • C03C2218/113—Deposition methods from solutions or suspensions by sol-gel processes
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Catalysts (AREA)
  • Surface Treatment Of Glass (AREA)
DE69526846T 1994-10-31 1995-10-30 Titanoxyd-photokatalysatorsystem und methode zu dessen herstellung Expired - Lifetime DE69526846T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26747694 1994-10-31
PCT/JP1995/002214 WO1996013327A1 (fr) 1994-10-31 1995-10-30 Structure de photocatalyseur a l'oxyde de titane et procede pour sa fabrication

Publications (2)

Publication Number Publication Date
DE69526846D1 true DE69526846D1 (de) 2002-07-04
DE69526846T2 DE69526846T2 (de) 2002-09-05

Family

ID=17445375

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69526846T Expired - Lifetime DE69526846T2 (de) 1994-10-31 1995-10-30 Titanoxyd-photokatalysatorsystem und methode zu dessen herstellung

Country Status (6)

Country Link
EP (2) EP1203617A1 (de)
KR (1) KR100365663B1 (de)
CN (1) CN1097477C (de)
DE (1) DE69526846T2 (de)
HK (1) HK1048082A1 (de)
WO (1) WO1996013327A1 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6387844B1 (en) 1994-10-31 2002-05-14 Akira Fujishima Titanium dioxide photocatalyst
EP0816466B1 (de) * 1995-03-20 2006-05-17 Toto Ltd. Verwendung eines materials mit ultrahydrophiler und photokatalytischer oberfläche
JP3224123B2 (ja) * 1995-09-05 2001-10-29 日本曹達株式会社 計器用カバーガラス
JP3516186B2 (ja) * 1995-09-05 2004-04-05 日本曹達株式会社 窓用ガラス
FR2738813B1 (fr) 1995-09-15 1997-10-17 Saint Gobain Vitrage Substrat a revetement photo-catalytique
US6238738B1 (en) 1996-08-13 2001-05-29 Libbey-Owens-Ford Co. Method for depositing titanium oxide coatings on flat glass
JP4187632B2 (ja) * 1996-08-30 2008-11-26 昭和電工株式会社 二酸化チタン薄膜の形成方法およびその二酸化チタン薄膜を有する触媒等
JP3573392B2 (ja) * 1996-12-09 2004-10-06 東芝ライテック株式会社 光触媒体、光源および照明器具
US6027766A (en) 1997-03-14 2000-02-22 Ppg Industries Ohio, Inc. Photocatalytically-activated self-cleaning article and method of making same
US7096692B2 (en) 1997-03-14 2006-08-29 Ppg Industries Ohio, Inc. Visible-light-responsive photoactive coating, coated article, and method of making same
DE69827027T2 (de) 1997-04-01 2006-03-09 Otsuka Kagaku K.K. Verwendung titandioxids als photokatalysator
KR19990063369A (ko) * 1997-12-26 1999-07-26 가노 다다오 광 촉매체, 램프 및 조명 기구
JP3317668B2 (ja) * 1998-03-25 2002-08-26 セントラル硝子株式会社 光触媒膜形成用インキおよび光触媒膜の形成方法
FR2776944B1 (fr) * 1998-04-03 2000-05-12 Ahlstrom Paper Group Research Composition photocatalytique
JP2000077752A (ja) 1998-08-28 2000-03-14 Sony Corp 光触媒励起装置
GB9913315D0 (en) 1999-06-08 1999-08-11 Pilkington Plc Improved process for coating glass
JP2001080939A (ja) * 1999-09-08 2001-03-27 Nippon Sheet Glass Co Ltd 光触媒ガラスの製造装置及び製造方法
TWI279254B (en) * 1999-10-29 2007-04-21 Sumitomo Chemical Co Titanium oxide, and photocatalyst and photocatalyst coating composition using the same
JP4665221B2 (ja) * 2000-06-01 2011-04-06 日本カーリット株式会社 二酸化チタン光触媒担持体とその製造方法
US6679978B2 (en) 2002-02-22 2004-01-20 Afg Industries, Inc. Method of making self-cleaning substrates
SE0200878D0 (sv) 2002-03-20 2002-03-20 Claes Goeran Granqvist Air cleaning window
TWI276613B (en) * 2002-04-05 2007-03-21 Murakami Corp Composite material
US6902397B2 (en) 2002-08-01 2005-06-07 Sunstar Americas, Inc. Enhanced dental hygiene system with direct UVA photoexcitation
US7521039B2 (en) 2002-11-08 2009-04-21 Millennium Inorganic Chemicals, Inc. Photocatalytic rutile titanium dioxide
EP1640149A4 (de) * 2003-06-20 2009-09-16 Nippon Sheet Glass Co Ltd Glied mit photokatalytischer aktivität und mehrschichtiges glas
US7713632B2 (en) 2004-07-12 2010-05-11 Cardinal Cg Company Low-maintenance coatings
WO2006080968A2 (en) 2004-11-15 2006-08-03 Cardinal Cg Company Methods and equipment for depositing coatings having sequenced structures
US7923114B2 (en) 2004-12-03 2011-04-12 Cardinal Cg Company Hydrophilic coatings, methods for depositing hydrophilic coatings, and improved deposition technology for thin films
US8092660B2 (en) 2004-12-03 2012-01-10 Cardinal Cg Company Methods and equipment for depositing hydrophilic coatings, and deposition technologies for thin films
CN1296303C (zh) * 2005-04-07 2007-01-24 武汉理工大学 溶胶镀膜一步热处理法制备二氧化钛薄膜钢化自洁净玻璃
EP1738825A1 (de) * 2005-06-27 2007-01-03 Kuo, Ming-Cheng Verfahren zur Herstellung von photokatalytisch- beschichteten Fasern mit Schutzfilmen
JP2007075696A (ja) * 2005-09-13 2007-03-29 Mitsubishi Materials Corp 多孔質光触媒膜
US7989094B2 (en) 2006-04-19 2011-08-02 Cardinal Cg Company Opposed functional coatings having comparable single surface reflectances
CN1850691B (zh) * 2006-05-25 2010-10-06 上海交通大学 玻璃基片表面绝缘性二氧化钛纳米薄膜的制备方法
US20080011599A1 (en) 2006-07-12 2008-01-17 Brabender Dennis M Sputtering apparatus including novel target mounting and/or control
CN101484387B (zh) * 2006-07-13 2011-07-20 东海旅客铁道株式会社 涂布液、使用该涂布液形成的氧化钛薄膜及其形成方法
JP4799450B2 (ja) * 2007-03-09 2011-10-26 株式会社東芝 光触媒複合体及び浄水装置
EP2066594B1 (de) 2007-09-14 2016-12-07 Cardinal CG Company Pflegeleichte beschichtungen und verfahren zur herstellung pflegeleichter beschichtungen
EP2587284B1 (de) * 2009-10-19 2017-10-11 LG Innotek Co., Ltd. Optischer Film und Lichteinheit
TWI426954B (zh) * 2011-10-31 2014-02-21 Univ Nat Pingtung Sci & Tech 一種用以抗生物附著之光觸媒薄膜及其用途
KR101968367B1 (ko) 2011-11-16 2019-04-11 크리스탈 유에스에이 인코퍼레이션 중성이고, 안정하고 투명한 광촉매 티타늄 다이옥사이드 졸
JP6294107B2 (ja) * 2014-03-07 2018-03-14 住友電気工業株式会社 多孔性光触媒体の製造方法および多孔性光触媒体
EP2923990B1 (de) * 2014-03-28 2018-01-03 Konecranes Global Corporation Optische Messvorrichtung, Lasthandhabungsvorrichtung, Verfahren zum Schutz einer optischen Messvorrichtung und Verfahren zur Aktualisierung der Lasthandhabungsvorrichtung
JP6552269B2 (ja) * 2014-08-01 2019-07-31 信越石英株式会社 波長変換用石英ガラス部材及びその製造方法
JP6560534B2 (ja) * 2014-08-01 2019-08-14 信越石英株式会社 波長変換用石英ガラス部材及びその製造方法
US20180056758A1 (en) * 2016-08-31 2018-03-01 Ford Global Technologies, Llc Vehicle duct with enhanced lighting or cleaning capabilities and related methods
WO2018093985A1 (en) 2016-11-17 2018-05-24 Cardinal Cg Company Static-dissipative coating technology
US10195602B2 (en) * 2016-12-01 2019-02-05 GM Global Technology Operations LLC Nucleation layers for enhancing photocatalytic activity of titanium dioxide (TiO2) coatings
CN107596926B (zh) * 2017-09-29 2019-08-06 唐山浩昌杰环保科技发展有限公司 一种用于处理废润滑油的高稳定性膜及其制备方法
EE05840B1 (et) * 2018-06-17 2022-03-15 Tallinna Tehnikaülikool Nähtava valgusega aktiveeritava läbipaistva fotokatalüütilise superhüdrofiilse klaasmaterjali valmistamise meetod
CN110508269B (zh) * 2019-08-23 2021-07-06 景德镇陶瓷大学 一种黑色二氧化钛基复合材料的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6183106A (ja) * 1984-10-01 1986-04-26 Giken Kogyo Kk 水と接触する固体表面の汚損防止方法
US5035784A (en) * 1987-07-27 1991-07-30 Wisconsin Alumni Research Foundation Degradation of organic chemicals with titanium ceramic membranes
JPH05154473A (ja) * 1991-12-06 1993-06-22 Nippon Fuoto Sci:Kk 流体の光化学反応処理方法
JP3100464B2 (ja) 1992-06-22 2000-10-16 沖電気工業株式会社 パケット交換機
JPH0639285A (ja) 1992-07-23 1994-02-15 Mitsubishi Heavy Ind Ltd 光触媒
JPH06293519A (ja) * 1992-07-28 1994-10-21 Ishihara Sangyo Kaisha Ltd 酸化チタンの粒子と膜の製造方法
JPH0649677A (ja) 1992-08-04 1994-02-22 Toshiba Corp 光触媒電極およびその製造方法、光触媒電極反応促進方法、光触媒電極洗浄方法
US5595813A (en) * 1992-09-22 1997-01-21 Takenaka Corporation Architectural material using metal oxide exhibiting photocatalytic activity
JPH06278241A (ja) * 1992-09-22 1994-10-04 Takenaka Komuten Co Ltd 建築材料
JP2545727B2 (ja) * 1993-04-19 1996-10-23 工業技術院長 消臭灯及びその製造方法

Also Published As

Publication number Publication date
EP0737513B1 (de) 2002-05-29
HK1048082A1 (zh) 2003-03-21
KR100365663B1 (ko) 2003-02-25
DE69526846T2 (de) 2002-09-05
EP0737513A4 (de) 1997-03-26
CN1139885A (zh) 1997-01-08
CN1097477C (zh) 2003-01-01
WO1996013327A1 (fr) 1996-05-09
EP1203617A1 (de) 2002-05-08
EP0737513A1 (de) 1996-10-16

Similar Documents

Publication Publication Date Title
DE69526846D1 (de) Titanoxyd-photokatalysatorsystem und methode zu dessen herstellung
DE69417550D1 (de) Blutfilter und methode zu dessen herstellung
ATE379971T1 (de) Disinfektionsmittel und verfahren zu dessen herstellung
DE69524928D1 (de) Wasser-absorbent, verfahren zu dessen herstellung und den enthaltender absorbent-gegenstand
DE69532895D1 (de) Biomaterial und verfahren zu dessen herstellung
DE69407295D1 (de) Anorganisches, poröses material und verfahren zu dessen herstellung
DE69730259D1 (de) Schichtstoff und Verfahren zu dessen Herstellung
DE69630488D1 (de) Halbleitersensor und Methode zu dessen Herstellung
DE59607225D1 (de) Scherenförmiges, chirurgisches werkzeug und verfahren zu dessen herstellung
DE69608801D1 (de) Milchaustauschprodukt und Verfahren zu dessen Herstellung
DE69527961D1 (de) Poröse polysulfonmembrane und verfahren zu deren herstellung
DE69316647D1 (de) Filterelement und methode zur dessen herstellung
DE59707078D1 (de) Monoolefinische c 5-mononitrile, verfahren zu ihrer herstellung und ihrer verwendung
ATE251850T1 (de) Schnellkochender und instant-reis und verfahren zu deren herstellung
DE69511979D1 (de) Magnetpulver sowie methode zu dessen herstellung und verwendung
DE69730404D1 (de) Luftreifen und verfahren zu dessen herstellung
DE69524684D1 (de) Photosensor und Verfahren zu dessen Herstellung
DE69511248D1 (de) Polycarbomate, verfahren zur herstellung von polycarbomaten und verfahren zur herstellung von polyisocyanaten
ATE250686T1 (de) Vliesverbund, verfahren zu dessen herstellung und dessen verwendung
DE69503332D1 (de) Gleitstück und verfahren zu dessen herstellung
DE69527220D1 (de) Verbesserte Dachbahn und Verfahren zu dessen Herstellung
DE69516013D1 (de) Kettenrad und verfahren zu dessen herstellung
ATE206118T1 (de) Indolyl-pyrrolylidenmethylpyrrol-derivate und verfahren zu ihrer herstellung
DE69324692D1 (de) Katalysator und methode zur dessen herstellung
DE69813008D1 (de) Luftreifen und verfahren zu dessen herstellung

Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: NIPPON SODA CO. LTD., TOKIO/TOKYO, JP