BR9306466A - Processo para a produção de alfa alumina - Google Patents
Processo para a produção de alfa aluminaInfo
- Publication number
- BR9306466A BR9306466A BR9306466A BR9306466A BR9306466A BR 9306466 A BR9306466 A BR 9306466A BR 9306466 A BR9306466 A BR 9306466A BR 9306466 A BR9306466 A BR 9306466A BR 9306466 A BR9306466 A BR 9306466A
- Authority
- BR
- Brazil
- Prior art keywords
- production
- alpha alumina
- alumina
- alpha
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
- C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
- C01F7/442—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination in presence of a calcination additive
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/20—Aluminium oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/40—Particle morphology extending in three dimensions prism-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/42—(bi)pyramid-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
- C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16838592 | 1992-06-02 | ||
| JP31405292 | 1992-10-28 | ||
| PCT/JP1993/000737 WO1993024680A1 (en) | 1992-06-02 | 1993-06-01 | PROCESS FOR PRODUCING α-ALUMINA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9306466A true BR9306466A (pt) | 1998-06-30 |
Family
ID=26492108
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9306463A BR9306463A (pt) | 1992-06-02 | 1993-06-01 | Alfa alumina |
| BR9306465A BR9306465A (pt) | 1992-06-02 | 1993-06-01 | Alfa alumina |
| BR9306466A BR9306466A (pt) | 1992-06-02 | 1993-06-01 | Processo para a produção de alfa alumina |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9306463A BR9306463A (pt) | 1992-06-02 | 1993-06-01 | Alfa alumina |
| BR9306465A BR9306465A (pt) | 1992-06-02 | 1993-06-01 | Alfa alumina |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US6165437A (pt) |
| EP (3) | EP0644278B1 (pt) |
| KR (3) | KR950701987A (pt) |
| CN (3) | CN1034010C (pt) |
| AU (3) | AU677583B2 (pt) |
| BR (3) | BR9306463A (pt) |
| CA (3) | CA2137247A1 (pt) |
| CZ (3) | CZ283394B6 (pt) |
| DE (3) | DE69324582T2 (pt) |
| HU (3) | HU216730B (pt) |
| PL (1) | PL175036B1 (pt) |
| RU (3) | RU2107661C1 (pt) |
| SK (3) | SK281471B6 (pt) |
| WO (3) | WO1993024681A1 (pt) |
Families Citing this family (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69324582T2 (de) * | 1992-06-02 | 1999-09-09 | Sumitomo Chemical Co. | Alpha-aluminiumoxid |
| IL109236A (en) * | 1993-04-13 | 1998-01-04 | Sumitomo Chemical Co | A-alumina powder and its production |
| RU2138461C1 (ru) * | 1993-07-27 | 1999-09-27 | Сумитомо Кемикал Компани, Лимитед | Алюмооксидная композиция (варианты) и способ получения алюмооксидной керамики |
| US5549746A (en) * | 1993-09-24 | 1996-08-27 | General Electric Company | Solid state thermal conversion of polycrystalline alumina to sapphire using a seed crystal |
| EP0679611B1 (en) * | 1994-04-28 | 1999-07-28 | Sumitomo Chemical Company Limited | Method for producing alpha-alumina powder |
| FR2722492B1 (fr) * | 1994-07-12 | 1997-03-14 | Sumitomo Chemical Co | Poudre de nitrure d'aluminium et corps fritte et composition de resine la contenant |
| AU699077B2 (en) * | 1995-02-21 | 1998-11-19 | Sumitomo Chemical Company, Limited | Alpha-alumina and method for producing the same |
| AU699266B2 (en) * | 1995-02-28 | 1998-11-26 | Sumitomo Chemical Company, Limited | Metal matrix composite and process for producing the same |
| JPH09157060A (ja) * | 1995-12-06 | 1997-06-17 | Sumitomo Chem Co Ltd | 無機焼結多孔体およびフィルタ |
| CN1169555A (zh) * | 1996-07-02 | 1998-01-07 | 刘莎 | 不同自然语言语义受限统一编码的计算机输入法 |
| US6203773B1 (en) * | 1999-07-12 | 2001-03-20 | Alcoa Inc. | Low temperature mineralization of alumina |
| TW504497B (en) | 2000-05-23 | 2002-10-01 | Sumitomo Chemical Co | Alpha-alumina powder and heat-conductive sheet containing the same |
| JP2002057130A (ja) * | 2000-08-14 | 2002-02-22 | Three M Innovative Properties Co | Ｃｍｐ用研磨パッド |
| US6776699B2 (en) * | 2000-08-14 | 2004-08-17 | 3M Innovative Properties Company | Abrasive pad for CMP |
| JP4122746B2 (ja) | 2001-05-21 | 2008-07-23 | 住友化学株式会社 | 微粒αアルミナ粉末の製造方法 |
| TWI291936B (pt) * | 2001-05-31 | 2008-01-01 | Tdk Corp | |
| US20030140657A1 (en) * | 2001-10-30 | 2003-07-31 | Monika Oswald | Method of producing glass of optical quality |
| US20050182172A1 (en) * | 2001-12-27 | 2005-08-18 | Katsuhiko Kamimura | Particulate alumina, method for producing particulate alumina and composition containing particulate alumina |
| US20040092380A1 (en) * | 2002-07-01 | 2004-05-13 | Coorstek, Inc. | Aluminum oxide ceramic components and methods |
| JP2004123445A (ja) * | 2002-10-02 | 2004-04-22 | Sumitomo Chem Co Ltd | αアルミナ粉末およびその製造方法 |
| US20060104895A1 (en) * | 2004-11-18 | 2006-05-18 | Saint-Gobain Ceramics & Plastics, Inc. | Transitional alumina particulate materials having controlled morphology and processing for forming same |
| KR100812105B1 (ko) * | 2006-08-28 | 2008-03-12 | 한국과학기술연구원 | 파괴저항성이 높은 평판형 고체산화물 연료전지 스택용복합 밀봉재 및 그 제조방법 |
| CN100390330C (zh) * | 2006-09-21 | 2008-05-28 | 中国铝业股份有限公司 | 低温制备片状α－Al2O3单晶颗粒的方法 |
| TWI454427B (zh) * | 2006-11-01 | 2014-10-01 | Dow Global Technologies Llc | α-氧化鋁之成形多孔體及其製備方法 |
| US20080106010A1 (en) * | 2006-11-07 | 2008-05-08 | Gratson Gregory M | Transparent Ceramic Material and Method of Manufacturing the Same |
| EP2148837A1 (en) * | 2007-04-24 | 2010-02-03 | Nanocerox, Inc. | Sintered polycrystalline yttrium aluminum garnet and use thereof in optical devices |
| JP5109789B2 (ja) * | 2007-05-14 | 2012-12-26 | 住友化学株式会社 | 多孔質フィルムの製造方法 |
| JP2008311221A (ja) * | 2007-05-14 | 2008-12-25 | Sumitomo Chemical Co Ltd | 積層多孔質フィルム |
| US10137556B2 (en) | 2009-06-22 | 2018-11-27 | 3M Innovative Properties Company | Shaped abrasive particles with low roundness factor |
| JP2010150090A (ja) * | 2008-12-25 | 2010-07-08 | Sumitomo Chemical Co Ltd | αアルミナ粉末 |
| FR2956111B1 (fr) * | 2010-02-11 | 2012-04-20 | Baikowski | Alumine alpha, utilisation, procede de synthese et dispositif associes |
| JP5636312B2 (ja) * | 2010-03-09 | 2014-12-03 | 住友化学株式会社 | サファイア単結晶製造用αアルミナおよびその製造方法 |
| CN102267710B (zh) * | 2010-06-03 | 2014-05-28 | 中国石油化工股份有限公司 | 一种含硼拟薄水铝石及由其制备的氧化铝 |
| CN101942698B (zh) * | 2010-09-28 | 2012-07-04 | 四川鑫通新材料有限责任公司 | α-三氧化二铝单晶体的制备方法 |
| EP2686458A4 (en) | 2011-03-18 | 2015-04-15 | Orbite Aluminae Inc | METHODS FOR RECOVERING RARE EARTH ELEMENTS FROM ALUMINUM-CONTAINING MATERIALS |
| EP3141621A1 (en) | 2011-05-04 | 2017-03-15 | Orbite Aluminae Inc. | Processes for recovering rare earth elements from various ores |
| RU2013157943A (ru) | 2011-06-03 | 2015-07-20 | Орбит Элюминэ Инк. | Способ получения гематита |
| DE102011111224A1 (de) | 2011-08-20 | 2013-02-21 | Evonik Degussa Gmbh | Verfahren zur Herstellung von alpha-Aluminiumoxid |
| CA2848751C (en) | 2011-09-16 | 2020-04-21 | Orbite Aluminae Inc. | Processes for preparing alumina and various other products |
| BR112014016732A8 (pt) | 2012-01-10 | 2017-07-04 | Orbite Aluminae Inc | processos para tratar lama vermelha |
| WO2013142957A1 (en) | 2012-03-29 | 2013-10-03 | Orbite Aluminae Inc. | Processes for treating fly ashes |
| US10191017B2 (en) * | 2012-07-06 | 2019-01-29 | Jtekt Corporation | Dynamic characteristic calculation apparatus and its method for machine tool |
| MY175471A (en) | 2012-07-12 | 2020-06-29 | Orbite Tech Inc | Processes for preparing titanium oxide and various other products |
| JP6067016B2 (ja) | 2012-07-27 | 2017-01-25 | 住友化学株式会社 | アルミナスラリーおよびその製造方法並びに塗工液 |
| JP2015535886A (ja) | 2012-09-26 | 2015-12-17 | オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． | 種々の材料のＨＣｌ浸出によるアルミナおよび塩化マグネシウムを調製するためのプロセス |
| WO2014051091A1 (ja) * | 2012-09-28 | 2014-04-03 | Dic株式会社 | α－アルミナ微粒子及びその製造方法 |
| CN105189357A (zh) | 2012-11-14 | 2015-12-23 | 奥佰特氧化铝有限公司 | 纯化铝离子的方法 |
| CA2895229C (en) | 2012-12-17 | 2021-10-26 | Polar Sapphire Ltd. | Process for making high-purity aluminum oxide from a high purity aluminum starting material |
| DE102013112129A1 (de) * | 2013-11-05 | 2015-05-07 | Aesculap Ag | Dauerfilter für einen Sterilisationsbehälter, Sterilisationsbehälter und Verfahren zum Herstellen eines Dauerfilters |
| CN103643290B (zh) * | 2013-12-02 | 2016-03-30 | 昆明理工大学 | 一种蓝宝石晶体用高纯氧化铝的提纯方法 |
| CN104628023B (zh) * | 2015-02-13 | 2016-05-25 | 山东长基化工新材料有限公司 | 超低钠高温α相氧化铝的制备方法 |
| JP6635340B2 (ja) * | 2016-08-24 | 2020-01-22 | 住友電工ハードメタル株式会社 | 表面被覆切削工具およびその製造方法 |
| JP6866877B2 (ja) * | 2018-05-31 | 2021-04-28 | 信越化学工業株式会社 | 低熱抵抗シリコーン組成物 |
| EP3833721A4 (en) | 2018-08-10 | 2022-08-24 | Saint-Gobain Ceramics & Plastics, Inc. | COMPOSITION COMPRISING A PLURALITY OF ABRASIVE PARTICLES AND METHOD OF USE |
| CN112978772B (zh) * | 2019-12-02 | 2023-01-10 | 中国石油化工股份有限公司 | 一种多晶γ-氧化铝八面体颗粒及其制备方法 |
| US20230134132A1 (en) * | 2020-03-31 | 2023-05-04 | Denka Company Limited | Alumina powder, resin composition, and heat dissipation component |
| WO2021260140A1 (en) | 2020-06-26 | 2021-12-30 | Basf Se | Production of porous alpha-alumina supports from boehmitic derived aluminas |
| WO2021260185A1 (en) | 2020-06-26 | 2021-12-30 | Basf Se | Tableted alpha-alumina catalyst support |
| KR102612361B1 (ko) * | 2020-10-07 | 2023-12-08 | 주식회사 티세라 | α-알루미나 입자를 포함하는 연마재 및 그 제조 방법 |
| CN113233488B (zh) * | 2021-05-08 | 2023-03-21 | 中铝山东有限公司 | 一种原晶粒度分布窄的α-氧化铝的制备方法 |
| KR102517803B1 (ko) * | 2022-02-03 | 2023-04-05 | 주식회사 씨아이에스케미칼 | 고순도 알루미나, 이의 제조방법 및 이를 포함하는 이차전지 분리막 코팅용 슬러리 |
| KR102555516B1 (ko) * | 2022-10-05 | 2023-07-13 | 대가파우더시스템 주식회사 | 다공성 세라믹 필터 제조방법 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3175883A (en) * | 1961-06-05 | 1965-03-30 | Aluminium Lab Ltd | Process for reducing the soda content of alumina |
| US3262754A (en) * | 1964-12-07 | 1966-07-26 | Aluminium Lab Ltd | Method of making low soda alumina of small crystal size |
| JPS5215498A (en) * | 1975-07-28 | 1977-02-05 | Showa Denko Kk | Process for production of granular corrundum |
| CH654819A5 (de) * | 1980-09-23 | 1986-03-14 | Alusuisse | Verfahren zur herstellung von grobkristallinem alpha-aluminiumoxid und dessen verwendung. |
| EP0105025B1 (de) * | 1982-08-24 | 1987-04-29 | Schweizerische Aluminium Ag | Verfahren zur Herstellung von kristalliner Tonerde |
| JPS60131825A (ja) * | 1983-12-21 | 1985-07-13 | Sumitomo Alum Smelt Co Ltd | 低ソ−ダアルミナの製造方法 |
| US4847064A (en) * | 1987-12-23 | 1989-07-11 | Aluminum Company Of America | Economical process for alpha alumina production |
| EP0277730B1 (en) * | 1987-01-29 | 1992-05-06 | Sumitomo Chemical Company, Limited | Process for the preparation of alumina |
| US5302368A (en) * | 1987-01-29 | 1994-04-12 | Sumitomo Chemical Company, Limited | Process for preparation of alumina |
| US4822592A (en) * | 1987-02-05 | 1989-04-18 | Aluminum Company Of America | Producing alpha alumina particles with pressurized acidic steam |
| EP0281265B1 (en) * | 1987-02-26 | 1992-08-05 | Sumitomo Chemical Company, Limited | Process for preparing easily mono-dispersible alumina |
| FR2652075B1 (fr) * | 1989-09-21 | 1991-12-06 | Atochem | Macrocristaux d'alumine alpha sous forme de plaquettes et procede d'obtention. |
| DE69324582T2 (de) * | 1992-06-02 | 1999-09-09 | Sumitomo Chemical Co. | Alpha-aluminiumoxid |
| JP3744010B2 (ja) * | 1993-06-30 | 2006-02-08 | 住友化学株式会社 | α−アルミナ粉末の製造方法 |
| RU2138461C1 (ru) * | 1993-07-27 | 1999-09-27 | Сумитомо Кемикал Компани, Лимитед | Алюмооксидная композиция (варианты) и способ получения алюмооксидной керамики |
-
1993
- 1993-06-01 DE DE69324582T patent/DE69324582T2/de not_active Expired - Lifetime
- 1993-06-01 BR BR9306463A patent/BR9306463A/pt not_active Application Discontinuation
- 1993-06-01 WO PCT/JP1993/000738 patent/WO1993024681A1/ja active IP Right Grant
- 1993-06-01 CZ CZ942997A patent/CZ283394B6/cs not_active IP Right Cessation
- 1993-06-01 CA CA002137247A patent/CA2137247A1/en not_active Abandoned
- 1993-06-01 EP EP93910427A patent/EP0644278B1/en not_active Expired - Lifetime
- 1993-06-01 WO PCT/JP1993/000739 patent/WO1993024682A1/ja active IP Right Grant
- 1993-06-01 SK SK1460-94A patent/SK281471B6/sk not_active IP Right Cessation
- 1993-06-01 AU AU40910/93A patent/AU677583B2/en not_active Expired
- 1993-06-01 HU HU9403449A patent/HU216730B/hu unknown
- 1993-06-01 RU RU94046206A patent/RU2107661C1/ru active
- 1993-06-01 AU AU40908/93A patent/AU676834B2/en not_active Expired
- 1993-06-01 DE DE69326950T patent/DE69326950T2/de not_active Expired - Lifetime
- 1993-06-01 BR BR9306465A patent/BR9306465A/pt not_active Application Discontinuation
- 1993-06-01 EP EP93910426A patent/EP0644277B1/en not_active Expired - Lifetime
- 1993-06-01 KR KR1019940704364A patent/KR950701987A/ko active IP Right Grant
- 1993-06-01 RU RU94046207A patent/RU2114059C1/ru active
- 1993-06-01 WO PCT/JP1993/000737 patent/WO1993024680A1/ja active IP Right Grant
- 1993-06-01 BR BR9306466A patent/BR9306466A/pt not_active Application Discontinuation
- 1993-06-01 KR KR1019940704363A patent/KR100292424B1/ko not_active IP Right Cessation
- 1993-06-01 HU HU9403450A patent/HU216722B/hu unknown
- 1993-06-01 RU RU94046211A patent/RU2107662C1/ru active
- 1993-06-01 SK SK1461-94A patent/SK146194A3/sk unknown
- 1993-06-01 HU HU9403448A patent/HU216721B/hu unknown
- 1993-06-01 AU AU40909/93A patent/AU678355B2/en not_active Expired
- 1993-06-01 SK SK1459-94A patent/SK281673B6/sk not_active IP Right Cessation
- 1993-06-01 KR KR1019940704452A patent/KR100258786B1/ko not_active IP Right Cessation
- 1993-06-01 DE DE69324581T patent/DE69324581T2/de not_active Expired - Lifetime
- 1993-06-01 PL PL93306562A patent/PL175036B1/pl unknown
- 1993-06-01 CZ CZ942996A patent/CZ284790B6/cs not_active IP Right Cessation
- 1993-06-01 CA CA002137248A patent/CA2137248A1/en not_active Abandoned
- 1993-06-01 CZ CZ942998A patent/CZ283469B6/cs not_active IP Right Cessation
- 1993-06-01 CA CA002137249A patent/CA2137249A1/en not_active Abandoned
- 1993-06-01 EP EP93910428A patent/EP0644279B1/en not_active Expired - Lifetime
- 1993-06-02 CN CN93106787A patent/CN1034010C/zh not_active Expired - Lifetime
- 1993-06-02 CN CN93106788A patent/CN1034011C/zh not_active Expired - Lifetime
- 1993-06-02 CN CN93106789A patent/CN1034012C/zh not_active Expired - Lifetime
-
1997
- 1997-02-24 US US08/805,044 patent/US6165437A/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
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| EG | Technical examination (opinion): publication of technical examination (opinion) | ||
| FC | Decision: refusal |