KR910007833A - 작은 공경을 갖는 다공성 금속 산화물 세라믹 막 및 그 제조 방법 - Google Patents
작은 공경을 갖는 다공성 금속 산화물 세라믹 막 및 그 제조 방법 Download PDFInfo
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- KR910007833A KR910007833A KR1019900016867A KR900016867A KR910007833A KR 910007833 A KR910007833 A KR 910007833A KR 1019900016867 A KR1019900016867 A KR 1019900016867A KR 900016867 A KR900016867 A KR 900016867A KR 910007833 A KR910007833 A KR 910007833A
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- South Korea
- Prior art keywords
- alcohol
- metal
- metal oxide
- water
- alkoxide
- Prior art date
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- 239000011148 porous material Substances 0.000 title claims 6
- 229910044991 metal oxide Inorganic materials 0.000 title claims 5
- 150000004706 metal oxides Chemical class 0.000 title claims 5
- 239000012528 membrane Substances 0.000 title claims 3
- 239000011224 oxide ceramic Substances 0.000 title claims 3
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 238000000034 method Methods 0.000 claims 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 7
- 229910052751 metal Inorganic materials 0.000 claims 7
- 239000002184 metal Substances 0.000 claims 7
- 150000004703 alkoxides Chemical class 0.000 claims 6
- 239000000203 mixture Substances 0.000 claims 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 5
- 125000004432 carbon atom Chemical group C* 0.000 claims 4
- 239000000463 material Substances 0.000 claims 4
- MSXVEPNJUHWQHW-UHFFFAOYSA-N 2-methylbutan-2-ol Chemical compound CCC(C)(C)O MSXVEPNJUHWQHW-UHFFFAOYSA-N 0.000 claims 3
- 125000005233 alkylalcohol group Chemical group 0.000 claims 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- 125000000217 alkyl group Chemical group 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 238000001035 drying Methods 0.000 claims 2
- 238000005245 sintering Methods 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 125000003158 alcohol group Chemical group 0.000 claims 1
- -1 carbon alkoxide Chemical class 0.000 claims 1
- 239000000919 ceramic Substances 0.000 claims 1
- 238000010304 firing Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 229910052723 transition metal Inorganic materials 0.000 claims 1
- 150000003624 transition metals Chemical class 0.000 claims 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0048—Inorganic membrane manufacture by sol-gel transition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0041—Inorganic membrane manufacture by agglomeration of particles in the dry state
- B01D67/00411—Inorganic membrane manufacture by agglomeration of particles in the dry state by sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/14—Dynamic membranes
- B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/024—Oxides
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2475—Membrane reactors
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
- B01J35/59—Membranes
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
- B01J8/009—Membranes, e.g. feeding or removing reactants or products to or from the catalyst bed through a membrane
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/486—Fine ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/49—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/624—Sol-gel processing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/48—Influencing the pH
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/43—Specific optical properties
- B01D2325/44—Specific light transmission
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00164—Controlling or regulating processes controlling the flow
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00177—Controlling or regulating processes controlling the pH
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Dispersion Chemistry (AREA)
- Composite Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Materials (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Colloid Chemistry (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (14)
- (A)특정량의 금속 알콕시드를 알코올 중에 용해시키는 단계: 여기서, 금속 알콕시드의 알킬기와 알코올의 알킬기는 서로 동일하며 4개 이상의 탄소 원자수와 분지쇄형 구조를 가짐. (B)특정량의 물을 일정량의 동일한 알킬 알코올에 첨가하는 단계. (C)상기물을 함유하는 알코올을 상기 금속 알콕시드를 함유하는 알코올에 교반시키면서 서서히 첨가하는 단계. (D)생성된 용액을 습도를 조절한 환경하에 두어 용액으로부터 알코올을 서서히 건조시킴으로써 겔을 형성하는 단계. (E)약 400℃이하의 온도로 소성시킴으로써 상기 겔을 막으로 소결시키는 단계로 이루어지는 일정한 크기의 작은 공경을 갖는 금속 산화물 세라믹 막의 제조방법.
- 제1항에 있어서, 상기 금속이 티타늄인 것을 특징으로 하는 방법.
- 제1항에 있어서, 단계(A) 및 (B)에서 사용되는 알코올이 tert-아밀 알코올인 것을 특징으로 하는 방법.
- 제1항에 있어서, 용액 중의 금속 알콕시드의 물 농도가 약 0.2M인 것을 특징으로 하는 방법.
- 제1항에 있어서, 물 대 금속 산화물 분자의 비가 약 6대 1이 되도록 하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 단계(B)에서 물을 pH 1내지 3으로 미리 산성화시키는 것을 특징으로 하는 방법.
- 제1항에 있어서, 알킬 알코올이 5개 이상의 탄소 원자수와 분지쇄형 구조를 갖는 것을 특징으로 하는 방법.
- 제1항에 있어서, 단계(D)가 용액을 밀폐된 건조실에서 알코올이 거의 증발되기에 충분한 시간동안 위치시킴으로써 수행되는 것을 방지하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 단계(E)의 소결단계에서 온도를 분당 약 0.1℃이하의 상승폭으로 상승시킴으로써 막상에 탄소가 침착되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 단계(A)이전에, 추가로 알코올이 4개 이하의 탄소 원자수를 갖는 금속 알콕시드를 알코올 교환 공정에서 분지쇄형 구조와 4개 이상의 탄소 원자수를 갖는 특정 알킬 알코올로 치환시키는 금속 산화물처리 단계를 포함하는 것을 특징으로 하는 방법.
- 40Å미만의 평균 공경을 갖는 투명한 다공성 이산화 티타늄 세라믹 막을 포함하는 재료 조성물.
- 제11항에 있어서, 평균 공경이 5Å을 초과하는 것을 특징으로 하는 재료 조성물.
- 전이금속 및 그의 혼합물로 구성되는 군 중에서 선택된 금속의 산화물로 이루어진 40Å미만의 평균 공경을 갖는 투명한 다공성 금속 산화물 세라믹 막을 포함하는 재료 조성물.
- 제13항에 있어서, 평균 공경이 15Å이상인 것을 특징으로 하는 재료 조성물.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42566889A | 1989-10-23 | 1989-10-23 | |
US425,668 | 1989-10-23 | ||
US425668 | 1989-10-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910007833A true KR910007833A (ko) | 1991-05-30 |
KR0158688B1 KR0158688B1 (ko) | 1998-11-16 |
Family
ID=23687540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900016867A KR0158688B1 (ko) | 1989-10-23 | 1990-10-22 | 작은 공경을 갖는 다공성 금속 산화물 세라믹막 및 그 제조 방법 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0425252B1 (ko) |
JP (1) | JP2665042B2 (ko) |
KR (1) | KR0158688B1 (ko) |
AT (1) | ATE131743T1 (ko) |
AU (1) | AU634590B2 (ko) |
CA (1) | CA2027678C (ko) |
DE (1) | DE69024328T2 (ko) |
ES (1) | ES2081944T3 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020196949A1 (ko) | 2019-03-27 | 2020-10-01 | 한국철도기술연구원 | 대륙철도차량용 연결기 구조 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4117284A1 (de) * | 1991-05-27 | 1992-12-03 | Studiengesellschaft Kohle Mbh | Verfahren zur herstellung von mikroporoesen keramikmembranen fuer die trennung von gas- und fluessigkeitsgemischen |
US5208190A (en) * | 1991-10-08 | 1993-05-04 | Wisconsin Alumni Research Foundation | Microporous alumina ceramic membranes |
US5268101A (en) * | 1991-10-08 | 1993-12-07 | Anderson Marc A | Microprobes aluminosilicate ceramic membranes |
EP0586745B1 (en) * | 1992-09-07 | 1996-01-10 | Shell Internationale Researchmaatschappij B.V. | Manufacturing a ceramic membrane |
DE4303610A1 (de) * | 1993-02-09 | 1994-08-11 | Studiengesellschaft Kohle Mbh | Verfahren zur Herstellung von vergiftungsfesten Katalysatoren |
CN1069846C (zh) * | 1994-03-28 | 2001-08-22 | 中国科学技术大学 | 一种制备氧化钇掺杂的氧化锆陶瓷微滤膜的溶胶凝胶法 |
US6232253B1 (en) * | 1994-09-23 | 2001-05-15 | Ford Global Technologies, Inc. | Sol-gel alumina membrane for lean NOx catalysts and method of making same |
JP2775399B2 (ja) * | 1995-01-24 | 1998-07-16 | 工業技術院長 | 多孔質光触媒及びその製造方法 |
DE19947505A1 (de) * | 1999-10-01 | 2001-04-05 | Degussa | Verfahren zur Herstellung organischer Verbindungen im Membranreaktor |
FR2829946B1 (fr) * | 2001-09-26 | 2003-12-19 | Tech Avancees & Membranes Ind | Nouvelles membranes inorganiques de nanofiltration |
JP4426524B2 (ja) * | 2003-03-10 | 2010-03-03 | 日本碍子株式会社 | 無機質多孔体及びその製造方法 |
EP1669325A1 (de) * | 2004-12-13 | 2006-06-14 | Kerr-McGee Pigments GmbH | Feinteilige Bleizirkonattitanate und Zirkoniumtitanate und Verfahren zu deren Herstellung unter Verwendung von Titanoxidhydratpartikeln |
CN100554189C (zh) * | 2005-08-08 | 2009-10-28 | 江苏久吾高科技股份有限公司 | 海水淡化中陶瓷膜预处理方法 |
CN100372782C (zh) * | 2005-08-24 | 2008-03-05 | 南京工业大学 | 一种反渗透海水淡化陶瓷膜预处理方法 |
KR101874951B1 (ko) | 2017-11-20 | 2018-07-05 | 박미라 | 립실 테이프 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3892580A (en) * | 1973-03-26 | 1975-07-01 | Corning Glass Works | Method of making porous inorganic bodies |
US4800051A (en) * | 1982-05-03 | 1989-01-24 | American Telephone And Telegraph Company, At&T Bell Laboratories | Method for fabricating ceramic materials |
JPS59213660A (ja) * | 1983-05-13 | 1984-12-03 | 鐘淵化学工業株式会社 | 多孔性セラミツクス薄膜およびその製造法 |
DE3628948A1 (de) * | 1986-08-26 | 1988-03-03 | Man Technologie Gmbh | Verfahren zur herstellung von filterkoerpern |
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1990
- 1990-10-15 CA CA002027678A patent/CA2027678C/en not_active Expired - Lifetime
- 1990-10-22 KR KR1019900016867A patent/KR0158688B1/ko not_active IP Right Cessation
- 1990-10-22 AU AU64890/90A patent/AU634590B2/en not_active Expired
- 1990-10-23 DE DE69024328T patent/DE69024328T2/de not_active Expired - Lifetime
- 1990-10-23 AT AT90311626T patent/ATE131743T1/de not_active IP Right Cessation
- 1990-10-23 JP JP2285709A patent/JP2665042B2/ja not_active Expired - Fee Related
- 1990-10-23 ES ES90311626T patent/ES2081944T3/es not_active Expired - Lifetime
- 1990-10-23 EP EP90311626A patent/EP0425252B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020196949A1 (ko) | 2019-03-27 | 2020-10-01 | 한국철도기술연구원 | 대륙철도차량용 연결기 구조 |
Also Published As
Publication number | Publication date |
---|---|
CA2027678C (en) | 2002-05-28 |
CA2027678A1 (en) | 1991-04-24 |
AU6489090A (en) | 1991-04-26 |
EP0425252B1 (en) | 1995-12-20 |
KR0158688B1 (ko) | 1998-11-16 |
AU634590B2 (en) | 1993-02-25 |
DE69024328D1 (de) | 1996-02-01 |
ES2081944T3 (es) | 1996-03-16 |
DE69024328T2 (de) | 1996-08-29 |
ATE131743T1 (de) | 1996-01-15 |
EP0425252A1 (en) | 1991-05-02 |
JP2665042B2 (ja) | 1997-10-22 |
JPH03193679A (ja) | 1991-08-23 |
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