JP2539957B2 - 吸水性樹脂の表面処理方法 - Google Patents
吸水性樹脂の表面処理方法Info
- Publication number
- JP2539957B2 JP2539957B2 JP3068449A JP6844991A JP2539957B2 JP 2539957 B2 JP2539957 B2 JP 2539957B2 JP 3068449 A JP3068449 A JP 3068449A JP 6844991 A JP6844991 A JP 6844991A JP 2539957 B2 JP2539957 B2 JP 2539957B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- weight
- absorbent resin
- parts
- resin powder
- 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
Links
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- 229920005989 resin Polymers 0.000 title claims abstract description 147
- 239000011347 resin Substances 0.000 title claims abstract description 147
- 239000002250 absorbent Substances 0.000 title claims abstract description 142
- 230000002745 absorbent Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000004381 surface treatment Methods 0.000 title description 8
- 239000000843 powder Substances 0.000 claims abstract description 101
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 62
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 25
- 239000003960 organic solvent Substances 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 11
- 238000009775 high-speed stirring Methods 0.000 claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims description 48
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- 150000001875 compounds Chemical class 0.000 claims description 21
- 239000010419 fine particle Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 21
- 239000002504 physiological saline solution Substances 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 8
- 150000005846 sugar alcohols Polymers 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- 229920000768 polyamine Chemical class 0.000 claims description 3
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- 229920000765 poly(2-oxazolines) Chemical class 0.000 claims description 2
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 15
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 10
- 239000002585 base Substances 0.000 description 10
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- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 3
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
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- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 2
- 229910002016 Aerosil® 200 Inorganic materials 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 239000004971 Cross linker Substances 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 2
- 229920006322 acrylamide copolymer Polymers 0.000 description 2
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- 230000000903 blocking effect Effects 0.000 description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
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- 235000014113 dietary fatty acids Nutrition 0.000 description 2
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- 238000004898 kneading Methods 0.000 description 2
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- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- HDPLHDGYGLENEI-UHFFFAOYSA-N 2-[1-(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COC(C)COCC1CO1 HDPLHDGYGLENEI-UHFFFAOYSA-N 0.000 description 1
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 description 1
- UWHCZFSSKUSDNV-UHFFFAOYSA-N 3-(aziridin-1-yl)propanoic acid;2-ethyl-2-(hydroxymethyl)propane-1,3-diol Chemical compound OC(=O)CCN1CC1.OC(=O)CCN1CC1.OC(=O)CCN1CC1.CCC(CO)(CO)CO UWHCZFSSKUSDNV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
-
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/14—Esterification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
- C08F8/32—Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dispersion Chemistry (AREA)
- Hematology (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US502738 | 1990-04-02 | ||
| US07/502,738 US5140076A (en) | 1990-04-02 | 1990-04-02 | Method of treating the surface of an absorbent resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04214734A JPH04214734A (ja) | 1992-08-05 |
| JP2539957B2 true JP2539957B2 (ja) | 1996-10-02 |
Family
ID=23999184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3068449A Expired - Lifetime JP2539957B2 (ja) | 1990-04-02 | 1991-04-01 | 吸水性樹脂の表面処理方法 |
Country Status (19)
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| US5300565A (en) * | 1990-04-02 | 1994-04-05 | The Procter & Gamble Company | Particulate, absorbent, polymeric compositions containing interparticle crosslinked aggregates |
| CA2086031A1 (en) * | 1992-01-28 | 1993-07-29 | Shigeki Ueda | Process for producing improved water absorbing resin and resin made by the same |
| GB9208449D0 (en) * | 1992-04-16 | 1992-06-03 | Dow Deutschland Inc | Crosslinked hydrophilic resins and method of preparation |
| DE69333678T2 (de) | 1992-08-17 | 2005-03-03 | Weyerhaeuser Co., Tacoma | Bindemittel für Partikel |
| US5998032A (en) | 1992-08-17 | 1999-12-07 | Weyerhaeuser Company | Method and compositions for enhancing blood absorbence by superabsorbent materials |
| US6340411B1 (en) | 1992-08-17 | 2002-01-22 | Weyerhaeuser Company | Fibrous product containing densifying agent |
| US7144474B1 (en) | 1992-08-17 | 2006-12-05 | Weyerhaeuser Co. | Method of binding particles to binder treated fibers |
| US5324561A (en) * | 1992-10-02 | 1994-06-28 | The Procter & Gamble Company | Porous, absorbent macrostructures of bonded absorbent particles surface crosslinked with cationic amino-epichlorohydrin adducts |
| JP3281110B2 (ja) * | 1993-04-23 | 2002-05-13 | 三菱化学株式会社 | 高吸水性ポリマー組成物 |
| US5314420A (en) * | 1993-09-17 | 1994-05-24 | Nalco Chemical Company | Superabsorbent polymer having improved absorption rate and absorption under pressure |
| US5451613A (en) * | 1993-09-17 | 1995-09-19 | Nalco Chemical Company | Superabsorbent polymer having improved absorption rate and absorption under pressure |
| US5713881A (en) * | 1993-10-22 | 1998-02-03 | Rezai; Ebrahim | Non-continuous absorbent composites comprising a porous macrostructure of absorbent gelling particles and a substrate |
| US5868724A (en) * | 1993-10-22 | 1999-02-09 | The Procter & Gamble Company | Non-continuous absorbent cores comprising a porous macrostructure of absorbent gelling particles |
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| US5843575A (en) * | 1994-02-17 | 1998-12-01 | The Procter & Gamble Company | Absorbent members comprising absorbent material having improved absorbent property |
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| JP6313280B2 (ja) | 2013-03-27 | 2018-04-18 | 住友精化株式会社 | 吸水性樹脂組成物の製造方法 |
| US9624328B2 (en) | 2013-04-30 | 2017-04-18 | Lg Chem, Ltd. | Superabsorbent polymer |
| FR3005660B1 (fr) * | 2013-05-17 | 2015-04-24 | Arkema France | Procede de reticulation en surface de particules de polymere |
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| KR101719352B1 (ko) | 2013-12-13 | 2017-04-04 | 주식회사 엘지화학 | 고흡수성 수지 조성물 |
| KR101949457B1 (ko) | 2014-08-04 | 2019-02-19 | 주식회사 엘지화학 | 고흡수성 수지 제조용 표면 개질 무기 나노 입자 및 고흡수성 수지 제조용 중화액 |
| EP3186164B1 (en) | 2014-08-26 | 2023-09-06 | Nochar, Inc. | Shipping container having a flame retardant layer and a thermal blocking layer |
| KR101750013B1 (ko) * | 2016-02-19 | 2017-06-22 | 주식회사 엘지화학 | 고흡수성 수지 |
| US11766659B2 (en) | 2016-11-16 | 2023-09-26 | Nippon Shokubai Co., Ltd. | Method for producing water-absorbent resin powder, and drying device and drying method for particulate hydrous gel |
| KR102193459B1 (ko) | 2016-12-20 | 2020-12-21 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
| WO2018117413A1 (ko) | 2016-12-20 | 2018-06-28 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
| KR102157785B1 (ko) | 2017-02-10 | 2020-09-18 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
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| US494440A (en) * | 1893-03-28 | Fireworks-torch | ||
| US3661815A (en) * | 1970-05-18 | 1972-05-09 | Grain Processing Corp | Water-absorbing alkali metal carboxylate salts of starch-polyacrylonitrile graft copolymers |
| JPS51125468A (en) * | 1975-03-27 | 1976-11-01 | Sanyo Chem Ind Ltd | Method of preparing resins of high water absorbency |
| DE2757329C2 (de) * | 1977-12-22 | 1980-02-07 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Polymerisaten der Acrylsäure oder Methacrylsäure |
| JPS5744627A (en) * | 1980-08-29 | 1982-03-13 | Seitetsu Kagaku Co Ltd | Improvement of water absorption of water-absorbing polymer of acrylic acid salt |
| JPS5842602A (ja) * | 1981-09-07 | 1983-03-12 | Sanyo Chem Ind Ltd | 吸水性樹脂の製造法 |
| JPS58180233A (ja) * | 1982-04-19 | 1983-10-21 | Nippon Shokubai Kagaku Kogyo Co Ltd | 吸収剤 |
| JPS5962665A (ja) * | 1982-09-02 | 1984-04-10 | Kao Corp | 高吸水性ポリマ−の製造法 |
| JPS6018690A (ja) * | 1984-06-08 | 1985-01-30 | 松下電器産業株式会社 | 配管継手 |
| US4734478A (en) * | 1984-07-02 | 1988-03-29 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Water absorbing agent |
| DE3609545A1 (de) * | 1986-03-21 | 1987-09-24 | Basf Ag | Verfahren zur diskontinuierlichen herstellung von vernetzten, feinteiligen polymerisaten |
| EP0317106B1 (en) * | 1987-10-29 | 1993-02-17 | Nippon Shokubai Kagaku Kogyo Co., Ltd | Method of surface-treating water-absorbent resin |
| DE3741158A1 (de) * | 1987-12-04 | 1989-06-15 | Stockhausen Chem Fab Gmbh | Polymerisate mit hoher aufnahmegeschwindigkeit fuer wasser und waessrige fluessigkeiten, verfahren zu ihrer herstellung und verwendung als absorptionsmittel |
-
1990
- 1990-04-02 US US07/502,738 patent/US5140076A/en not_active Expired - Lifetime
-
1991
- 1991-03-27 AU AU73890/91A patent/AU634872B2/en not_active Expired - Fee Related
- 1991-03-27 CA CA002039281A patent/CA2039281A1/en not_active Abandoned
- 1991-03-28 CS CS91861A patent/CS86191A2/cs unknown
- 1991-03-28 FI FI911523A patent/FI911523A7/fi not_active Application Discontinuation
- 1991-03-28 HU HU911028A patent/HUT60302A/hu unknown
- 1991-03-28 IE IE107291A patent/IE911072A1/en unknown
- 1991-04-01 JP JP3068449A patent/JP2539957B2/ja not_active Expired - Lifetime
- 1991-04-01 MA MA22375A patent/MA22106A1/fr unknown
- 1991-04-02 DE DE69132818T patent/DE69132818T2/de not_active Expired - Lifetime
- 1991-04-02 EP EP91302895A patent/EP0450923B1/en not_active Expired - Lifetime
- 1991-04-02 KR KR1019910005280A patent/KR0143402B1/ko not_active Expired - Lifetime
- 1991-04-02 PT PT97233A patent/PT97233A/pt not_active Application Discontinuation
- 1991-04-02 PL PL28971191A patent/PL289711A1/xx unknown
- 1991-04-02 TR TR91/0330A patent/TR25414A/xx unknown
- 1991-04-02 AT AT91302895T patent/ATE209048T1/de not_active IP Right Cessation
- 1991-04-02 CN CN91102684A patent/CN1031277C/zh not_active Expired - Lifetime
- 1991-04-02 BR BR919101309A patent/BR9101309A/pt unknown
- 1991-04-02 TW TW080102531A patent/TW214559B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR9101309A (pt) | 1991-11-26 |
| JPH04214734A (ja) | 1992-08-05 |
| AU7389091A (en) | 1991-10-03 |
| EP0450923A3 (en) | 1992-06-03 |
| PT97233A (pt) | 1991-12-31 |
| HU911028D0 (en) | 1991-10-28 |
| ATE209048T1 (de) | 2001-12-15 |
| CA2039281A1 (en) | 1991-10-03 |
| DE69132818T2 (de) | 2002-06-13 |
| US5140076A (en) | 1992-08-18 |
| PL289711A1 (en) | 1991-12-16 |
| FI911523A0 (fi) | 1991-03-28 |
| EP0450923B1 (en) | 2001-11-21 |
| MA22106A1 (fr) | 1991-12-31 |
| TR25414A (tr) | 1993-03-01 |
| AU634872B2 (en) | 1993-03-04 |
| KR910018430A (ko) | 1991-11-30 |
| CS86191A2 (en) | 1991-11-12 |
| FI911523L (fi) | 1991-10-03 |
| EP0450923A2 (en) | 1991-10-09 |
| CN1031277C (zh) | 1996-03-13 |
| KR0143402B1 (ko) | 1998-07-15 |
| CN1059153A (zh) | 1992-03-04 |
| DE69132818D1 (de) | 2002-01-03 |
| FI911523A7 (fi) | 1991-10-03 |
| HUT60302A (en) | 1992-08-28 |
| TW214559B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-10-11 |
| IE911072A1 (en) | 1991-10-09 |
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