CA1189239A - Embedding mass polyurethane - Google Patents
Embedding mass polyurethaneInfo
- Publication number
- CA1189239A CA1189239A CA000372531A CA372531A CA1189239A CA 1189239 A CA1189239 A CA 1189239A CA 000372531 A CA000372531 A CA 000372531A CA 372531 A CA372531 A CA 372531A CA 1189239 A CA1189239 A CA 1189239A
- Authority
- CA
- Canada
- Prior art keywords
- castor oil
- composition
- adduct
- mixture
- membrane
- 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
Links
- 239000004814 polyurethane Substances 0.000 title claims abstract description 31
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 93
- 239000004359 castor oil Substances 0.000 claims abstract description 69
- 235000019438 castor oil Nutrition 0.000 claims abstract description 69
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims abstract description 69
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims abstract description 31
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000004132 cross linking Methods 0.000 claims abstract description 17
- 150000003606 tin compounds Chemical class 0.000 claims abstract description 15
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 13
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims abstract description 8
- MURVYWXXJMFXQK-UHFFFAOYSA-N [3,3-bis(hydroxymethyl)-5-isocyanato-1-(isocyanatomethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CC(N=C=O)CC(CO)(CN=C=O)C1 MURVYWXXJMFXQK-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000012528 membrane Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 11
- 238000004382 potting Methods 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 7
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical group CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 5
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 5
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 5
- 210000000056 organ Anatomy 0.000 claims description 5
- BUOWPYZXTGPJFS-UHFFFAOYSA-L [dibutyl(nonanoyloxy)stannyl] nonanoate Chemical compound CCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCC BUOWPYZXTGPJFS-UHFFFAOYSA-L 0.000 claims description 4
- 238000009750 centrifugal casting Methods 0.000 claims description 3
- 229940113165 trimethylolpropane Drugs 0.000 abstract description 24
- 239000012948 isocyanate Substances 0.000 abstract description 4
- 125000003118 aryl group Chemical group 0.000 abstract description 2
- 229960001777 castor oil Drugs 0.000 description 45
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000001294 propane Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- 238000007792 addition Methods 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003431 cross linking reagent Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 150000002513 isocyanates Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000490229 Eucephalus Species 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- KQWGXHWJMSMDJJ-UHFFFAOYSA-N cyclohexyl isocyanate Chemical compound O=C=NC1CCCCC1 KQWGXHWJMSMDJJ-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000036647 reaction Effects 0.000 description 2
- 241000132092 Aster Species 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 101000911019 Homo sapiens Zinc finger protein castor homolog 1 Proteins 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 101150046432 Tril gene Proteins 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 102100026655 Zinc finger protein castor homolog 1 Human genes 0.000 description 1
- UIVPSZGALMDKTH-UHFFFAOYSA-K [butyl-di(nonanoyloxy)stannyl] nonanoate Chemical compound C(CCCCCCCC)(=O)[O-].C(CCC)[Sn+3].C(CCCCCCCC)(=O)[O-].C(CCCCCCCC)(=O)[O-] UIVPSZGALMDKTH-UHFFFAOYSA-K 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000012465 retentate Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- -1 thy tin compound Chemical class 0.000 description 1
- 239000012974 tin catalyst Substances 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/724—Combination of aromatic polyisocyanates with (cyclo)aliphatic polyisocyanates
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/18—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- A61L33/00—Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of blood; Materials for such treatment
- A61L33/06—Use of macromolecular materials
- A61L33/068—Use of macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
- B01D63/022—Encapsulating hollow fibres
- B01D63/023—Encapsulating materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/24—Catalysts containing metal compounds of tin
- C08G18/242—Catalysts containing metal compounds of tin organometallic compounds containing tin-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/36—Hydroxylated esters of higher fatty acids
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Inorganic Chemistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dermatology (AREA)
- Materials Engineering (AREA)
- Hematology (AREA)
- Surgery (AREA)
- Manufacturing & Machinery (AREA)
- Polyurethanes Or Polyureas (AREA)
- External Artificial Organs (AREA)
- Sealing Material Composition (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803010030 DE3010030A1 (de) | 1980-03-15 | 1980-03-15 | Einbettmasse aus polyurethanen |
| DEP3010030.2 | 1980-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1189239A true CA1189239A (en) | 1985-06-18 |
Family
ID=6097328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000372531A Expired CA1189239A (en) | 1980-03-15 | 1981-03-09 | Embedding mass polyurethane |
Country Status (10)
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3106498A1 (de) * | 1981-02-21 | 1982-09-09 | Akzo Gmbh, 5600 Wuppertal | Einbettmasse aus polyurethanen |
| DE3410133A1 (de) * | 1984-03-20 | 1985-10-03 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran aus cellulose mit verbesserter biokompatibilitaet |
| EP0155534B1 (de) * | 1984-03-20 | 1988-12-28 | Akzo Patente GmbH | Dialysemembran aus Cellulose mit verbesserter Biokompatibilität |
| DE3411361A1 (de) * | 1984-03-28 | 1985-10-10 | Akzo Gmbh, 5600 Wuppertal | Einbettmaterial, verfahren zu seiner herstellung und seine verwendung |
| DE3541478A1 (de) * | 1985-11-23 | 1987-05-27 | Beiersdorf Ag | Herzklappenprothese und verfahren zu deren herstellung |
| JP2610042B2 (ja) * | 1987-09-21 | 1997-05-14 | テルモ 株式会社 | 体外循環用医療用器具の製造方法 |
| US5782931A (en) * | 1996-07-30 | 1998-07-21 | Baxter International Inc. | Methods for mitigating calcification and improving durability in glutaraldehyde-fixed bioprostheses and articles manufactured by such methods |
| US20030186008A1 (en) * | 2002-03-29 | 2003-10-02 | Sutton Stephen P. | Spirally wound packages of soft thermoplastic elastomer tape, film, or sheet and processes for producing same |
| US7045085B2 (en) * | 2002-04-15 | 2006-05-16 | Sutton Stephen P | Elastomer composition and methods for using same |
| US7763341B2 (en) | 2004-01-23 | 2010-07-27 | Century-Board Usa, Llc | Filled polymer composite and synthetic building material compositions |
| WO2006012149A2 (en) | 2004-06-24 | 2006-02-02 | Century-Board Usa, Llc | Continuous forming apparatus for three-dimensional foamed products |
| US7794224B2 (en) | 2004-09-28 | 2010-09-14 | Woodbridge Corporation | Apparatus for the continuous production of plastic composites |
| JP5055767B2 (ja) * | 2005-12-27 | 2012-10-24 | 日本ポリウレタン工業株式会社 | ポリウレタン樹脂形成性組成物、シール材及び中空糸膜モジュール |
| BRPI0708829A2 (pt) | 2006-03-24 | 2012-03-13 | Century-Board Usa, Llc | métodos de formação de material polimérico composto num extrusor |
| JP2008214366A (ja) * | 2007-02-28 | 2008-09-18 | Sanyo Chem Ind Ltd | 膜モジュールのシール材用注型ポリウレタン樹脂形成性組成物 |
| US8846776B2 (en) | 2009-08-14 | 2014-09-30 | Boral Ip Holdings Llc | Filled polyurethane composites and methods of making same |
| US9481759B2 (en) | 2009-08-14 | 2016-11-01 | Boral Ip Holdings Llc | Polyurethanes derived from highly reactive reactants and coal ash |
| WO2013052732A1 (en) | 2011-10-07 | 2013-04-11 | Boral Industries Inc. | Inorganic polymer/organic polymer composites and methods of making same |
| WO2014168633A1 (en) | 2013-04-12 | 2014-10-16 | Boral Ip Holdings (Australia) Pty Limited | Composites formed from an absorptive filler and a polyurethane |
| WO2016018226A1 (en) | 2014-07-28 | 2016-02-04 | Crocco Guy | The use of evaporative coolants to manufacture filled polyurethane composites |
| WO2016022103A1 (en) | 2014-08-05 | 2016-02-11 | Amitabha Kumar | Filled polymeric composites including short length fibers |
| WO2016118141A1 (en) | 2015-01-22 | 2016-07-28 | Boral Ip Holdings (Australia) Pty Limited | Highly filled polyurethane composites |
| WO2016195717A1 (en) | 2015-06-05 | 2016-12-08 | Boral Ip Holdings (Australia) Pty Limited | Filled polyurethane composites with lightweight fillers |
| WO2017082914A1 (en) | 2015-11-12 | 2017-05-18 | Boral Ip Holdings (Australia) Pty Limited | Filled polyurethane composites with size-graded fillers |
| JP7286912B2 (ja) * | 2016-12-15 | 2023-06-06 | 東ソー株式会社 | アロファネート基含有ポリイソシアネートプレポリマー |
| CN112480854A (zh) * | 2020-11-26 | 2021-03-12 | 广东顺德巍龙复合材料有限公司 | 双组份改性蓖麻油户外电子用聚氨酯封装胶及其制备方法 |
| CN112724363B (zh) * | 2020-12-28 | 2022-10-25 | 山东一诺威聚氨酯股份有限公司 | 海底电缆灌封用聚氨酯灌封胶及其制备方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2983693A (en) * | 1956-12-20 | 1961-05-09 | Du Pont | Isocyanate terminated polyurethane adhesive composition |
| US3047520A (en) * | 1958-10-28 | 1962-07-31 | Allied Chem | Protective urethane coating composition |
| US3351573A (en) * | 1961-06-13 | 1967-11-07 | Allied Chem | Catalyzed storage-stable quick drying coating composition containing polyurethane-polyisocyanate film former |
| US3274134A (en) * | 1961-09-14 | 1966-09-20 | Ramos Thomas | Very soft urethane vulcanizates which comprise a fully saturated urethane prepolymer and an organotin compound |
| US3546148A (en) * | 1966-10-17 | 1970-12-08 | Minnesota Mining & Mfg | Polyurethane composition and surfacing |
| US3483150A (en) * | 1967-02-15 | 1969-12-09 | Arthur Ehrlich | Polyurethane prepolymers and elastomers |
| GB1204100A (en) | 1968-05-15 | 1970-09-03 | Bayer Ag | Process for the production of foam plastics which contain urethane groups |
| US3691117A (en) * | 1970-08-10 | 1972-09-12 | Alfred E Messerly | Polyurethane compositions of matter and methods of manufacture |
| BE786328A (fr) | 1971-07-15 | 1973-01-15 | Ici Ltd | Preparation de polyurethannes |
| US3965073A (en) * | 1973-06-04 | 1976-06-22 | The Dow Chemical Company | Preparation of rapid setting non-elastomeric polyurethane compositions in the presence of ester-modified polyoxyalkylene compounds |
| US4038239A (en) * | 1973-11-23 | 1977-07-26 | Contech Inc. | Moisture curable polyurethane systems |
| US4038304A (en) * | 1974-05-20 | 1977-07-26 | Takeda Chemical Industries, Ltd. | Urethane prepolymer |
| US4045527A (en) * | 1974-09-23 | 1977-08-30 | Hitco | Polyurethane and composite thereof |
| US4101471A (en) | 1975-12-18 | 1978-07-18 | M & T Chemicals Inc. | High resiliency foam with improved load bearing ability by use of organotin mercaptides |
| US4055548A (en) | 1976-09-17 | 1977-10-25 | The Upjohn Company | Storage-stable liquid polyisocyanate composition |
| DE2813197C2 (de) * | 1978-03-25 | 1983-09-08 | Akzo Gmbh, 5600 Wuppertal | Einbettmaterial, Verfahren zu seiner Herstellung und seine Verwendung |
| IT1114714B (it) | 1978-03-25 | 1986-01-27 | Akzo Nv | Massa di incorporazione poliuretanica e relativo procedimento di produzione |
-
1980
- 1980-03-15 DE DE19803010030 patent/DE3010030A1/de not_active Ceased
-
1981
- 1981-02-27 NL NL8100952A patent/NL8100952A/nl not_active Application Discontinuation
- 1981-03-06 FR FR8104493A patent/FR2478110A2/fr active Granted
- 1981-03-06 IT IT47962/81A patent/IT1142661B/it active
- 1981-03-09 CA CA000372531A patent/CA1189239A/en not_active Expired
- 1981-03-12 GB GB8107899A patent/GB2072206B/en not_active Expired
- 1981-03-13 US US06/243,342 patent/US4344873A/en not_active Expired - Lifetime
- 1981-03-13 SE SE8101599A patent/SE449869B/sv not_active IP Right Cessation
- 1981-03-13 BE BE0/204112A patent/BE887935R/fr not_active IP Right Cessation
- 1981-03-16 JP JP3668181A patent/JPS56145916A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0135852B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-07-27 |
| IT1142661B (it) | 1986-10-15 |
| SE449869B (sv) | 1987-05-25 |
| FR2478110A2 (fr) | 1981-09-18 |
| IT8147962A0 (it) | 1981-03-06 |
| US4344873A (en) | 1982-08-17 |
| JPS56145916A (en) | 1981-11-13 |
| GB2072206B (en) | 1983-06-22 |
| FR2478110B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-04-27 |
| BE887935R (fr) | 1981-07-01 |
| NL8100952A (nl) | 1981-10-16 |
| DE3010030A1 (de) | 1981-09-24 |
| SE8101599L (sv) | 1981-09-16 |
| GB2072206A (en) | 1981-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |