CH544129A - Verfahren zur Herstellung von geschäumten Polyurethanen - Google Patents

Verfahren zur Herstellung von geschäumten Polyurethanen

Info

Publication number: CH544129A
Authority: CH; Switzerland
Prior art keywords: production; foamed polyurethanes; polyurethanes; foamed
Prior art date: 1969-07-10

Application number

CH1041670A

Other languages

English (en)

Inventor

Morris Rambosek George

George Van Dyke

George Allen Michael

Original Assignee

Minnesota Mining & Mfg

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.)

1969-07-10

Filing date

1970-07-09

Publication date

1973-11-15

1970-07-09 Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg

1973-11-15 Publication of CH544129A publication Critical patent/CH544129A/de

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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- 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
- C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
- C08G18/022—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing isocyanurate groups
- 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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- 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
- C08G18/225—Catalysts containing metal compounds of alkali or alkaline earth metals
- 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
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3802—Low-molecular-weight compounds having heteroatoms other than oxygen having halogens
- C08G18/3814—Polyamines
- 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
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
- 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
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
- C08G18/3823—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups
- C08G18/3825—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups containing amide groups
- 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
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
- 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
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
- C08G18/3857—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur having nitrogen in addition to sulfur
- C08G18/3861—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur having nitrogen in addition to sulfur containing sulfonamide and/or sulfonylhydrazide groups
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/02—Halogenated hydrocarbons
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- 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
- C08G2115/00—Oligomerisation
- C08G2115/02—Oligomerisation to isocyanurate groups
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/902—Cellular polymer containing an isocyanurate structure

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Polyurethanes Or Polyureas (AREA)
Organic Insulating Materials (AREA)

CH1041670A 1969-07-10 1970-07-09 Verfahren zur Herstellung von geschäumten Polyurethanen CH544129A (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US84083469A	1969-07-10	1969-07-10
US84085469A	1969-07-10	1969-07-10
US020012A US3880782A (en)	1969-07-10	1970-03-16	Fluorochemical foam stabilizer and foamed isocyanate-derived polymers made therewith

Publications (1)

Publication Number	Publication Date
CH544129A true CH544129A (de)	1973-11-15

Family

ID=27361350

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CH1041570A CH558398A (de)	1969-07-10	1970-07-09	Verfahren zur herstellung von formkoerpern oder ueberzuegen aus ein polymerisat mit isocyanuratgruppen enthaltendem kunststoff.
CH1041670A CH544129A (de)	1969-07-10	1970-07-09	Verfahren zur Herstellung von geschäumten Polyurethanen

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CH1041570A CH558398A (de)	1969-07-10	1970-07-09	Verfahren zur herstellung von formkoerpern oder ueberzuegen aus ein polymerisat mit isocyanuratgruppen enthaltendem kunststoff.

Country Status (7)

Country	Link
US (3)	US3635848A (de)
JP (1)	JPS5248160B1 (de)
BE (2)	BE753203A (de)
CH (2)	CH558398A (de)
DE (2)	DE2034171A1 (de)
FR (2)	FR2054389A5 (de)
GB (2)	GB1317163A (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2015862A1 (de) *	1968-08-18	1970-04-30	Sumitomo Chemical Co
US3635848A (en) *	1969-07-10	1972-01-18	Minnesota Mining & Mfg	Isocyanurates, polyisocyanurates and polyurethanes and their preparation using as a catalyst a coordination compound of an organic borate ester and an alkali or alkaline earth metal
US3836424A (en) *	1972-07-18	1974-09-17	R Grieve	Polyisocyanurate foam articles
US4008350A (en) *	1972-08-31	1977-02-15	Minnesota Mining And Manufacturing Company	Visco-elastic material comprising a polymeric foam impregnated with an acrylic resin
US3903346A (en) *	1973-01-11	1975-09-02	Celotex Corp	Polyisocyanurate structural laminate and process for producing same
US3993608A (en) *	1974-06-27	1976-11-23	Minnesota Mining And Manufacturing Company	Poly(urethane-isocyanurate) foams containing hollow glass spheres
DE2528898A1 (de) *	1975-06-28	1977-01-13	Bischofsheim Chemie Anlagen	Anorganisch-organische polymere und verfahren zu ihrer herstellung
US4182826A (en) *	1975-07-31	1980-01-08	Bayer Aktiengesellschaft	Process for the production of rapid-set moldings
DE2631167C3 (de) *	1976-07-10	1985-01-31	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von massiven Formteilen
US4151334A (en) *	1976-12-20	1979-04-24	Basf Wyandotte Corporation	Process for the preparation of carbodiimide-isocyanurate foams employing quaternary boron salts as catalysts
US4152497A (en) *	1978-03-27	1979-05-01	Pennwalt Corporation	Compounds containing the 2,2,2-trichloroethyl group as flame retardants for polyurethanes
DE2820909A1 (de)	1978-05-12	1979-12-20	Lentia Gmbh	Spirocyclische borverbindungen, herstellungsverfahren und flammhemmender zusatz
US4582885A (en) *	1978-07-20	1986-04-15	Minnesota Mining And Manufacturing Company	Shaped plastic articles having replicated microstructure surfaces
US4247656A (en) *	1979-03-14	1981-01-27	Minnesota Mining And Manufacturing Company	Poly(urethane-isocyanurate) foams
US4356273A (en) *	1979-04-30	1982-10-26	Minnesota Mining And Manufacturing Company	Fluorochemical foam stabilizer and foamed polyurethanes made therewith
US4286072A (en) *	1979-10-15	1981-08-25	Texaco Development Corp.	Novel polyisocyanurate catalysts
US4310634A (en) *	1979-10-15	1982-01-12	Texaco Development Corp.	Novel polyisocyanurate catalyst
US4425446A (en)	1982-06-23	1984-01-10	Sealed Air Corporation	Urea-modified isocyanurate foam, composition and method
US4503167A (en) *	1983-08-02	1985-03-05	Akzona Incorporated	Method for urethane-modified isocyanurate foams
US4542163A (en) *	1983-08-02	1985-09-17	Akzona Incorporated	Method for the manufacture of polyisocyanurate foams
US4640978A (en) *	1984-09-13	1987-02-03	Minnesota Mining And Manufacturing Company	Foam-sealed electrical devices and method and composition therefor
DE3502265A1 (de) *	1985-01-24	1986-07-24	Bayer Ag, 5090 Leverkusen	Urethangruppen aufweisende diisocyanate, ein verfahren zu ihrer herstellung und ihre verwendung als bindemittel bzw. bindemittelkomponente in polyurethanlacken
WO1987000983A1 (en) *	1985-08-09	1987-02-12	Minnesota Mining And Manufacturing Company	Method for sealing electrical devices
IT1190432B (it) *	1985-12-10	1988-02-16	Montedison Spa	Compositi ad alta densita' a base essenzialmente poliisocianurica
DE3811350A1 (de) *	1988-04-02	1989-10-19	Bayer Ag	Verfahren zur herstellung von isocyanuratpolyisocyanaten, die nach diesem verfahren erhaltenen verbindungen und ihre verwendung
AT394370B (de) *	1990-04-24	1992-03-25	Chemie Linz Gmbh	Verwendung von spirocyclischen borsaeureestern als flammhemmer in kunststoffen, flammhemmend ausgeruestete kunststoffe sowie spirocyclische borsaeureester
DE4015155A1 (de) *	1990-05-11	1991-11-14	Bayer Ag	Verfahren zur herstellung von isocyanuratpolyisocyanaten, die nach diesem verfahren enthaltenen verbindungen und ihre verwendung
WO1993005109A1 (en) *	1991-09-05	1993-03-18	Minnesota Mining And Manufacturing Company	Preparation of polyurethane compositions
US5212306A (en) *	1992-09-18	1993-05-18	Air Products And Chemicals, Inc.	Amine-borate and amine-boron halide complexes as catalyst compositions for the production of polyurethanes
US5905151A (en) *	1993-02-18	1999-05-18	Bayer Corporation	Trimer catalyst for aliphatic and aromatic isocyanates
DE19529406A1 (de) *	1995-08-10	1997-02-13	Henkel Kgaa	Polyurethan-Prepolymer mit NCO-Gruppen
US6258918B1 (en)	1998-04-22	2001-07-10	3M Innovative Properties Company	Flexible polyurethane material
RU2433912C2 (ru) *	2006-06-14	2011-11-20	Хантсмэн Интернэшнл Ллс	Композитная панель
TW201113301A (en) *	2009-10-01	2011-04-16	Ind Tech Res Inst	Multi-isocyanate prepolymer
EP3569624A1 (de)	2018-05-17	2019-11-20	Basf Se	Verfahren zur herstellung von isocyanuratgruppen aufweisenden polyisocyanaten und ihre verwendung
EP3617243A1 (de)	2018-08-31	2020-03-04	Basf Se	Verfahren zur herstellung von isocyanuratgruppen aufweisenden polyisocyanaten und ihre verwendung
WO2024052537A1 (en)	2022-09-09	2024-03-14	Sika Technology Ag	Polyisocyanurate plastics with rubber-like properties

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2993870A (en) *	1957-08-20	1961-07-25	Us Rubber Co	Process of trimerizing organic isocyanates
US3127404A (en) *	1960-04-04	1964-03-31		Iriethylenediamine addition product
US3255131A (en) *	1961-05-10	1966-06-07	Minnesota Mining & Mfg	Fluorochemical-containing varnishes
NL136661C (de) *	1962-08-09
DE1250640B (de) *	1962-09-17
US3380943A (en) *	1963-12-05	1968-04-30	Pfersee Chem Fab	Process for producing stable aqueous emulsions of compounds containing perfluoralkyl groups and emulsions produced
US3429856A (en) *	1964-09-14	1969-02-25	Du Pont	Polyurethanes cured with 4,4'-methylene-bis-(o-trifluoromethylaniline)
US3284413A (en) *	1964-12-16	1966-11-08	Mobay Chemical Corp	Prepolymer isocyanurate resins
GB1146661A (en) *	1965-04-29	1969-03-26	Ici Ltd	Foamed polymers
US3413271A (en) *	1966-04-28	1968-11-26	Monsanto Res Corp	Fluorine-containing polyurethane polymers
US3450755A (en) *	1967-02-23	1969-06-17	Minnesota Mining & Mfg	Perfluoroalkyl sulfonamides and carboxamides
US3458571A (en) *	1967-04-06	1969-07-29	Minnesota Mining & Mfg	Fluorocarbon polyamines
DE1770914A1 (de) *	1968-07-19	1972-01-13	Bayer Ag	Kunststoffe auf Isocyanatbasis
US3635848A (en) *	1969-07-10	1972-01-18	Minnesota Mining & Mfg	Isocyanurates, polyisocyanurates and polyurethanes and their preparation using as a catalyst a coordination compound of an organic borate ester and an alkali or alkaline earth metal

1969
- 1969-07-10 US US840854A patent/US3635848A/en not_active Expired - Lifetime
- 1969-07-10 US US840834A patent/US3697485A/en not_active Expired - Lifetime
1970
- 1970-03-16 US US020012A patent/US3880782A/en not_active Expired - Lifetime
- 1970-07-09 CH CH1041570A patent/CH558398A/de not_active IP Right Cessation
- 1970-07-09 FR FR7025471A patent/FR2054389A5/fr not_active Expired
- 1970-07-09 BE BE753203D patent/BE753203A/xx unknown
- 1970-07-09 FR FR7025472A patent/FR2054390A5/fr not_active Expired
- 1970-07-09 CH CH1041670A patent/CH544129A/de not_active IP Right Cessation
- 1970-07-09 DE DE19702034171 patent/DE2034171A1/de active Pending
- 1970-07-09 GB GB3348470A patent/GB1317163A/en not_active Expired
- 1970-07-09 DE DE19702034166 patent/DE2034166A1/de active Pending
- 1970-07-09 GB GB3348370A patent/GB1323312A/en not_active Expired
- 1970-07-09 BE BE753204D patent/BE753204A/xx not_active IP Right Cessation
- 1970-07-09 JP JP45060260A patent/JPS5248160B1/ja active Pending

Also Published As

Publication number	Publication date
GB1323312A (en)	1973-07-11
FR2054390A5 (de)	1971-04-16
DE2034171A1 (de)	1971-01-14
US3697485A (en)	1972-10-10
CH558398A (de)	1975-01-31
US3635848A (en)	1972-01-18
JPS5248160B1 (de)	1977-12-07
US3880782A (en)	1975-04-29
FR2054389A5 (de)	1971-04-16
GB1317163A (en)	1973-05-16
BE753204A (fr)	1971-01-11
BE753203A (fr)	1971-01-11
DE2034166A1 (de)	1971-01-21

Publication	Publication Date	Title
CH544129A (de)	1973-11-15	Verfahren zur Herstellung von geschäumten Polyurethanen
CH533148A (de)	1973-01-31	Verfahren zur Herstellung von Schaumstoffen
AT297323B (de)	1972-03-27	Verfahren zur Herstellung von Polyurethanen
CH544093A (de)	1973-11-15	Verfahren zur Herstellung von O-Acyl-lysergolen
AT300371B (de)	1972-07-25	Verfahren zur Herstellung von Polyurethanen
AT311680B (de)	1973-11-26	Verfahren zur Herstellung von Polyurethanschaumstoffen
CH522013A (de)	1972-04-30	Verfahren zur Herstellung von Polyurethan-Schaumstoffen
AT296609B (de)	1972-02-25	Verfahren zur Herstellung von Polyurethanen
AT299545B (de)	1972-06-26	Verfahren zur Herstellung von nicht geschäumten Polyurethanen
CH543553A (de)	1973-10-31	Verfahren zur Herstellung von Poly-amid-imid-estern
AT327566B (de)	1976-02-10	Verfahren zur herstellung von polyurethanschaumstoffen
AT298814B (de)	1972-05-25	Verfahren zur Herstellung von Schaumstoffen
AT329277B (de)	1976-05-10	Verfahren zur herstellung von polyurethanschaumstoffen
CH535272A (de)	1973-03-31	Verfahren zur Herstellung von Harnstoff-Formaldehyd-Schaumstoffen
AT306715B (de)	1973-04-25	Verfahren zur Herstellung von ω-Lactamen
AT331034B (de)	1976-07-26	Verfahren zur herstellung von polyurethanschaumstoffen
AT295168B (de)	1971-12-27	Verfahren zur Herstellung von flammwidrigen Polyurethanhartschäumen
AT300840B (de)	1972-08-10	Verfahren zur Herstellung von Organo-H-silanen
CH543487A (de)	1973-10-31	Verfahren zur Herstellung von Adamantylharnstoffen
CH544808A (de)	1973-11-30	Verfahren zur Herstellung von Negamycin
CH522012A (de)	1972-04-30	Verfahren zur Herstellung von Polyurethanen
CH533087A (de)	1973-01-31	Verfahren zur Herstellung von Isocyanaten
AT291600B (de)	1971-07-26	Verfahren zur Herstellung von Polyurethanschaumstoffen
CH544758A (de)	1973-11-30	Verfahren zur Herstellung von Lysergolen
CH504530A (de)	1971-03-15	Verfahren zur Herstellung von Cytidin-diphosphat-cholin

Legal Events

Date	Code	Title	Description
1990-03-30	PL	Patent ceased