ZA806548B - Process for the preparation of urethanes - Google Patents
Process for the preparation of urethanesInfo
- Publication number
- ZA806548B ZA806548B ZA00806548A ZA806548A ZA806548B ZA 806548 B ZA806548 B ZA 806548B ZA 00806548 A ZA00806548 A ZA 00806548A ZA 806548 A ZA806548 A ZA 806548A ZA 806548 B ZA806548 B ZA 806548B
- Authority
- ZA
- South Africa
- Prior art keywords
- urethanes
- preparation
- urea
- polyurets
- isocyanates
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Peptides Or Proteins (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792943550 DE2943550A1 (de) | 1979-10-27 | 1979-10-27 | Verfahren zur herstellung von urethanen und ihre verwendung als ausgangsmaterial zur herstellung von isocyanaten |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA806548B true ZA806548B (en) | 1981-11-25 |
Family
ID=6084590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00806548A ZA806548B (en) | 1979-10-27 | 1980-10-24 | Process for the preparation of urethanes |
Country Status (10)
Country | Link |
---|---|
US (1) | US4480110A (fr) |
EP (1) | EP0028331B2 (fr) |
JP (1) | JPS56103153A (fr) |
AT (1) | ATE1999T1 (fr) |
AU (2) | AU6343980A (fr) |
BR (1) | BR8006863A (fr) |
CA (1) | CA1148970A (fr) |
DE (2) | DE2943550A1 (fr) |
ES (1) | ES496236A0 (fr) |
ZA (1) | ZA806548B (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3110573A1 (de) * | 1981-03-18 | 1982-10-21 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von n- und o-substituierten di- und/oder polyurethanen |
US5194660A (en) * | 1990-12-21 | 1993-03-16 | Union Carbide Chemicals & Plastics Technology Corporation | Processes for producing carbamates and isocyanates |
US5512603A (en) * | 1994-02-22 | 1996-04-30 | Air Products And Chemicals, Inc. | Hydroxy and amino functional pyrrolizidine catalyst compositions for the production of polyurethanes |
DE19541384A1 (de) * | 1995-11-07 | 1997-05-15 | Basf Ag | Verfahren zur Herstellung von organischen Diurethanen und/oder Polyurethanen und ihre Verwendung zur Herstellung von Di- und/oder Polyisocyanaten |
DE19857532A1 (de) * | 1998-12-14 | 2000-06-15 | Degussa | Verfahren zur Herstellung von Carbamatoorganosilanen und Isocyanatoorganosilanen |
ATE495149T1 (de) * | 2006-11-17 | 2011-01-15 | Asahi Kasei Chemicals Corp | Verfahren zur herstellung von isocyanaten |
TW200844080A (en) | 2007-01-11 | 2008-11-16 | Asahi Kasei Chemicals Corp | Process for producing isocyanate |
CN101652344B (zh) | 2007-03-30 | 2014-06-04 | 旭化成化学株式会社 | 使用含有氨基甲酸酯和芳香族羟基化合物的组合物制造异氰酸酯的方法、以及氨基甲酸酯输送用和储藏用组合物 |
US8895774B2 (en) * | 2008-05-15 | 2014-11-25 | Asahi Kasei Chemicals Corporation | Process for producing isocyanates using diaryl carbonate |
US9233918B2 (en) * | 2008-05-15 | 2016-01-12 | Asahi Kasei Chemicals Corporation | Isocyanate production process |
WO2010116871A1 (fr) * | 2009-04-09 | 2010-10-14 | 三井化学株式会社 | Composé uréthane et son procédé de production, et isocyanate et son procédé de production |
CN102105439B (zh) | 2009-08-21 | 2016-04-20 | 旭化成化学株式会社 | N-取代氨基甲酸酯的制造方法和使用该n-取代氨基甲酸酯的异氰酸酯的制造方法 |
TWI418373B (zh) * | 2009-12-01 | 2013-12-11 | Far Eastern New Century Corp | 抗血小板貼附材料 |
KR101507251B1 (ko) * | 2011-02-21 | 2015-03-30 | 아사히 가세이 케미칼즈 가부시키가이샤 | 카르보닐 화합물의 제조 방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE753127C (de) * | 1940-09-28 | 1952-11-24 | Ig Farbenindustrie Ag | Verfahren zur Herstellung von Carbaminsaeureestern |
US2409712A (en) * | 1944-02-03 | 1946-10-22 | Du Pont | Chemical process and products |
US2806051A (en) * | 1955-11-01 | 1957-09-10 | Goodrich Co B F | Method for preparing urethanes by reacting urea, amines and an alcohol |
US2834799A (en) * | 1955-11-18 | 1958-05-13 | Frank J Sowa | Methods of producing esters of carbamic and carbonic acids |
BE792313A (fr) * | 1971-12-06 | 1973-03-30 | Quimco Gmbh | Procede de preparation de carbamates mono substitues sur l'atome d'azote et produits obtenus |
-
1979
- 1979-10-27 DE DE19792943550 patent/DE2943550A1/de not_active Withdrawn
-
1980
- 1980-10-15 EP EP80106249A patent/EP0028331B2/fr not_active Expired
- 1980-10-15 AT AT80106249T patent/ATE1999T1/de active
- 1980-10-15 DE DE8080106249T patent/DE3061360D1/de not_active Expired
- 1980-10-16 AU AU63439/80A patent/AU6343980A/en not_active Abandoned
- 1980-10-22 CA CA000362960A patent/CA1148970A/fr not_active Expired
- 1980-10-24 ZA ZA00806548A patent/ZA806548B/xx unknown
- 1980-10-24 ES ES496236A patent/ES496236A0/es active Granted
- 1980-10-24 BR BR8006863A patent/BR8006863A/pt unknown
- 1980-10-25 JP JP14890780A patent/JPS56103153A/ja active Granted
- 1980-10-27 AU AU63715/80A patent/AU538537B2/en not_active Ceased
-
1984
- 1984-01-09 US US06/569,533 patent/US4480110A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0128017B2 (fr) | 1989-05-31 |
EP0028331B2 (fr) | 1987-05-20 |
AU6371580A (en) | 1981-04-30 |
EP0028331A1 (fr) | 1981-05-13 |
ATE1999T1 (de) | 1982-12-15 |
BR8006863A (pt) | 1981-04-28 |
CA1148970A (fr) | 1983-06-28 |
AU538537B2 (en) | 1984-08-16 |
ES8106887A1 (es) | 1981-09-16 |
AU6343980A (en) | 1981-04-30 |
JPS56103153A (en) | 1981-08-18 |
ES496236A0 (es) | 1981-09-16 |
DE3061360D1 (en) | 1983-01-20 |
EP0028331B1 (fr) | 1982-12-15 |
DE2943550A1 (de) | 1981-05-14 |
US4480110A (en) | 1984-10-30 |
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