ZA806548B - Process for the preparation of urethanes - Google Patents

Process for the preparation of urethanes

Info

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
Application number
ZA00806548A
Other languages
English (en)
Inventor
S Penninger
P Heitkaemper
H Scholl
R Fauss
K Findeisen
Original Assignee
Bayer Ag
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6084590&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA806548(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of ZA806548B publication Critical patent/ZA806548B/xx

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)
  • Peptides Or Proteins (AREA)
  • Saccharide Compounds (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
ZA00806548A 1979-10-27 1980-10-24 Process for the preparation of urethanes ZA806548B (en)

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 (enExample)
EP (1) EP0028331B2 (enExample)
JP (1) JPS56103153A (enExample)
AT (1) ATE1999T1 (enExample)
AU (2) AU6343980A (enExample)
BR (1) BR8006863A (enExample)
CA (1) CA1148970A (enExample)
DE (2) DE2943550A1 (enExample)
ES (1) ES496236A0 (enExample)
ZA (1) ZA806548B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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
TWI361179B (en) * 2006-11-17 2012-04-01 Asahi Kasei Chemicals Corp A process for producing isocyanates
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
KR20130127550A (ko) 2008-05-15 2013-11-22 아사히 가세이 케미칼즈 가부시키가이샤 이소시아네이트의 제조 방법
WO2010116871A1 (ja) * 2009-04-09 2010-10-14 三井化学株式会社 ウレタン化合物およびその製造方法、および、イソシアネートおよびその製造方法
KR101332485B1 (ko) 2009-08-21 2013-11-26 아사히 가세이 케미칼즈 가부시키가이샤 Ｎ-치환 카르밤산 에스테르의 제조 방법 및 상기 ｎ-치환 카르밤산 에스테르를 사용하는 이소시아네이트의 제조 방법
TWI418373B (zh) * 2009-12-01 2013-12-11 Far Eastern New Century Corp 抗血小板貼附材料
EP2679575B1 (en) * 2011-02-21 2019-04-10 Asahi Kasei Kabushiki Kaisha Process for producing carbonyl compounds

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0028331A1 (de) 1981-05-13
AU538537B2 (en) 1984-08-16
EP0028331B2 (de) 1987-05-20
EP0028331B1 (de) 1982-12-15
BR8006863A (pt) 1981-04-28
ES8106887A1 (es) 1981-09-16
CA1148970A (en) 1983-06-28
AU6343980A (en) 1981-04-30
DE3061360D1 (en) 1983-01-20
ES496236A0 (es) 1981-09-16
JPH0128017B2 (enExample) 1989-05-31
AU6371580A (en) 1981-04-30
DE2943550A1 (de) 1981-05-14
US4480110A (en) 1984-10-30
ATE1999T1 (de) 1982-12-15
JPS56103153A (en) 1981-08-18

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