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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Saccharide Compounds (AREA)
  • Peptides Or Proteins (AREA)
  • Solid Fuels And Fuel-Associated Substances (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 (cg-RX-API-DMAC7.html)
EP (1) EP0028331B2 (cg-RX-API-DMAC7.html)
JP (1) JPS56103153A (cg-RX-API-DMAC7.html)
AT (1) ATE1999T1 (cg-RX-API-DMAC7.html)
AU (2) AU6343980A (cg-RX-API-DMAC7.html)
BR (1) BR8006863A (cg-RX-API-DMAC7.html)
CA (1) CA1148970A (cg-RX-API-DMAC7.html)
DE (2) DE2943550A1 (cg-RX-API-DMAC7.html)
ES (1) ES8106887A1 (cg-RX-API-DMAC7.html)
ZA (1) ZA806548B (cg-RX-API-DMAC7.html)

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
JP4859255B2 (ja) * 2006-11-17 2012-01-25 旭化成ケミカルズ株式会社 イソシアネートの製造方法
TW200844080A (en) 2007-01-11 2008-11-16 Asahi Kasei Chemicals Corp Process for producing isocyanate
CA2682512C (en) 2007-03-30 2012-03-06 Asahi Kasei Chemicals Corporation Isocyanate production process using composition containing carbamic acid ester and aromatic hydroxy compound, and composition for transfer and storage of carbamic acid ester
CN102026965B (zh) * 2008-05-15 2014-02-26 旭化成化学株式会社 异氰酸酯的制造方法
BRPI0822695B1 (pt) * 2008-05-15 2017-05-02 Asahi Kasei Chemicals Corp processo para produzir um isocianato
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
CA2724634C (en) 2009-08-21 2013-09-10 Asahi Kasei Chemicals Corporation N-substituted carbamic acid ester production method and isocyanate production method using the n-substituted carbamic acid ester
TWI418373B (zh) * 2009-12-01 2013-12-11 Far Eastern New Century Corp 抗血小板貼附材料
CN103097348B (zh) * 2011-02-21 2015-10-14 旭化成化学株式会社 羰基化合物的制造方法

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
BR8006863A (pt) 1981-04-28
ES496236A0 (es) 1981-09-16
EP0028331A1 (de) 1981-05-13
ATE1999T1 (de) 1982-12-15
DE3061360D1 (en) 1983-01-20
ES8106887A1 (es) 1981-09-16
AU6371580A (en) 1981-04-30
AU538537B2 (en) 1984-08-16
DE2943550A1 (de) 1981-05-14
CA1148970A (en) 1983-06-28
AU6343980A (en) 1981-04-30
US4480110A (en) 1984-10-30
JPH0128017B2 (cg-RX-API-DMAC7.html) 1989-05-31
EP0028331B2 (de) 1987-05-20
EP0028331B1 (de) 1982-12-15
JPS56103153A (en) 1981-08-18

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