BR8006863A - Processo para a obtencao de uretanos e sua utilizacao com material de partida na obtencao de isocianatos - Google Patents

Processo para a obtencao de uretanos e sua utilizacao com material de partida na obtencao de isocianatos

Info

Publication number
BR8006863A
BR8006863A BR8006863A BR8006863A BR8006863A BR 8006863 A BR8006863 A BR 8006863A BR 8006863 A BR8006863 A BR 8006863A BR 8006863 A BR8006863 A BR 8006863A BR 8006863 A BR8006863 A BR 8006863A
Authority
BR
Brazil
Prior art keywords
obtaining
isocians
urethans
starting material
urethanes
Prior art date
Application number
BR8006863A
Other languages
English (en)
Portuguese (pt)
Inventor
S Penninger
R Fauss
H Scholl
P Heitkamper
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=BR8006863(A) "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 BR8006863A publication Critical patent/BR8006863A/pt

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)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Peptides Or Proteins (AREA)
  • Saccharide Compounds (AREA)
  • Amplifiers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Transmitters (AREA)
BR8006863A 1979-10-27 1980-10-24 Processo para a obtencao de uretanos e sua utilizacao com material de partida na obtencao de isocianatos BR8006863A (pt)

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
BR8006863A true BR8006863A (pt) 1981-04-28

Family

ID=6084590

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8006863A BR8006863A (pt) 1979-10-27 1980-10-24 Processo para a obtencao de uretanos e sua utilizacao com material de partida na obtencao de isocianatos

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) ES8106887A1 (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
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
JP4958971B2 (ja) 2007-03-30 2012-06-20 旭化成ケミカルズ株式会社 カルバミン酸エステルおよび芳香族ヒドロキシ化合物を含む組成物を用いるイソシアネートの製造方法、ならびにカルバミン酸エステル移送用および貯蔵用組成物
US8895774B2 (en) * 2008-05-15 2014-11-25 Asahi Kasei Chemicals Corporation Process for producing isocyanates using diaryl carbonate
CA2721359C (en) * 2008-05-15 2014-05-06 Asahi Kasei Chemicals Corporation Isocyanate production process
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
EP2322504B9 (en) 2009-08-21 2017-09-06 Asahi Kasei Kabushiki Kaisha Process for the preparation of n-substituted carbamic acid ester and process for the preparation of isocyanate 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
BR112013005752A2 (pt) * 2011-02-21 2016-05-03 Asahi Kasei Chemical Corp método para produzir um composto carbonila, e, para produzir um isocianato

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
EP0028331B2 (de) 1987-05-20
US4480110A (en) 1984-10-30
DE3061360D1 (en) 1983-01-20
AU538537B2 (en) 1984-08-16
JPH0128017B2 (enExample) 1989-05-31
ES496236A0 (es) 1981-09-16
CA1148970A (en) 1983-06-28
ES8106887A1 (es) 1981-09-16
AU6371580A (en) 1981-04-30
EP0028331B1 (de) 1982-12-15
JPS56103153A (en) 1981-08-18
EP0028331A1 (de) 1981-05-13
DE2943550A1 (de) 1981-05-14
AU6343980A (en) 1981-04-30
ATE1999T1 (de) 1982-12-15
ZA806548B (en) 1981-11-25

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