ZA806551B - Process for the preparation of n,o-disubstituted urethanes useful for the preparation of isocyanates - Google Patents

Process for the preparation of n,o-disubstituted urethanes useful for the preparation of isocyanates

Info

Publication number
ZA806551B
ZA806551B ZA00806551A ZA806551A ZA806551B ZA 806551 B ZA806551 B ZA 806551B ZA 00806551 A ZA00806551 A ZA 00806551A ZA 806551 A ZA806551 A ZA 806551A ZA 806551 B ZA806551 B ZA 806551B
Authority
ZA
South Africa
Prior art keywords
preparation
isocyanates
disubstituted
urethanes
useful
Prior art date
Application number
ZA00806551A
Other languages
English (en)
Inventor
K Koenig
R Fauss
K Findeisen
P Heitkaemper
R Sundermann
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=6084591&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA806551(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 ZA806551B publication Critical patent/ZA806551B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C271/06—Esters of carbamic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Peptides Or Proteins (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
ZA00806551A 1979-10-27 1980-10-24 Process for the preparation of n,o-disubstituted urethanes useful for the preparation of isocyanates ZA806551B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792943551 DE2943551A1 (de) 1979-10-27 1979-10-27 Verfahren zur herstellung von n,o-disubstituierten urethanen, sowie ihre verwendung zur herstellung von isocyanaten

Publications (1)

Publication Number Publication Date
ZA806551B true ZA806551B (en) 1981-11-25

Family

ID=6084591

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00806551A ZA806551B (en) 1979-10-27 1980-10-24 Process for the preparation of n,o-disubstituted urethanes useful for the preparation of isocyanates

Country Status (10)

Country Link
US (1) US4430505A (cs)
EP (1) EP0027953B2 (cs)
JP (1) JPS56103152A (cs)
AT (1) ATE2514T1 (cs)
AU (1) AU538536B2 (cs)
BR (1) BR8006913A (cs)
CA (1) CA1144564A (cs)
DE (2) DE2943551A1 (cs)
ES (1) ES496235A0 (cs)
ZA (1) ZA806551B (cs)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917569A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aromatischen di- und polyurethanen
US4851565A (en) * 1979-04-30 1989-07-25 Basf Aktiengesellschaft Catalyzed process for the preparation of an aliphatic, cycloaliphatic, arylaliphatic or aliphatic-cycloaliphatic di- or polyurethane
DE2917493A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aliphatischen und cycloaliphatischen di- und polyurethanen
DE3110573A1 (de) * 1981-03-18 1982-10-21 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von n- und o-substituierten di- und/oder polyurethanen
US5247121A (en) * 1989-05-23 1993-09-21 L'oreal Alkyl esters of n-carboalkyloxy amino-11-undecanoic acids, their processes of preparation and their use as thickening agents
FR2647445B1 (fr) * 1989-05-23 1991-08-30 Oreal Acides n-carboalkyloxy amino-11 undecanoiques et leurs esters, leurs procedes de preparation et leur utilisation en tant qu'agents epaississants
US5179223A (en) * 1990-12-13 1993-01-12 Union Carbide Chemicals & Plastics Technology Corporation Process for producing carbamates from oximes
US5126476A (en) * 1991-01-25 1992-06-30 Arco Chemical Technology, L.P. Process for the preparation of aryl-, heteroaryl-, or cycloalkyl-substituted alkyl urethanes and isocyanates
DE4342426A1 (de) * 1993-12-13 1995-06-14 Bayer Ag Verfahren zur Herstellung von Diurethanen und ihre Verwendung zur Herstellung von Diisocyanaten
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
DE4441176A1 (de) 1994-11-18 1996-05-23 Bayer Ag Allophanatgruppen aufweisende Polyisocyanate
DE19523386A1 (de) * 1995-06-23 1997-01-09 Bayer Ag Verfahren zur Entfernung von Nebenprodukten aus Diurethanen
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
WO2008120645A1 (ja) 2007-03-30 2008-10-09 Asahi Kasei Chemicals Corporation 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
WO2009139062A1 (ja) 2008-05-15 2009-11-19 旭化成ケミカルズ株式会社 イソシアネートの製造方法
KR20130127553A (ko) * 2008-05-15 2013-11-22 아사히 가세이 케미칼즈 가부시키가이샤 탄산디아릴을 이용하는 이소시아네이트의 제조 방법
CN102471244B (zh) * 2009-08-21 2014-09-24 旭化成化学株式会社 N-取代氨基甲酸酯的制造方法、使用该n-取代氨基甲酸酯制造异氰酸酯的方法、以及含有n-取代氨基甲酸酯和芳香族羟基化合物的n-取代氨基甲酸酯的输送用和储藏用组合物
JP5518605B2 (ja) * 2010-07-07 2014-06-11 三井化学株式会社 トルエンジカルバメートの製造方法、トルエンジイソシアネートの製造方法、および、トルエンジカルバメート
SG192555A1 (en) * 2011-02-21 2013-09-30 Asahi Kasei Chemicals Corp Process for producing carbonyl compounds

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3627813A (en) 1969-02-03 1971-12-14 Upjohn Co A process of preparing carbamates
US4178455A (en) 1977-07-25 1979-12-11 Mitsui Toatsu Chemicals, Incorporated Process for preparing aromatic urethanes
CA1121374A (en) * 1979-04-30 1982-04-06 Franz Merger Process for the preparation of an aryl mono-, di-, and/or polyurethane
US4375000A (en) * 1979-04-30 1983-02-22 Basf Aktiengesellschaft Process for the preparation of an aryl mono-, di-, and/or polyurethane
DE2917568A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aromatischen di- und polyurethanen
DE2943480A1 (de) 1979-10-27 1981-05-07 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von n,o-disubstituierten urethanen, sowie ihre verwendung als ausgangsmaterial zur herstellung von isocyanaten

Also Published As

Publication number Publication date
JPS56103152A (en) 1981-08-18
ES8106886A1 (es) 1981-09-16
JPH027944B2 (cs) 1990-02-21
ES496235A0 (es) 1981-09-16
DE3062060D1 (en) 1983-03-24
US4430505A (en) 1984-02-07
ATE2514T1 (de) 1983-03-15
AU6371480A (en) 1981-04-30
EP0027953B1 (de) 1983-02-16
EP0027953B2 (de) 1986-11-05
EP0027953A1 (de) 1981-05-06
DE2943551A1 (de) 1981-05-07
BR8006913A (pt) 1981-04-28
CA1144564A (en) 1983-04-12
AU538536B2 (en) 1984-08-16

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