AU477106B2 - Production of isocyanates from esters of carbamic acids (urethanes) - Google Patents

Production of isocyanates from esters of carbamic acids (urethanes)

Info

Publication number
AU477106B2
AU477106B2 AU67801/74A AU6780174A AU477106B2 AU 477106 B2 AU477106 B2 AU 477106B2 AU 67801/74 A AU67801/74 A AU 67801/74A AU 6780174 A AU6780174 A AU 6780174A AU 477106 B2 AU477106 B2 AU 477106B2
Authority
AU
Australia
Prior art keywords
urethanes
isocyanates
esters
production
carbamic acids
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU67801/74A
Other versions
AU6780174A (en
Inventor
Rosenthal John George Zajicek Rudolph
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atlantic Richfield Co
Original Assignee
Atlantic Richfield Co
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
Application filed by Atlantic Richfield Co filed Critical Atlantic Richfield Co
Publication of AU6780174A publication Critical patent/AU6780174A/en
Application granted granted Critical
Publication of AU477106B2 publication Critical patent/AU477106B2/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/04Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AU67801/74A 1973-05-04 1974-04-11 Production of isocyanates from esters of carbamic acids (urethanes) Expired AU477106B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US35730173A 1973-05-04 1973-05-04
USUS357,301 1973-05-04
US44929174A 1974-03-08 1974-03-08
USUS449,291 1974-03-08

Publications (2)

Publication Number Publication Date
AU6780174A AU6780174A (en) 1975-10-16
AU477106B2 true AU477106B2 (en) 1976-10-14

Family

ID=26999595

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67801/74A Expired AU477106B2 (en) 1973-05-04 1974-04-11 Production of isocyanates from esters of carbamic acids (urethanes)

Country Status (21)

Country Link
JP (1) JPS5030832A (en)
AR (1) AR202301A1 (en)
AU (1) AU477106B2 (en)
CA (1) CA1023379A (en)
CH (1) CH598199A5 (en)
DD (1) DD112990A5 (en)
DE (1) DE2421503B2 (en)
ES (1) ES425950A1 (en)
FR (1) FR2228056B1 (en)
GB (1) GB1458595A (en)
HU (1) HU171538B (en)
IL (1) IL44694A (en)
IN (1) IN141148B (en)
LU (1) LU69986A1 (en)
MY (1) MY7700322A (en)
NL (1) NL7405881A (en)
NO (1) NO140794C (en)
PH (1) PH11683A (en)
RO (1) RO63097A (en)
SE (1) SE419539B (en)
YU (1) YU120074A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219624A (en) * 1975-08-07 1977-02-15 Mitsui Toatsu Chem Inc Process for preparation of isocyanates
JPS5488222A (en) * 1977-12-20 1979-07-13 Mitsubishi Chem Ind Ltd Preparation of isocyanate from carbamate
DE2819826A1 (en) 1978-05-05 1979-11-08 Bayer Ag PROCESS FOR THE PRODUCTION OF URETHANES
JPS5576484U (en) * 1978-11-13 1980-05-26
DE3009489A1 (en) 1980-03-12 1981-09-17 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING URETHANES
US4487713A (en) * 1981-06-26 1984-12-11 Exxon Research & Engineering Co. Production of isocyanates from esters of aromatic carbamic acids (urethanes)
JPH02231461A (en) * 1989-03-06 1990-09-13 Mitsubishi Gas Chem Co Inc Production of xylene diisocyanate
DE4141402A1 (en) * 1991-12-16 1993-06-17 Bayer Ag METHOD FOR PRODUCING HIGH-PURITY AROMATIC DI- AND / OR POLYURETHANES
DE10209095A1 (en) 2002-03-01 2003-09-11 Basf Ag Process for the preparation of isocyanates
WO2011078000A1 (en) * 2009-12-24 2011-06-30 三井化学株式会社 Method for treatment of isocyanate residue, and method for treatment of carbonate

Also Published As

Publication number Publication date
ES425950A1 (en) 1976-09-16
JPS5030832A (en) 1975-03-27
IL44694A0 (en) 1974-06-30
FR2228056A1 (en) 1974-11-29
NO140794C (en) 1979-11-14
MY7700322A (en) 1977-12-31
LU69986A1 (en) 1974-11-28
AU6780174A (en) 1975-10-16
FR2228056B1 (en) 1979-02-09
DE2421503A1 (en) 1974-11-21
NO741607L (en) 1974-11-05
RO63097A (en) 1978-06-15
CA1023379A (en) 1977-12-27
GB1458595A (en) 1976-12-15
IL44694A (en) 1978-06-15
NO140794B (en) 1979-08-06
DE2421503B2 (en) 1978-12-21
NL7405881A (en) 1974-11-06
AR202301A1 (en) 1975-05-30
SE419539B (en) 1981-08-10
IN141148B (en) 1977-01-22
HU171538B (en) 1978-02-28
PH11683A (en) 1978-05-19
YU120074A (en) 1982-06-18
DD112990A5 (en) 1975-05-12
CH598199A5 (en) 1978-04-28

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