FR2192096A1 - Aromatic isocyanates prepn - from nitro, nitroso, azo or azoxy cpds with carbon monoxide, using cobalt carbonyl catalysts - Google Patents

Aromatic isocyanates prepn - from nitro, nitroso, azo or azoxy cpds with carbon monoxide, using cobalt carbonyl catalysts

Info

Publication number
FR2192096A1
FR2192096A1 FR7324778A FR7324778A FR2192096A1 FR 2192096 A1 FR2192096 A1 FR 2192096A1 FR 7324778 A FR7324778 A FR 7324778A FR 7324778 A FR7324778 A FR 7324778A FR 2192096 A1 FR2192096 A1 FR 2192096A1
Authority
FR
France
Prior art keywords
azoxy
prepn
cpds
nitroso
azo
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.)
Withdrawn
Application number
FR7324778A
Other languages
English (en)
French (fr)
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of FR2192096A1 publication Critical patent/FR2192096A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/14—Preparation of derivatives of isocyanic acid by catalytic reaction of nitro compounds with carbon monoxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polyurethanes Or Polyureas (AREA)
FR7324778A 1972-07-06 1973-07-05 Aromatic isocyanates prepn - from nitro, nitroso, azo or azoxy cpds with carbon monoxide, using cobalt carbonyl catalysts Withdrawn FR2192096A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6808572A JPS4926249A (cs) 1972-07-06 1972-07-06

Publications (1)

Publication Number Publication Date
FR2192096A1 true FR2192096A1 (en) 1974-02-08

Family

ID=13363537

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7324778A Withdrawn FR2192096A1 (en) 1972-07-06 1973-07-05 Aromatic isocyanates prepn - from nitro, nitroso, azo or azoxy cpds with carbon monoxide, using cobalt carbonyl catalysts

Country Status (5)

Country Link
JP (1) JPS4926249A (cs)
DE (1) DE2334532A1 (cs)
FR (1) FR2192096A1 (cs)
IT (1) IT991674B (cs)
NL (1) NL7309527A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115660A1 (en) * 1982-06-25 1984-08-15 Indian Explosives Limited Process for the preparation of isocyanates

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523602A (en) * 1978-06-23 1980-02-20 Ricoh Co Ltd Read-in and delivery system of document information
JPS5683125A (en) * 1979-12-07 1981-07-07 Sony Corp Data extracting circuit
JPS5662449A (en) * 1979-10-26 1981-05-28 Sony Corp Data pickup circuit
JPS5940862U (ja) * 1982-09-07 1984-03-15 日本電気株式会社 ピ−ク値電圧検出回路
KR910006373B1 (ko) * 1988-06-11 1991-08-21 삼성전자 주식회사 잡음 제거 레벨 자동 조정 회로

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3523964A (en) * 1967-04-10 1970-08-11 Olin Corp Preparation of aromatic isocyanates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115660A1 (en) * 1982-06-25 1984-08-15 Indian Explosives Limited Process for the preparation of isocyanates

Also Published As

Publication number Publication date
JPS4926249A (cs) 1974-03-08
NL7309527A (cs) 1974-01-08
DE2334532A1 (de) 1974-01-24
IT991674B (it) 1975-08-30

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Legal Events

Date Code Title Description
ST Notification of lapse