BE791298A - Procede de preparation d'isocyanates - Google Patents

Procede de preparation d'isocyanates

Info

Publication number
BE791298A
BE791298A BE791298DA BE791298A BE 791298 A BE791298 A BE 791298A BE 791298D A BE791298D A BE 791298DA BE 791298 A BE791298 A BE 791298A
Authority
BE
Belgium
Prior art keywords
preparation process
isocyanate preparation
isocyanate
preparation
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Basf 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.)
Publication date
Publication of BE791298A publication Critical patent/BE791298A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
    • C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2602/00—Systems containing two condensed rings
    • C07C2602/36—Systems containing two condensed rings the rings having more than two atoms in common
    • C07C2602/42—Systems containing two condensed rings the rings having more than two atoms in common the bicyclo ring system containing seven carbon atoms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE791298D 1971-11-16 Procede de preparation d'isocyanates BE791298A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2156761A DE2156761C3 (de) 1971-11-16 1971-11-16 Verfahren zur Herstellung von Isocyanaten

Publications (1)

Publication Number Publication Date
BE791298A true BE791298A (fr) 1973-05-14

Family

ID=5825226

Family Applications (1)

Application Number Title Priority Date Filing Date
BE791298D BE791298A (fr) 1971-11-16 Procede de preparation d'isocyanates

Country Status (7)

Country Link
US (1) US3852317A (de)
JP (1) JPS5638586B2 (de)
BE (1) BE791298A (de)
CH (1) CH568966A5 (de)
DE (1) DE2156761C3 (de)
FR (1) FR2161655A5 (de)
GB (1) GB1400871A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096166A (en) * 1975-02-04 1978-06-20 E. I. Du Pont De Nemours And Company Process for the preparation of carbamates of N-hydroxythioimidates
US4146550A (en) * 1976-08-05 1979-03-27 Bayer Aktiengesellschaft Process for the preparation of an aliphatic monoisocyanate
DE2639931C2 (de) * 1976-09-04 1984-12-13 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von aliphatischen Monoisocyanaten
FR2406627A1 (fr) * 1977-10-20 1979-05-18 Poudres & Explosifs Ste Nale Procede de fabrication d'isocyanates d'alkyle
US4391758A (en) * 1982-04-19 1983-07-05 Spaziante Placido M Process for methyl isocyanate production
JPS6262283U (de) * 1985-10-07 1987-04-17
JPH0574183U (ja) * 1992-03-06 1993-10-08 矢崎総業株式会社 ステッピングモータ
CN108689882A (zh) * 2018-04-24 2018-10-23 江苏蓝丰生物化工股份有限公司 叔丁基异氰酸酯的合成方法
US20220274915A1 (en) * 2019-08-29 2022-09-01 Sumitomo Chemical Company, Limited Method for producing isocyanate compound

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3465023A (en) * 1965-12-07 1969-09-02 Gen Mills Inc Preparation of nonaromatic polyisocyanates
US3641094A (en) * 1968-03-12 1972-02-08 Bayer Ag Preparation of isocyanates

Also Published As

Publication number Publication date
DE2156761C3 (de) 1975-01-02
FR2161655A5 (de) 1973-07-06
DE2156761A1 (de) 1973-06-07
US3852317A (en) 1974-12-03
CH568966A5 (de) 1975-11-14
GB1400871A (en) 1975-07-16
DE2156761B2 (de) 1974-05-22
JPS5638586B2 (de) 1981-09-08
JPS4857919A (de) 1973-08-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BADISCHE ANILIN- & SODAFABRIK A.G.

Effective date: 19871130