CH518908A - Improved Process for the Production of Aromatic Isocyanates - Google Patents

Improved Process for the Production of Aromatic Isocyanates

Info

Publication number
CH518908A
CH518908A CH1127169A CH1127169A CH518908A CH 518908 A CH518908 A CH 518908A CH 1127169 A CH1127169 A CH 1127169A CH 1127169 A CH1127169 A CH 1127169A CH 518908 A CH518908 A CH 518908A
Authority
CH
Switzerland
Prior art keywords
production
improved process
aromatic isocyanates
isocyanates
aromatic
Prior art date
Application number
CH1127169A
Other languages
German (de)
Inventor
Otto Dr Arndt
Guenther Dr Semler
Georg Dr Schaeffer
Original Assignee
Hoechst 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
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of CH518908A publication Critical patent/CH518908A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1127169A 1968-07-25 1969-07-23 Improved Process for the Production of Aromatic Isocyanates CH518908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681793021 DE1793021B1 (en) 1968-07-25 1968-07-25 Process for the production of aromatic isocyanates

Publications (1)

Publication Number Publication Date
CH518908A true CH518908A (en) 1972-02-15

Family

ID=5707554

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1127169A CH518908A (en) 1968-07-25 1969-07-23 Improved Process for the Production of Aromatic Isocyanates

Country Status (6)

Country Link
BE (1) BE736575A (en)
CH (1) CH518908A (en)
DE (1) DE1793021B1 (en)
FR (1) FR2014723A1 (en)
GB (1) GB1222462A (en)
NL (1) NL162366C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4465639A (en) * 1983-01-26 1984-08-14 The Upjohn Company Process for polyisocyanates
DE3306845A1 (en) * 1983-02-26 1984-08-30 Bayer Ag, 5090 Leverkusen METHOD FOR THE PRODUCTION OF POLYISOCYANATES, THE POLYISOCYANATES OBTAINED BY THIS METHOD, AND THEIR USE FOR THE PRODUCTION OF POLYURETHANES OR POLYAMINES

Also Published As

Publication number Publication date
FR2014723A1 (en) 1970-04-17
BE736575A (en) 1970-01-26
NL6910802A (en) 1970-01-27
NL162366B (en) 1979-12-17
NL162366C (en) 1980-05-16
GB1222462A (en) 1971-02-17
DE1793021B1 (en) 1971-08-26

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Legal Events

Date Code Title Description
PL Patent ceased