DE59303834D1 - Process for the preparation of isocyanic acid by decomposing N, N-disubstituted ureas - Google Patents

Process for the preparation of isocyanic acid by decomposing N, N-disubstituted ureas

Info

Publication number
DE59303834D1
DE59303834D1 DE59303834T DE59303834T DE59303834D1 DE 59303834 D1 DE59303834 D1 DE 59303834D1 DE 59303834 T DE59303834 T DE 59303834T DE 59303834 T DE59303834 T DE 59303834T DE 59303834 D1 DE59303834 D1 DE 59303834D1
Authority
DE
Germany
Prior art keywords
decomposing
preparation
isocyanic acid
disubstituted ureas
ureas
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 - Fee Related
Application number
DE59303834T
Other languages
German (de)
Inventor
Kurt Alfred Dipl Ing Dr Hackl
Martin Dipl Ing Dr Muellner
Erich Schulz
Gerhard Dipl Ing Dr Stern
Heinz Prof Dr Falk
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.)
Patheon Austria GmbH and Co KG
Chemie Linz GmbH
Original Assignee
DSM Chemie Linz GmbH
Chemie Linz GmbH
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
Priority claimed from AT0163092A external-priority patent/AT398749B/en
Application filed by DSM Chemie Linz GmbH, Chemie Linz GmbH filed Critical DSM Chemie Linz GmbH
Application granted granted Critical
Publication of DE59303834D1 publication Critical patent/DE59303834D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/62—Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/001—Preparation by decomposing nitrogen-containing organic compounds, e.g. molasse waste or urea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE59303834T 1992-08-13 1993-07-21 Process for the preparation of isocyanic acid by decomposing N, N-disubstituted ureas Expired - Fee Related DE59303834D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0163092A AT398749B (en) 1992-08-13 1992-08-13 METHOD FOR PRODUCING ISOCYANIC ACID BY DEGRADING N, N-DISUBSTITUTED UREAS

Publications (1)

Publication Number Publication Date
DE59303834D1 true DE59303834D1 (en) 1996-10-24

Family

ID=3517573

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59303834T Expired - Fee Related DE59303834D1 (en) 1992-08-13 1993-07-21 Process for the preparation of isocyanic acid by decomposing N, N-disubstituted ureas

Country Status (8)

Country Link
KR (1) KR940003928A (en)
AT (1) ATE142988T1 (en)
DE (1) DE59303834D1 (en)
MX (1) MX9304899A (en)
SI (1) SI9300429A (en)
SK (1) SK71793A3 (en)
TW (1) TW278068B (en)
ZA (1) ZA935236B (en)

Also Published As

Publication number Publication date
ATE142988T1 (en) 1996-10-15
ZA935236B (en) 1994-03-02
SK71793A3 (en) 1994-06-08
MX9304899A (en) 1994-04-29
SI9300429A (en) 1995-04-30
KR940003928A (en) 1994-03-14
TW278068B (en) 1996-06-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee