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Method for producing thiochloroformates
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Document Number
US Patent 6162939
Issued Date
December 19, 2000
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Inventors
Weyer; Hans-Jurgen
(Bobenheim-Roxheim,DE)
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Stamm; Armin
(Mainz,DE)
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Weber; Theodor
(Ludwigshafen,DE)
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Henkelmann; Jochem
(Mannheim,DE)
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Abstract
A catalyst used for preparing thiochloroformates by reacting thiols with phosgene is a cyclic urea or cyclic thiourea which may be in the form of a salt obtainable by reaction with a hydrohalic acid or phosgene.
Patent Report
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method
producing
thiochloroformates
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Description:
Amusing 0%
Clever 0%
Complex 0%
Efficient 0%
Historic 0%
Important 0%
Innovative 0%
Interesting 0%
Practical 0%
Simple 0%
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Number of Claims:
9
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Owner
BASF Aktiengesellschaft
(Ludwigshafen,DE)
Published
December 19, 2000
Application Number
09/485,842
Filed
February 17, 2000
US Classification
558/250
558/257
Int'l Classification
C07C 329/00 (20060101) C07C 329/02 (20060101)
Examiner
Ambrose; Michael G.
Attorney/Law Firm
Keil & Weinkauf
Priority Data
Aug 28, 1997 [DE] 197 37 619
USPTO Field of Search
558/250 558/257
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