The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 2001
Filed:
Aug. 29, 2000
Applicant:
Inventors:
Armin Stamm, Mainz, DE;
Jochem Henkelmann, Mannheim, DE;
Hans-Jürgen Weyer, Bobenheim-Roxheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 1/702 ;
U.S. Cl.
CPC ...
C07C 1/702 ;
Abstract
In a continuous process for preparing propargyl chloride by reacting propargyl alcohol with a chlorinating agent in the presence of a catalyst, the chlorinating agent, propargyl alcohol and from 0.1 to 10 mol % of the catalyst, based on the amount of propargyl alcohol, are continuously metered into a reaction zone and reacted at from 40 to 70° C.