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:
Jul. 29, 2008
Filed:
Dec. 06, 2005
Applicants:
Eckhard Hausmann, Hannover, DE;
Oalf Boese, Hannover, DE;
Johannes Eicher, Sehnde-Ilten, DE;
Inventors:
Assignee:
Solvay Fluor GmbH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a method or producing haloalkenone ethers by addition of a carboxylic acid halide to a vinyl ether and subsequent elimination of hydrogen halide, the improvement comprising carrying out the reaction in the absence of a base and/or in the presence of a stabilizer for the resulting alkenone, whereby higher yields of the desired alkenone product can be obtained.