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:
Nov. 24, 2015
Filed:
Dec. 21, 2012
Applicant:
Solvay SA, Brussels, BE;
Inventors:
Assignee:
SOLVAY SA, Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/64 (2006.01); C07C 45/45 (2006.01); C07C 45/65 (2006.01); C07C 45/61 (2006.01); C07C 49/255 (2006.01);
U.S. Cl.
CPC ...
C07C 45/64 (2013.01); C07C 45/455 (2013.01); C07C 45/61 (2013.01); C07C 45/65 (2013.01); C07C 49/255 (2013.01);
Abstract
Process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium using an equipment having at least one surface in contact with the liquid reaction medium, wherein said surface consists of a material selected from glass, polytetrafluoroethylene and nickel based metal alloy.