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:
Jun. 19, 2018
Filed:
Dec. 04, 2014
Applicant:
Wacker Chemie Ag, München, DE;
Inventors:
Assignee:
Wacker Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/12 (2006.01);
U.S. Cl.
CPC ...
C08F 8/12 (2013.01); C08F 8/12 (2013.01); C08F 18/08 (2013.01);
Abstract
A method for producing polyvinyl alcohols by means of catalytic reactions of alcoholic polyvinyl ester solutions in extruders, wherein the polyvinyl esters are based exclusively on ethylenically unsaturated monomers and wherein one or more neutralizing agents are added to the product of the catalytic reaction.