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:
May. 06, 2008
Filed:
Jul. 17, 2003
Applicants:
Andreas Bacher, Burghausen, DE;
Kurt Stark, Burgkirchen, DE;
Thomas Kornek, Burghausen, DE;
Inventors:
Assignee:
Wacker Polymer Systems GmbH & Co. KG, Burghausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/12 (2006.01); C08F 8/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to polyvinyl alcohols and polyvinyl acetals which contain silane and can be obtained by means of a) radical polymerization of at least one vinyl ester of unbranched or branched alkyl carboxylic acids comprising between 1 and 18 C atoms, in the presence of aldehydes containing silane or the hemiacetals or full acetals thereof, b) saponification of the vinyl ester polymers obtained thereby, and optionally c) acetalation of the partially saponified or fully saponified vinyl ester polymers.