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:
Dec. 28, 2004
Filed:
Oct. 15, 2002
Applicant:
Inventor:
Bernd Papenfuhs, Obertshausen, DE;
Assignee:
Kuraray Specialties Europe GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/14 ;
U.S. Cl.
CPC ...
C08F 8/14 ;
Abstract
The present invention relates to high-molecular-weight, crosslinked polyvinyl butyrals obtainable by crosslinking a polyvinyl butyral with at least one di- and/or polycarboxylic acid or derivatives of these as crosslinking reagent, to a process for their production, and to their use.