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:
Aug. 19, 2003
Filed:
Apr. 13, 2000
Applicant:
Inventors:
Martin Jakob, Kelkheim, DE;
Richard Gutte, Frankfurt, DE;
Assignee:
Kuraray Specialities Europe GmbH, Franfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/07 ; C08L 2/904 ; C08F 8/28 ;
U.S. Cl.
CPC ...
C08K 5/07 ; C08L 2/904 ; C08F 8/28 ;
Abstract
Polyvinyl alcohol compositions in the form of an aqueous solution are disclosed, where the aqueous polyvinyl alcohol compositions include: (i) polyvinyl alcohol; (ii) at least one polyaldehyde having at least 3 carbon atoms and being masked completely as a water-soluble hydrogen sulfite adduct; and (iii) at least one compound which is acidic in water. The aqueous polyvinyl alcohol compositions are suitable as adhesives and for use in cast films.