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:
Oct. 12, 2004
Filed:
Mar. 29, 2002
Applicant:
Inventors:
Klaus Schnell, Neustadt, DE;
Michael Kerber, Weinheim, DE;
Eberhard Schupp, Grünstadt, DE;
Eckehardt Wistuba, Bad Dürkheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08L 3/104 ;
U.S. Cl.
CPC ...
C08L 3/104 ;
Abstract
The invention relates to the aqueous preparation of a polymer. Said preparation contains a copolymer consisting of a) 30 to 79.5 wt. % N-vinylpyrrolidone, b) 20 to 69.5 wt. % vinylacetate, c) 0.5 to 25 wt % of a monovinyl ester of a C to C monocarboxylic acid and d) 0 to 40 wt. % of an additional, copolymerisable, ethylenically unsaturated compound.