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:
Feb. 08, 2005
Filed:
Mar. 27, 2001
Applicants:
Volker Schädler, Mannheim, DE;
David Christie, Mannheim, DE;
Roland Ettl, Hassloch, DE;
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
D21H019/56 ;
U.S. Cl.
CPC ...
Abstract
In paper coating slips containing, as a binder, a copolymer which is obtainable by free radical polymerization of ethylenically unsaturated compounds, at least one of the ethylenically unsaturated compounds is a polymer having at least one copolymerizable ethylenically unsaturated group, a number average molecular weight of from 500 to 50000 g/mol and at least one carboxyl group (referred to below as ethylenically unsaturated polymer for short).