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:
Mar. 05, 2002
Filed:
Dec. 14, 2000
Applicant:
Inventors:
Wilfried Paulen, Marl, DE;
Rainer Elm, Marl, DE;
Werner Freitag, Dorsten, DE;
Martina Ortelt, Marl, DE;
Wolfgang Sasse, Haltern, DE;
Karin Sokolowski, Gelsenkirchen, DE;
Assignee:
Degussa AG, Duesseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/32 ;
U.S. Cl.
CPC ...
C08F 8/32 ;
Abstract
A water-soluble or water-dispersible binder based on polybutadienes which is modified with at least 5% by weight of maleic anhydride and wherein at least 30% of the anhydride groups are present as imide groups from reaction with an amino carboxylic acid.