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:
May. 26, 1998
Filed:
May. 22, 1996
Applicant:
Inventors:
Clemens Auschra, Mainz, DE;
Horst Pennewiss, Darmstadt, DE;
Assignee:
Roehm GmbH Chemische Fabrik, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
508469 ; 508470 ; 525309 ; 526320 ;
Abstract
A composition comprising a carrier and a comb copolymer made by copolymerizing a polyalkyl (meth)acrylate macromonomer, present in an amount of 10-90 wt %, with the following monomers in a total amount of 90-10 wt %: