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:
Jul. 29, 1997
Filed:
Dec. 20, 1995
Applicant:
Inventors:
Michael May, Griesheim, DE;
Werner Hoss, Heusenstamm, DE;
Gerhard Markert, Ober-Ramstadt, DE;
Werner Siol, Darmstadt, DE;
Assignee:
Roehm GmbH Chemische Fabrik, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526312 ; 526264 ; 526265 ; 526270 ;
Abstract
The invention is a copolymer P, dispersant for dyes and/or pigments in standard plastic substances SK, wherein P exhibits a universal compatibility with standard plastics SK, with the feature that copolymer P is synthesized from monomer units: (m1) methyl methacrylate, (m2) (meth)acrylate of formula I: ##STR1## (m3) (meth)acryl compound of formula II: ##STR2## and optionally (m4) methacrylate of formula III: ##STR3##