Patent · US Expired

Universally compatible pigment dispersants

US5652316A · kind A · utility

27Cited by

7References

8Claims

0Family size

Assignee

Roehm GmbH Chemische Fabrik · DE

Inventors

Michael W. May · Crystal Lake, US
Werner Hoss · Shanghai, CN
Gerhard Markert · Ober-Ramstadt, DE
Werner Siol · Pfungstadt, DE

Key dates

Filing date	Dec 20, 1995
Grant date	Jul 29, 1997
Priority date	—
Expiry date	Dec 20, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F220/12
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

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##

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.