Patent · US Expired

Acrylate resins as binders for color concentrates

US4957987A · kind A · utility

9Cited by

6References

7Claims

0Family size

Assignee

Rohym GmbH · DE

Inventors

Manfred Krieg · Darmstadt, DE
Hans Lichtenstein · Reinheim, DE
Ludwig Hosch
Guenther Ittmann · Groß-Umstadt, DE

Key dates

Filing date	Apr 25, 1988
Grant date	Sep 18, 1990
Priority date	—
Expiry date	Apr 25, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2433/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Color concentrates comprising a colorant such as a pigment and a polymeric binder and polymeric binders therefor, said polymeric binders comprising: PA0 (a) 70-90 percent of methyl methacrylate, by weight of the polymer; PA0 (b) 10-20 percent of methyl acrylate; and PA0 (c) from 0 to 10 percent of at least one free radically polymerizable monomer of the formula ##STR1## wherein R.sub.1 is hydrogen or methyl and R.sub.2 is a moiety carrying a functonal group.

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