Patent · US Expired

Pulverulent pigment preparation

US5681876A · kind A · utility

10Cited by

5References

18Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Manfred Schneider · Lichtenfels, DE
Dieter Schnaitmann · Eppstein, DE
Rainer Klein
Albert Munkel · Liederbach, DE

Key dates

Filing date	Jun 27, 1996
Grant date	Oct 28, 1997
Priority date	—
Expiry date	Jun 27, 2016

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2004/61
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Pulverulent pigment preparation comprising a) an organic or inorganic pigment, b) a compound from the group consisting of novolaks, alkoxylated fatty alcohols, bisphenol polyglycol ethers, alkoxylated fatty amines, alkoxylated fatty acids or the esterification and/or arylation products prepared from a natural or modified castor oil fatty compound, which are alkoxylated and, if desired, esterified with dicarboxylic acids to form linked structural repeating units, c) a water-soluble mixture of polyvinyl alcohol and vinyl alcohol or of vinyl alcohol copolymers, and d) further customary additives, the sum of all components being 100% by weight. Plasters and emulsion paints are pigmented by simply stirring in the pulverulent pigment preparation.

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