Patent · US Expired

Rutile mixed phase pigments with improved coloristic properties

US4919723A · kind A · utility

2Cited by

3References

9Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Volker Wilhelm · Bensberg, DE
Manfred Mansmann

Key dates

Filing date	Nov 21, 1988
Grant date	Apr 24, 1990
Priority date	—
Expiry date	Nov 21, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2002/52
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Chromium-antimony-rutile mixed phase pigments containing from 0.01 to 0.25% by weight of lithium are surprisingly insensitive to rapid cooling and chilling and are used for coloring plastic compositions such as polyamide or ABS plastics.

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