Patent · US Expired

Colorant formulation

US4782111A · kind A · utility

2Cited by

1References

2Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Peter Klein · Burns Lake, CA
Bernd Dewald · Idstein, DE
Wolfgang Teige · Kelkheim, DE

Key dates

Filing date	Dec 5, 1986
Grant date	Nov 1, 1988
Priority date	—
Expiry date	Dec 5, 2006

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2467/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A colorant formulation is described for mass-coloring high-melting polyesters. It comprises colorant and support for the colorant. The colorant formulation has a recrystallization exotherm of 8 to 55 joule/g between 210.degree. C. and 150.degree. C.

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