Patent · US Expired

Opaque polyester copolymer coated articles

US3933875A · kind A · utility

20Cited by

5References

5Claims

0Family size

Assignee

BASF Farben Fasern Aktiengesellschaft · DE

Inventors

Horst Brose · Münster, DE
Karl Dieter Depping
Dietrich Hentschel
Bernard Kostevc
Klaus Schmidt

Key dates

Filing date	Mar 1, 1973
Grant date	Jan 20, 1976
Priority date	—
Expiry date	Mar 1, 1993

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31786
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Opaque coatings and molded articles are produced from normally transparent copolymer compositions of unsaturated polyesters and monomers therefore by using from about 3 percent to less than 45 percent by weight of unsaturated polyesters based on the total weight of the composition.

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