Patent · US Expired

Process for the production of polyesters for air-drying unsaturated polyester resins

US4163093A · kind A · utility

8Cited by

0References

2Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Bernhard Hess · Moers, DE
Klaus Kraft · Heidelberg, DE

Key dates

Filing date	Oct 5, 1977
Grant date	Jul 31, 1979
Priority date	—
Expiry date	Oct 5, 1997

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G63/676
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Highly reactive unsaturated polyesters for air-drying polyester resins can be obtained by reacting .beta.,.gamma.-ethylenically unsaturated ether alcohols with a polyester precondensate.

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