Patent · US Expired

Dispersions of powders in unsaturated polyesters

US4222927A · kind A · utility

4Cited by

6References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Hansjochen Schulz-Walz
Bernhard Hess · Moers, DE
Johannes Beckers · Amsterdam, NL
Werner Kloker · Krefeld, DE

Key dates

Filing date	Jul 6, 1978
Grant date	Sep 16, 1980
Priority date	—
Expiry date	Jul 6, 1998

Classification

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

Abstract

.alpha.,.beta.-Ethylenically unsaturated polyesters obtained from dicarboxylic acids and monohydric and dihydric alcohols having acid numbers of 1-50 and hydroxyl numbers of 10-80, 1,5-2,5 mols of dicarboxylic acids and 1,5-2,5 mols of monohydric alcohols having been employed, per mol of diols, in their preparation, are an excellent basis for dispersions containing powdery insoluble substances.

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