Patent · US Expired

Moulding compositions based on unsaturated polyesters, copolymerisable vinyl monomers and cellulose esters

US3940350A · kind A · utility

6Cited by

2References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Bernhard Hess · Moers, DE
Karl Raichle
Hansjochen Schulz-Walz
Bernd Peltzer · Krefeld, DE
Ludwig Bottenbruch · Krefeld, DE
Leonard Goerden

Key dates

Filing date	Jan 14, 1974
Grant date	Feb 24, 1976
Priority date	—
Expiry date	Jan 14, 1994

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L67/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polyester masses which are curable with low shrinkage containing non-crystallising unsaturated polyesters having a definite styrene compatibility, copolymerisable vinyl monomers and cellulose acetobutyrate and/or cellulose acetopropionate.

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