Patent · US Expired

Polyurethane casein coating composition

US3943252A · kind A · utility

5Cited by

3References

10Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Walter Schroer · Leverkusen, DE
Helmut Reiff
Dieter Dieterich
Karl Berger · Wien, AT

Key dates

Filing date	Feb 25, 1974
Grant date	Mar 9, 1976
Priority date	—
Expiry date	Feb 25, 1994

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/273
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Compositions suitable for coating leather or textile materials are provided which compositions are the reaction product of (a) solubilized casein (b) water-dispersible polyurethane and (c) formaldehyde.

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