Patent · US Expired

Aqueous coating compositions, a process for their preparation and method of using the same

US4880867A · kind A · utility

57Cited by

22References

5Claims

0Family size

Assignee

501 Herberts Gesellschaft mit Beschrankter · DE

Inventors

Armin Gobel · Syke, DE
Knut Graff · Hattingen, DE
Hans-Ulrich Meier · Essen, DE
Hans-Peter Patzschke · Wuppertal, DE

Key dates

Filing date	Aug 18, 1987
Grant date	Nov 14, 1989
Priority date	—
Expiry date	Aug 18, 2007

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L75/04
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

An aqueous coating composition is provided which comprises a film forming material based on water dilutable binders which are comprised of a mixture of (A) 90 to 40% by weight of hydroxyl group-containing polymer resin; (B) 10 to 60% by weight of polyurethane dispersion and (C) pigments; as well as optionally conventional solvents, auxiliary agents, and additives. The process for the preparation of the coating composition and a method for the application of the coating composition are also described.

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