Patent · US Expired

Malonic acid ester/triazole mixed blocked HDI trimer/formaldehyde stabilization

US6559264B1 · kind B1 · utility

52Cited by

5References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Eberhard Konig · Kronberg, DE
Hans-Ulrich Meier-Westhues · Leverkusen, DE
Thomas Klimmasch · Leverkusen, DE

Key dates

Filing date	Aug 2, 2001
Grant date	May 6, 2003
Priority date	—
Expiry date	Aug 2, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2375/04
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to blocked polyisocyanate crosslinking agents, to the production thereof and to the use thereof in single-component stoving lacquers, particularly OEM clear lacquers (original equipment material, initial lacquer coating).

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