Patent · US Expired

Coating composition containing UV-curable urethane (meth)acrylates containing isocyanate groups and urethane (meth)acrylates containing hydroxyl groups

US6500876B2 · kind B2 · utility

11Cited by

7References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Jan Weikard · Neunburg vorm Wald, DE
Michael Sonntag · Odenthal, DE
Holger Mundstock · Wermelskirchen, DE

Key dates

Filing date	Mar 16, 2001
Grant date	Dec 31, 2002
Priority date	—
Expiry date	Mar 16, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31551
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to coating compositions containing:a) urethane (meth)acrylates that contain (meth)acryloyl groups and free isocyanate groups,b) urethane (meth)acrylates that contain (meth)acryloyl groups and free hydroxyl groups,c) the UV initiators that initiate radical polymerization andd) optionally, one or more compounds that react with isocyanates.

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