Patent · US Active

UV absorber-containing urethane acrylate

US9604943B2 · kind B2 · utility

1Cited by

11References

15Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Serguei Kostromine · Rheinbach, DE
Joachim Petzoldt · Monheim, DE
Wolfgang Fischer · Meerbusch, DE

Key dates

Filing date	Jan 27, 2014
Grant date	Mar 28, 2017
Priority date	—
Expiry date	Jan 27, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D175/16
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a UV absorber-comprising urethane acrylate, to a process for its preparation, and to the use thereof. The UV absorber is chemically bonded into the system. The UV absorber-comprising urethane acrylate has the formula (I):

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