Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Walter Renz0
Mervin Wood0
Nancy Cliff0
Ramanathan Ravichandran0
Andrea Roberts0
David Bramer0
Eugene Sitzman0
Joseph Suhadolnik0
Date of Patent
February 6, 2007
0Patent Application Number
108384730
Date Filed
May 4, 2004
0Patent Primary Examiner
Patent abstract
Photo-curable coating formulations which comprise a durable and/or red-shifted reactable hydroxyphenylbenzotriazole ultraviolet light absorber (UVA) are effectively photocured employing a combination of α-hydroxy ketone and bisacylphosphine oxide photoinitiators. The reactable UVA's are reacted into the coating upon curing. The combination of the photoinitiators bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide and 1-hydroxycyclohexylphenylketone is especially effective for this purpose.
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