The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 2010
Filed:
Jul. 10, 2003
Rinaldo Hüsler, Basel, CH;
André Fuchs, Schliengen-Obereggenen, DE;
Rinaldo Hüsler, Basel, CH;
André Fuchs, Schliengen-Obereggenen, DE;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
The invention relates to novel photoinitiators of formula (I) wherein A is —O—, —CH, CH(CH)— or —C(CH), and R is methyl or trimethylsilyl, and R may in addition be hydrogen when A is simultaneously the group —C(CH). The invention relates also to compositions comprising (A) at least one ethylenically unsaturated compound, (B) a photoinitiator of formula (I), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators. Compositions comprising (A) an ethylenically unsaturated compound that contains at least one aminoacrylate, (B) a photoinitiator of formula (II) or (III), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators.