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:
Dec. 12, 2006
Filed:
Aug. 13, 2002
Jean-pierre Wolf, Maisprach, CH;
Gebhard Hug, Rheinfelden, CH;
Jean-Pierre Wolf, Maisprach, CH;
Gebhard Hug, Rheinfelden, CH;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
Compounds of formula (I), wherein A is S or O; x is 0 or 1; a is SRor N(R)(R); Rand Rare C–Calkyl, OR, CFor halogen; R, Rand Rare hydrogen, C–Calkyl, ORor halogen; or two of the radicals RRRRand/or Rtogether form C–Coalkylene uninterrupted or interrupted by O, S or NR; R, RRand Rare hydrogen, C–Calkyl; C–Calkyl which is interrupted one or more times by non-consecutive O atoms and unsubstituted or substituted by OH and/or SH, or R, R, Rand Rg are OR; halogen; or phenyl unsubstituted or substituted one or more times by C-Calkyl; R, Rand Rare e.g. hydrogen; X is e.g. (II), and R; have one of the meanings given for Rand R; and R', R′ and Rs′ have one of the meanings given for R, Rand R; are suitable as photoinitiators, especially for irradiation with light of relatively long wavelengths