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:
Apr. 26, 1994
Filed:
Nov. 12, 1992
Applicant:
Inventors:
Eginhard Steiner, Fullinsdorf, CH;
Harry Beyeler, Basel, CH;
Martin Riediker, Rorbas, CH;
Vincent Desobry, Marly, CH;
Kurt Dietliker, Fribourg, CH;
Rinaldo Husler, Wunnewil, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ; C07F / ;
U.S. Cl.
CPC ...
430281 ; 430947 ; 430923 ; 522 26 ; 522 66 ; 502152 ; 502156 ; 502155 ; 556 53 ; 556 11 ; 544-4 ; 544 64 ; 544225 ; 546-2 ; 546-4 ; 546 11 ; 546 12 ; 549-3 ; 549206 ;
Abstract
Titanocenes of the formula I ##STR1## in which R.sup.1 are cyclopentadienyl.sup..crclbar. groups and R.sup.2 and R.sup.3 are aromatic radicals which are substituted in both ortho-positions by fluorine and, in addition, are substituted by an acyloxy group are suitable as photoinitiators for the photopolymerization of ethylenically unsaturated compounds.