Oxygen-containing titanocenes, and the use thereof

U.S. Patent Number: 5306600

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.

Inventors: Steiner; Eginhard (Fullinsdorf, CH); Beyeler; Harry (Basel, CH); Riediker; Martin (Rorbas, CH); Desobry; Vincent (Marly, CH); Dietliker; Kurt (Fribourg, CH); Husler; Rinaldo (Wunnewil, CH)

Assignee: Ciba-Geigy Corporation (Ardsley, NY)

Application Number: 07/975,042

Issued: 1994-04-26

Expired: 2006-04-26

Classes: 430/281.1 ; 430/923; 430/947; 502/152; 502/155; 502/156; 522/26; 522/66; 526/943; 544/225; 544/4; 544/64; 546/11; 546/12; 546/2; 546/4; 549/206; 549/3; 556/11; 556/53

Field of search: 430/281,947,923 522/29,66 502/152,156,155 556/53,11 544/4,64,225 546/2,4,11,12 549/3,206

Click the image above to view patent images at uspto.gov within a frame.

Click here for the fulltext page on uspto.gov within a frame.