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:
Aug. 10, 1976
Filed:
Dec. 02, 1974
Applicant:
Inventors:
Nicholas Heap, Runcorn, EN;
Jozef Nemcek, Runcorn, EN;
Assignee:
Imperial Chemical Industries Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
20415915 ; 9611 / ; 20415918 ; 20415923 ; 20415924 ; 260 / ; 260 / ; 2608 / ; 260861 ; 260864 ; 260865 ; 260872 ; 526260 ; 526312 ; 526321 ; 526328 ; 526330 ; 526341 ; 526346 ;
Abstract
A photopolymerizable composition comprising a polymerizable ethylenically unsaturated material and a photosensitizer, said photosensitizer being an addition product of an organic 1,2,3-triketone and an organic alcohol or organic mercaptan, said addition product having the formula ##EQU1## or ##EQU2## where the groups R and R.sub.1 may be same or different and each is a hydrocarbyl group or a substituted hydrocarbyl group or the groups R when taken together form part or the whole of a cyclic structure.