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:
Sep. 29, 1987
Filed:
May. 12, 1986
Applicant:
Inventor:
John J Cael, Shrewsbury, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03G / ;
U.S. Cl.
CPC ...
430-1 ; 430-2 ; 430281 ; 430919 ; 430926 ; 430945 ; 430327 ; 430331 ; 522 25 ; 522-4 ; 522 28 ; 522120 ; 522182 ; 427 12 ; 427 531 ;
Abstract
Novel photopolymerizable compositions are provided which comprise a dye sensitizer, a linear polyethylenimine as a polymerization initiator and a free radical polymerizable ethylenic unsaturated monomer. In the preferred embodiments, the linear polyethylenimine is used in combination with lithium acrylate.