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:
Jun. 01, 1993
Filed:
May. 06, 1992
Applicant:
Inventors:
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430333 ; 430346 ; 430287 ; 430335 ; 430292 ; 430394 ; 430962 ; 430964 ; 430945 ; 430296 ;
Abstract
This invention relates to the preparation of a supported modulating film having a permanent yellow imaged layer of the homopolymer of a crystalline diacetylene cinnamate monomer ##STR1## and to the use of said film as a light modulator in the production of master printing plates or printed circuit boards.