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:
Dec. 31, 1991
Filed:
Feb. 12, 1990
Applicant:
Inventors:
Michael Fryd, Moorestown, NJ (US);
Ernst Leberzammer, Glen Mills, PA (US);
David W Swatton, N. Middletown, NJ (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ; G03F / ;
U.S. Cl.
CPC ...
430273 ; 430271 ; 430325 ;
Abstract
The present invention concerns a plasticized polyvinyl alcohol release composition for an aqueous or semi-aqueous processible flexographic printing plate comprising: