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:
Feb. 04, 1992
Filed:
Jun. 11, 1990
Applicant:
Inventors:
Joseph W Gibson, Jr, Wilmington, DE (US);
Anthony J Bart, Cherry Hill, NJ (US);
Robert J Verbiar, West Chester, PA (US);
S Andries Sebastian, Hixson, TN (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ; G03F / ;
U.S. Cl.
CPC ...
430306 ; 430309 ; 430328 ; 1014631 ;
Abstract
A process for substantially improving dimensional stability in photopolymeric flexographic relief printing plates wherein the surface of the printing plate is post-exposed to a high intensity radiation source having broad wavelength emission in the 200 to 700 nm range.