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:
Nov. 21, 1989
Filed:
May. 18, 1988
Applicant:
Inventors:
Evan D Laganis, Wilmington, DE (US);
Alden D West, Hendersonville, NC (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430522 ; 430581 ; 430584 ; 430944 ; 430945 ;
Abstract
A photographic element useful as a laser medical recording film, for example, is described. This element has near infrared sensitivity and is characterized by having an absorbing layer with an absorbing dye as described herein present as an antihalation backing layer.