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:
Oct. 03, 1995
Filed:
Aug. 15, 1994
Applicant:
Inventors:
Zbyslaw R Owczarczyk, Webster, NY (US);
Xiqiang Yang, Webster, NY (US);
Daniel L Kapp, Rochester, NY (US);
Wojciech K Slusarek, Rochester, NY (US);
Louis E Friedrich, Rochester, NY (US);
David T Southby, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430222 ; 430223 ; 430543 ; 430557 ; 430559 ; 430562 ; 430955 ; 430958 ;
Abstract
Photographic elements are described which contain a release compound that during photographic processing provides an imagewise distribution of a nucleophile which can react with a uniform distribution of a blocked dye moiety contained in the element to release an unblocked dye.