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:
Sep. 18, 1979
Filed:
Feb. 17, 1978
Applicant:
Inventors:
Rowland G Mowrey, Rochester, NY (US);
Edwin N Oftedahl, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
96 53 ; 96 73 ; 961141 ; 96 5 / ; 96 6 / ;
Abstract
A dry, activator sheet for a dry, thermal silver dye-bleach process, in the absence of a silver dye-bleach catalyst, comprises a support having thereon a nonvolatile, diffusible acid and a non-hydrolyzable polymeric vehicle having an effective pH up to 4.0 and a melting point lower than 200.degree. C. The activator sheet is useful to bleach a silver image containing a bleachable dye.