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:
May. 03, 1977
Filed:
Dec. 22, 1975
Felice Mary Cerquone, Denver, CO (US);
Rolf Steven Gabrielsen, Rochester, NY (US);
Roland George Willis, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
In a photothermographic element, composition or process for producing developed images employing processing with heat, a combination comprising (a) photographic silver halide in association with (b) an oxidation-reduction image-forming combination comprising (i) a silver salt oxidizing agent and (ii) a reducing agent which is a 2,6-dichloro or 2,6-dibromo-4-sulfonamidophenol such as the corresponding benzenesulfonamidophenol, and (c) a four equivalent color-forming coupler, and (d) a polymeric binder, provides an image in color. After imagewise exposure of the photothermographic element or composition, a color image can be developed by heating the photothermographic element or composition containing this combination. The combination can be in a diffusion transfer, photothermographic element.