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. 07, 1978
Filed:
Dec. 27, 1976
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Abstract
In a color diffusion transfer photographic material which comprises a photosensitive element containing at least one silver halide emulsion layer having associated therein a non-diffusible dye image-providing material, an image-receiving element for immobilizing therein diffusible dye formed by the oxidation reaction of the dye image-providing material and a primary aromatic amino color developing agent to form dye images, and a processing composition for developing the exposed silver halide in the silver halide emulsion layer and transferring the diffusible dye formed into the image-receiving layer with at least one of the photosensitive elements, the image-receiving element or the processing composition containing a primary aromatic amino color developing agent or a precursor thereof, with the photosensitive element and/or the image-receiving element of the photographic material containing at least one of divinyl sulfone and a divinyl sulfone derivative represented by the formula (I): ##STR1## wherein B represents an atomic group necessary for forming an ammonium group, a sulfonium group or a phosphonium group; X.sup.- represents an acid anion; and n is 0, 1 or 2.