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:
Apr. 06, 1993
Filed:
Feb. 01, 1991
Osamu Takahashi, Kanagawa, JP;
Yoshio Seoka, Kanagawa, JP;
Hidetoshi Kobayashi, Kanagawa, JP;
Tsumoru Ishii, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A light-sensitive silver halide material composed of a support having thereon at least one light-sensitive silver halide emulsion layer, at least one layer of the light-sensitive silver halide emulsion layer or an adjacent layer thereof containing an oil droplet dispersion in a hydrophilic binder, the oil droplets containing the combination of (a) a polymer insoluble in water and soluble in an organic solvent; (b) a high boiling point organic solvent having a viscosity at 25.degree. C. of at least 500 cp and a boiling point of at least 120.degree. C.; and (c) at least one coupler capable of forming a non-diffusible cyan dye by a coupling reaction with an oxidized form of a primary aromatic amine developing agent.