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. 23, 1990
Filed:
Mar. 02, 1989
Applicant:
Inventors:
Noriyuki Hosoi, Shizuoka, JP;
Toshimasa Usami, Shizuoka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430156 ; 430157 ; 430162 ; 430151 ; 430138 ; 430142 ; 503204 ; 503214 ; 503216 ; 503218 ;
Abstract
A multicolor recording material having on one side of a support at least two layers capable of producing colors different from each other in hue through respective color-producing reactions, which further has an interlayer constituted by a water-soluble polyanionic polymer having gelled through the interaction with a polycation between every adjacent two of said color-producing layers to prevent migration of ingredients from one color-producing layer to another.