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. 15, 1979
Filed:
Jun. 22, 1977
Applicant:
Inventors:
Yuzuru Sato, Hachioji, JP;
Masao Asano, Tokyo, JP;
Masao Ishihara, Hino, JP;
Sadatugu Terada, Hachioji, JP;
Assignee:
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
96 77 ; 96-3 ; 96 2 / ; 96 8 / ; 96114 ;
Abstract
A color diffusion transfer photographic unit is disclosed which contains a silver halide photosensitive element having a support and at least one silver halide emulsion layer thereon and an image receiving element having a support and an image receiving layer thereon wherein the unit contains a polymer having a first monomer which contains a tertiary nitrogen atom wherein at least 5 mole % of said first monomer is grafted and/or graft-copolymerized with a second monomer which is a vinyl monomer having a tertiary or quaternary nitrogen.