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:
Dec. 06, 1983
Filed:
Sep. 27, 1982
Applicant:
Inventors:
Massashi Kubbota, Tokyo, JP;
Touru Noda, Tokyo, JP;
Assignee:
Mitsubishi Paper Mills, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; D21D / ;
U.S. Cl.
CPC ...
430206 ; 430538 ; 430566 ; 430536 ; 162158 ;
Abstract
The present invention relates to a photographic material containing at least one kind of silver halogenide developer in at least one stratum of photograph-constructing layer provided on a support prepared by coating a paper base material with a film-formable resin wherein said paper base material for support is treated with at least one member selected from the group consisting of aminomethanesulfonic acid and its salts. When it is used, the discoloration in said photographic material can be prevented.