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. 16, 1991
Filed:
Oct. 03, 1988
Applicant:
Inventors:
Tetsuya Ashida, Tokyo, JP;
Touru Noda, Matsudo, JP;
Assignee:
Mitsubishi Paper Mills Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; G03C / ; C08L / ;
U.S. Cl.
CPC ...
428340 ; 428513 ; 428575 ; 428498 ; 427 42 ; 427 40 ; 427 41 ; 2841761 ; 430532 ; 430538 ; 430537 ;
Abstract
A photographic support having an undercoating layer on a resin coated base sheet, said undercoating layer comprising (a) a hydrophilic colloid, and (b) a special amphoteric surface active agent, or (a) a hydrophilic colloid, (b') a p-hydroxybenzoic acid ester and/or a special amphoteric surface active agent and (c) a special isothiazoline-3-one compound, provides excellent coating and adhesive properties to a photographic emulsion layer formed on the undercoating layer.