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. 14, 1992
Filed:
Feb. 22, 1990
Applicant:
Inventors:
Osamu Kojima, Tokyo, JP;
Massashi Kubbota, Misato, JP;
Assignee:
Mitsubishi Paper Mills Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; G03C / ;
U.S. Cl.
CPC ...
428218 ; 428513 ; 428516 ; 2641761 ; 430496 ; 430531 ; 430538 ; 427 44 ;
Abstract
The present invention provides a photographic support which comprises a base paper and polyolefin resin layers provided on both sides of the base paper by extrusion coating of molten polyolefin resins, wherein the polyolefin resin layer provided on the side of the base paper opposite to the side to be coated with photographic emulsion layer has multi-layer construction and a method for producing the photographic support. This photographic support is excellent in anticurl properties and adhesion between the base paper and the resin layer.