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. 26, 1994
Filed:
Dec. 23, 1991
Applicant:
Inventors:
Assignee:
Konica Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
430533 ; 428482 ; 428483 ; 428516 ; 428520 ; 428910 ; 430528 ; 430529 ; 430535 ; 430536 ;
Abstract
Disclosed is a biaxially stretched polyester film which comprises a polyester film and a coating layer composed of a resin composition comprising (A) an acrylic polymer and/or (B) a polyester copolymer and at least (C) a polymer containing a monomer having a sulfonic acid group neutralized with an organic amine in its recurring unit or (D) a polymer containing a monomer having a sulfonic acid group neutralized with ammonium on at least one surface of the polyester film.