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:
Sep. 17, 1996
Filed:
Apr. 18, 1995
Applicant:
Inventors:
Manabu Kimura, Matsuyama, JP;
Hideshi Kurihara, Matsuyama, JP;
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; C08G / ; B32B / ;
U.S. Cl.
CPC ...
428480 ; 430533 ; 528305 ;
Abstract
A base film for a photographic film, which (A) consists essentially of polyethylene-2,6-naphthalenedicarboxylate containing naphthoic acid unit in an amount, in terms of methyl naphthoate, of 2 to 1,000 ppm, (B) has a light transmittance, T.sub.400, of at least 95%/cm at a wavelength of 400 nm when a solution of 10 mg/ml of the polyethylene-2,6-naphthalenedicarboxylate in a hexafluoroisopropanol/chloroform mixed solvent having a hexafluoroisopropanol/chloroform weight ratio of 2/3 is measured, (C) has a yellow index Y.sub.ID of at most S, and (D) has a haze value of 2.0% or less.