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:
Jan. 28, 2003
Filed:
Jan. 26, 2001
Applicant:
Inventors:
Hirokazu Koyama, Hino, JP;
Toshiaki Shibue, Hino, JP;
Assignee:
Konica Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/708 ; B32B 2/736 ;
U.S. Cl.
CPC ...
B32B 2/708 ; B32B 2/736 ;
Abstract
A support for rolled light-sensitive photographic materials is disclosed. The support is composed of at least three polyester films laminated, in which outer layers are comprised of copolyester; at least one interlayer is comprised of the mixture of said copolyester and homopolyester; the total film thickness is between 105 and 130 &mgr;pm; the total thickness of interlayers is between 45 and 85 &mgr;m; and the ratio of said copolyester in the mixture layer of said copolyester and said homopolyester is between 10 and 40 percent by weight.