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. 27, 2004
Filed:
Dec. 20, 2002
Applicant:
Inventors:
YuanQiao Rao, Rochester, NY (US);
Jehuda Greener, Rochester, NY (US);
Robert H. Fehnel, Rochester, NY (US);
Michael R. Brickey, Webster, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 1/795 ; G03C 1/93 ; B32B 2/706 ; B32B 2/736 ; B29C 5/500 ;
U.S. Cl.
CPC ...
G03C 1/795 ; G03C 1/93 ; B32B 2/706 ; B32B 2/736 ; B29C 5/500 ;
Abstract
This invention relates to a PET-based photographic multilayer film base having improved properties with regard to cutting, stiffness and post-process curl. In particular, the polyester film base comprises a biaxially-stretched multilayer film structure, in which layers a specified amount of monomeric units derived from 1,4-cyclohexanedimethanol (CHDM), sulfonic-acid-substituted aromatic dicarboxylic acid and poly(alkylene glycol) is present.