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:
Jul. 20, 1999
Filed:
Jan. 14, 1998
Applicant:
Inventors:
Dennis J Massa, Pittsford, NY (US);
James M O'Reilly, Pittsford, NY (US);
Wen-Li A Chen, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
430533 ; 430536 ; 430523 ; 525146 ; 525462 ;
Abstract
A highly useful photographic film base containing a miscible blend of is polyester containing at least 30 weight percent cyclohexylene dimethanol, CHDM/EG-PE, and a polycarbonate containing bisphenols, BP-PC, in specified proportions. Photographic elements prepared with this film base have a lesser tendency to take core-set and post process curl than do elements prepared with polyester containing cyclohexylene dimethanol, CHDM/EG-PE, film base.