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:
May. 02, 1995
Filed:
Sep. 20, 1993
Applicant:
Inventors:
Assignee:
AGFA-Gevaert, N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430501 ; 430533 ; 430535 ; 430637 ; 528293 ; 528295 ; 528301 ;
Abstract
A photographic material comprising at least one silver halide emulsion layer and a copolyester support-said copolyester comprising polyether group(s) in the side chain is disclosed. Preferably the copolyester is prepared by copolycondesing diol moieties that comprise a polyether group substituted with a sulfonic acid group in acid or salt form into the copolyester.