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:
Dec. 20, 1994
Filed:
Dec. 21, 1993
Applicant:
Inventors:
Horst Westfal, Belm, DE;
Andreas Diekmann, Hagen, DE;
Assignee:
Felix Schoeller, Jr. Papierfabriken, Osnabruck, DE;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430539 ; 4284111 ; 428484 ; 430523 ; 430930 ;
Abstract
A support material for light sensitive materials is disclosed which has an anticurl layer on the back which contains at least a hardening agent and a bone gelatin that has been degraded by enzymatic action, and the gelatin has more than 40% low molecular fractions having a molecular weight of less than 100,000 and a gel strength of 200-250 g Bloom.