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. 05, 2005
Filed:
Oct. 30, 2003
Applicants:
Luca Ceruti, Savona, IT;
Simona Fava, Genoa, IT;
Inventors:
Luca Ceruti, Savona, IT;
Simona Fava, Genoa, IT;
Assignee:
Ferrania, S.p.A., Savona, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C001/005 ; G03C001/494 ;
U.S. Cl.
CPC ...
Abstract
A silver halide emulsion which comprises silver halide tabular grains showing an average thickness lower than 0.15 μm, an average diameter of at least 1.20 μm and an average aspect ratio of at least 8:1 dispersed in a hydrophilic colloid mixture comprising from 10% to 30% by weight of dextran, from 20% to 40% by weight of a hydrogenated polysaccharide having an average molecular weight equal to or lower than 10,000, and from 40% to 60% by weight of gelatin and photographic element comprising it.