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. 11, 1993
Filed:
May. 14, 1991
Applicant:
Inventors:
Allen K Tsaur, Fairport, NY (US);
Mamie Kam-Ng, Fairport, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430567 ; 430569 ; 430637 ;
Abstract
A photographic emulsion is disclosed containing a coprecipitated grain population exhibiting a coefficient of variation of less than 10 percent. The coprecipitated grain population consists essentially of tabular grains which are at least 50 mole percent bromide, based on silver, and which have a mean thickness in the range of from 0.080 to 0.3 .mu.m, and a mean tabularity of greater than 8.