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:
Jun. 13, 1995
Filed:
Mar. 15, 1994
Applicant:
Inventors:
Philippe Strauel, Givry, FR;
Gerard A Friour, Chalon-sur-Saone, FR;
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430569 ; 430567 ;
Abstract
The invention concerns a process for obtaining emulsions of the core/shell type having a low fog level. The process consists of precipitating, by the double jet method, a photographic emulsion comprising core-shell silver halide grains, the concentrations of halides varying progressively during at least the formation of the core. Application to reversal or negative photographic products is disclosed.
Strauel, Philippe. (1995). Process for preparing photographic emulsions having a low fog level (U.S. Patent No. 5424181). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5424181
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile