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. 03, 1990
Filed:
Jun. 30, 1988
Applicant:
Inventors:
Richard L Daubendiek, Rochester, NY (US);
Timothy R Gersey, Rochester, NY (US);
Gary S Proehl, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430569 ; 430567 ;
Abstract
The present invention is directed to a process of precipitating for use in photography a thin tabular grain silver bromide or bromoiodide emulsion within a novel range of low bromide ion concentrations (high pBr levels) at the nucleation stage. A variety of advantages can be realized, including thinner and/or larger diameter tabular grains and novel tabular grain forms.
Daubendiek, Richard. (1990). Nucleation of tabular grain emulsions at high pbr (U.S. Patent No. 4914014). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4914014
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile