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. 04, 1990
Filed:
May. 30, 1989
Applicant:
Inventors:
Harold I Machonkin, Webster, NY (US);
Donald L Kerr, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430264 ; 430415 ; 430434 ; 430436 ; 430438 ; 430637 ; 430949 ;
Abstract
Silver halide photographic elements which are capable of high contrast development, when processed in the presence of a hydrazine compound that functions as a nucleating agent, include certain secondary or tertiary amino compounds which function as incorporated boosters. Such elements are particularly useful in the field of graphic arts.
Machonkin, Harold. (1990). Photographic element comprising an ethyleneoxy-substituted amino (U.S. Patent No. 4975354). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4975354
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile