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. 03, 1997
Filed:
Aug. 28, 1995
Applicant:
Inventors:
Donald P Specht, Rochester, NY (US);
Donald R Diehl, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430512 ; 430591 ; 430931 ;
Abstract
A substantially inert ultraviolet absorbing compound, and photographic elements containing them, which compound has a peak absorption at less than 400 nm and being of formula (I): ##STR1## wherein: X is O or NR.sub.8, Z represents the atoms necessary to complete a 5-membered or 6-membered heterocyclic ring which includes X and N, and the 3-position of the pyrazolone ring may independently be substituted or unsubstituted;
Quick Actions:
Specht, Donald. (1997). Ultraviolet absorbing compounds and photographic elements containing them (U.S. Patent No. 5635343). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5635343
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile