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. 12, 1990
Filed:
Nov. 27, 1989
Richard L Parton, Rochester, NY (US);
David A Stegman, Churchville, NY (US);
Ralph W Jones, Jr, Hilton, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A infrared absorbing filter dye that also imparts a cool image tone after processing is disclosed for use in photographic elements. The dye has the formula: ##STR1## where Z and Z' each independently represents the atoms necessary to complete a substituted or unsubstituted: thiazole nucleus, selenazole nucleus, indole nucleus, imidazole nucleus, or quinoline nucleus, R.sub.1 and R.sub.2 each independently substituted or unsubstituted alkyl or substituted or unsubstituted aryl, Z' represents the atoms necessary to complete a substituted or unsubstituted heterocyclic ring, Q represents the atoms necessary to complete a substituted or unsubstituted carbocyclic ring, m and n each independently represents 0 or 1, and X represents a counterion as needed to balance the charge of the molecule.