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:
Aug. 23, 1994
Filed:
Dec. 16, 1993
Steven Evans, Rochester, NY (US);
Noel R Vanier, Fort Collins, CO (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A cyan dye-donor element for thermal dye transfer imaging comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, wherein the dye comprises a mixture of at least three different 2-carbamoyl-4-[N-(p-aminoaryl)-imino]-1,4-naphthoquinone dyes, each of the dyes having the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each individually represents a substituted or unsubstituted alkyl group of from 1 to about 6 carbon atoms, a substituted or unsubstituted cycloalkyl group of from about 5 to about 7 carbon atoms, a substituted or unsubstituted aryl group of from about 5 to about 10 carbon atoms or an allyl group;