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:
Feb. 13, 2007
Filed:
Aug. 25, 2005
Stephen P. Singer, Spencerport, NY (US);
Christopher Grote, St. Louis, MO (US);
Robert C. Stewart, Spencerport, NY (US);
John W. Harder, Rochester, NY (US);
David S. Ross, Rochester, NY (US);
Janet N. Younathan, Fairport, NY (US);
Louis Elbert Friedrich, Rochester, NY (US);
Stephen P. Singer, Spencerport, NY (US);
Christopher Grote, St. Louis, MO (US);
Robert C. Stewart, Spencerport, NY (US);
John W. Harder, Rochester, NY (US);
David S. Ross, Rochester, NY (US);
Janet N. Younathan, Fairport, NY (US);
Louis Elbert Friedrich, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
This invention relates to a multilayer silver halide photographic element, generally processed with phenylenediamine based developer solutions, comprising a support bearing a cyan dye image-forming unit comprised of at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, and a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one layer additionally contains a 2-substituted-5-amino-1-napthol DIR according to Formula (I): wherein: It has been found that such 2-substituted-5-amino-1-napthol based DIRs have improved properties and can provide a conventional silver halide photographic element with excellent image structure and color reproduction.