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:
Jan. 29, 2008
Filed:
Oct. 11, 2005
Huibert Albertus Van Boxtel, Tilburg, NL;
Akira Kase, Tilburg, NL;
Yasuo Iwasa, Tilburg, NL;
Yuzo Toda, Goirle, NL;
Huibert Albertus van Boxtel, Tilburg, NL;
Akira Kase, Tilburg, NL;
Yasuo Iwasa, Tilburg, NL;
Yuzo Toda, Goirle, NL;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A color photographic material is disclosed comprising a black image forming coupler substituted in the 2, 4 and/or 6 position shown by formula (I) or formula (II), where in LINK represents a divalent linking group, BALL represents a group that prevents the coupler from diffusing away from the layer containing it. X and Y each represent a hydrogen atom or a coupling-off group capable of being released upon an oxidative coupling reaction with a developing agent. The material has a good color reproduction and excellent light stability.