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:
Sep. 06, 2005
Filed:
Aug. 03, 2001
Masayuki Kawakami, Kanagawa, JP;
Hiroshi Kitaguchi, Kanagawa, JP;
Masayuki Kawakami, Kanagawa, JP;
Hiroshi Kitaguchi, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A compound represented by the following formula (I) or a salt thereof:wherein Rand Rrepresent an alkyl group or an aryl group; Rto Rrepresent hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, a halogen atom, cyano group, carboxyl group or sulfo group; Xand Xrepresent an alkyl group having 1 to 15 carbon atoms or an aryl group, and the total number of carboxyl groups existing in Xand Xis 4 or less; mto mrepresents 0 or 1; Lto Lrepresent a methine group; M represents hydrogen atom, a metal or a quaternary ammonium salt; Y represents nonmetallic elements required to form a 5- to 10-membered heterocyclic ring; and n represents an integer of 1 to 7 required to neutralize charge, which is useful for manufacture of silver halide photographic light-sensitive materials.