High contrast photographic element including an aryl sulfonamidophenyl hydrazide containing an alkyl pyridinium group,申请号US19900528628-传众专利搜索

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发明名称	High contrast photographic element including an aryl sulfonamidophenyl hydrazide containing an alkyl pyridinium group
摘要
申请公布号	US4994365(A)	申请公布日期	1991.02.19
申请号	US19900528628	申请日期	1990.05.24
申请人	EASTMAN KODAK COMPANY	发明人	LOOKER, JEROME J.;KERR, DONALD L.
分类号	G03C1/06;G03C1/10	主分类号	G03C1/06
代理机构		代理人
主权项
地址

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