High contrast photographic element including an aryl sulfonamidophenyl hydrazide containing both thio and ethyleneoxy groups
申请人:EASTMAN KODAK COMPANY
公开号:EP0458707A1
公开(公告)日:1991-11-27
Silver halide photographic elements which are capable of high contrast development having incorporated therein, as a nucleating agent, an aryl sulfonamidophenyl hydrazide of the formula:
where R is a monovalent group comprised of at least three repeating ethyleneoxy units, m is 1 to 6, Y is a divalent aromatic radical, and R¹ is hydrogen or a blocking group.
具有高反差显影能力的卤化银感光元件,其成核剂为式中的芳基磺酰胺苯基酰肼:
其中 R 是由至少三个重复乙烯氧基单元组成的单价基团,m 是 1 至 6,Y 是二价芳香基,R¹ 是氢或封端基团。
High contrast photographic element including an aryl sulfonamidophenyl hydrazide containing an alkyl pyridinium group
申请人:EASTMAN KODAK COMPANY
公开号:EP0458708B1
公开(公告)日:1996-09-11
High contrast photographic element including an aryl sulfonamidophenyl
申请人:Eastman Kodak Company
公开号:US04988604A1
公开(公告)日:1991-01-29
Silver halide photographic elements which are capable of high contrast development having incorporated therein, as a nucleating agent, an aryl sulfonamidophenyl hydrazide of the formula: ##STR1## where R is a monovalent group comprised of at least three repeating ethyleneoxy units, m is 1 to 6, Y is a divalent aromatic radical, and R.sup.1 is hydrogen or a blocking group.