Bierman & Bierman
Photographic light-sensitive material
 A photographic light-sensitive material comprising a layer which contains a compound represented by the following Formula I ##STR1## wherein R.sub.1 is an alkyl group having 1 to 18 carbon atoms, R.sub.2 is a hydrogen atom or an alkyl group having 1 to 18 carbon atoms with a proviso that when R.sub.2 is a hydrogen atom, R.sub.1 is an alkyl group having 1 to 7 carbon atoms, M is a cation and n is a number of 1 to 50. 
Konishiroku Photo Industry Co., Ltd.
Y G G G
Y10S G03C G03C G03C
additional inventional inventional inventional
Masao Masaru Kazuo Mamoru Eiichi Naoto Kenichi Hiroshi Sadatugu
Ishihara Kanbe Nakazato Komiya Sakamoto Abe Kitahara Yamada Terada