Bierman & Bierman
Dye image forming process using shifted azo dye developer
 A process for forming a dye image on a receiving element by diffusion transfer from a photosensitive element is disclosed wherein the exposed photosensitive element is processed with an alkaline solution in the presence of a particular dye developer having at least one azo radical. 
Mitsubishi Chemical Industries Limited Konishiroku Photo Industry Co., Ltd.
C G C C
C09B G03C C09B C09B
inventional inventional inventional inventional
Yuzuru Kazumasa Tadanori Naoshi Noboru Ryuichiro Kenji
Sato Watanabe Oya Kunieda Mizukura Kobayashi Yoshida