公开(公告)号：US4942229A

公开(公告)日：1990-07-17

申请号：US310595

申请日：1989-02-13

申请人： Kazumi Saeki ,  Masami Hirano ,  Kunihide Oka ,  Kazuto Tsukinuki ,  Setsuo Oikawa

发明人： Kazumi Saeki ,  Masami Hirano ,  Kunihide Oka ,  Kazuto Tsukinuki ,  Setsuo Oikawa

IPC分类号： C07D499/87 ,  C07D499/00 ,  C07D499/08 ,  C07D499/86 ,  C07D499/893 ,  C07D499/897

CPC分类号： C07D499/00 ,  G05B2219/25249

摘要： An improved process for the production of penicillic acid compounds, especially chloromethyl ester of penicillin G, penicillin V or sulbactam is disclosed.

公开(公告)号：US5096873A

公开(公告)日：1992-03-17

申请号：US503972

申请日：1990-04-04

申请人： Toshiaki Minami ,  Tadakazu Fukuchi ,  Toshio Kaneko ,  Fumio Fujimura ,  Kazuto Tsukinuki ,  Kazumi Saeki ,  Akira Shimada

发明人： Toshiaki Minami ,  Tadakazu Fukuchi ,  Toshio Kaneko ,  Fumio Fujimura ,  Kazuto Tsukinuki ,  Kazumi Saeki ,  Akira Shimada

IPC分类号： B41M5/333 ,  C07C317/14

CPC分类号： B41M5/3336

摘要： A thermosensitive recording sheet comprising a support and a thermosensitive color developer layer thereon containing a basic leuco dye and an organic color developer, said layer containing a bis-phenyl sulfone compound selected from bis-(3-phenyl-4-hydroxyphenyl)sulfone and bis-(2-methyl-4-hydroxy-5-cyclohexylphenyl)sulfone as the organic color developer.