专利检索 ap:("EASTMAN KODAK COMPANY") AND inv:"Anderson, Ernest R., Eastman Kodak Company" 第 1 页

1.

发明授权
Removal of tin from seasoned photographic color developers 失效
标题翻译：从废照相彩色开发商拆除锡

公开(公告)号：EP0729066B1

公开(公告)日：2000-01-19

申请号：EP96200445.3

申请日：1996-02-21

申请人： EASTMAN KODAK COMPANY

发明人： Anderson, Ernest R., Eastman Kodak Company , Lowery, Stephen Nelson, Eastman Kodak Company

IPC分类号： G03C7/44 , G03C5/31

CPC分类号： B01J45/00 , G03C7/44

2.

发明公开
Removal of tin from seasoned photographic color developers 失效
标题翻译： Farbentwicklern的Entfernung von Zinn aus verbrauchten photographischen

公开(公告)号：EP0729066A1

公开(公告)日：1996-08-28

申请号：EP96200445.3

申请日：1996-02-21

申请人： EASTMAN KODAK COMPANY

发明人： Anderson, Ernest R., Eastman Kodak Company , Lowery, Stephen Nelson, Eastman Kodak Company

IPC分类号： G03C7/44 , G03C5/31

CPC分类号： B01J45/00 , G03C7/44

摘要： A process for removing tin from seasoned photographic color developers containing tin as stannous or stannate complex ions, comprising the steps of:

(a) collecting seasoned photographic color developer containing tin;
(b) treating the collected developer with a resin having a chelating group selected from diphosphonic acid, amidoxime and thiol, thereby removing tin from the composition.

摘要翻译： 从经验丰富的照相彩色显影剂中除去锡的方法，锡作为亚锡或锡酸盐络合物包括用螯合gp处理。选自二膦酸，偕胺肟和硫醇。