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发明名称
Photographic developing composition.
摘要
Eine Entwicklerzusammensetzung zur Entwicklung silberhalogenidhaltiger Aufzeichnungsmaterialien enthält Polyitaconsäure oder hydrolysierbares Polyitaconsäureanhydrid als Komplexbildner für die Bindung von Metallionen, insbesondere Calcium-Ionen.
申请公布号
EP0323405(A2)
申请公布日期
1989.07.05
申请号
EP19880810877
申请日期
1988.12.20
申请人
CIBA-GEIGY AG
发明人
LAVER, HUGH STEPHEN, DR.
分类号
G03C5/30;G03C5/305;G03C7/413
主分类号
G03C5/30
代理机构
代理人
主权项
地址
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