Salicylic acid copolymers and their metal salts, production process thereof, color-developing agents comprising metal salts of the copolymers and color-developing sheets employing the agents,申请号EP19870116100-传众专利搜索

发明名称	Salicylic acid copolymers and their metal salts, production process thereof, color-developing agents comprising metal salts of the copolymers and color-developing sheets employing the agents
摘要
申请公布号	EP0268878(B1)	申请公布日期	1996.01.31
申请号	EP19870116100	申请日期	1987.11.02
申请人	MITSUI TOATSU CHEMICALS, INC.	发明人	YAMAGUCHI, KEIZABURO;TANABE, YOSHIMITSU;ASANO, MAKOTO;YAMAGUCHI, AKIHIRO
分类号	C08G61/02;B41M5/155;(IPC1-7):C08G61/02;B41M5/00	主分类号	C08G61/02
代理机构		代理人
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