Process for impregnating tobacco smoke filter fibres with polycarboxylic acid or salts thereof.,申请号EP19900100642-传众专利搜索

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发明名称	Process for impregnating tobacco smoke filter fibres with polycarboxylic acid or salts thereof.
摘要
申请公布号	EP0383018(B1)	申请公布日期	1994.01.05
申请号	EP19900100642	申请日期	1990.01.12
申请人	B.A.T. CIGARETTENFABRIKEN GMBH	发明人	SCHMEKEL, GERALD, DIPL.-ING.;HENNING, PAUL-GEORG, DIPL.-CHEM.
分类号	A24D3/14;(IPC1-7):A24D3/14;A24D3/16	主分类号	A24D3/14
代理机构		代理人
主权项
地址

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