Compsn. for removing encrusted residues from metal surface
摘要
A compsn. for removing encrusted residues from metallic surfaces contains a solvent comprising 5-80 vols. % of an aliphatic ether of propylene glycol or an ester of such an ether, 5-30 vols. % of an alkylpyrrolidone, 1-10 vols. % of alkanolamine, and water.
申请公布号
DE4007980(A1)
申请公布日期
1990.09.20
申请号
DE19904007980
申请日期
1990.03.13
申请人
SAFETY-KLEEN CORP., ELGIN, ILL., US
发明人
DINGESS, JOHN A., HANOVER PARK., ILL., US;OSMANSKI, FRANK A., HANOVER PARK, ILL., US
