METAL CLEANING AND DE-ICING COMPOSITIONS

摘要

PCT No. PCT/GB95/02631 Sec. 371 Date Aug. 27, 1997 Sec. 102(e) Date Aug. 27, 1997 PCT Filed Nov. 9, 1995 PCT Pub. No. WO96/15293 PCT Pub. Date May 23, 1996A metal cleaning composition comprising EDDS is described. Preferably, the compositions comprise optical isomers of EDDS, such as (s,s)EDDS. The compositions are particularly well suited for cleaning iron, zinc, aluminum, and copper. De-icer compositions comprising EDDS are also described. Also disclosed are processes for using the compositions.