Operational problems such as scale and sludge formation which are encountered in phosphating processes using compositions containing zinc and at least one of Ni, Co, or Zn may be alleviated by maintaining an effective level of dissolved iron cations in such compositions.
申请公布号
WO0196627(A1)
申请公布日期
2001.12.20
申请号
WO2001US19499
申请日期
2001.06.18
申请人
HENKEL CORPORATION;CUYLER, BRIAN, B.;MEAGHER, KEVIN, K.;KELLY, TIMM, L.
发明人
CUYLER, BRIAN, B.;MEAGHER, KEVIN, K.;KELLY, TIMM, L.
