Acidic cleaner for metal surfaces
申请(专利)号： AU20060343213
专利号： AU2006343213A1 主分类号： C11D1/37
申请权利人： ECOLAB INC. 公开国代码： AU 优先权国家： EP
摘 要：
The invention relates to a acidic composition for cleaning surfaces of metal or alloys which are susceptible to corrosion comprising i) an ester of phosphoric acid, diphosphoric acid or polyphosphoric acid, ii) a benzotriazole derivative of the general formula (I) in which each of the groups R1, R2, R3, R4 and R5 is the same or different and is hydrogen atom, an alkyl group, an alkenyl group, or an acyl group, iii) a phosphonic acid of the general formula R6PO(OH)2 (II) in which the group R6 is alkyl group, alkenyl group, aryl group, or arylalkyl group and iv) an acidic source. The
invention further relates to a use solution and to a method for cleaning.
申请日： 2006-05-08 公开公告日： 2007-11-15
分类号： C11D1/37;
C11D1/34; C11D1/83; C11D3/02; C11D3/12; C11D3/20; C11D3/28; C11D3/36; C23F1/30; C23F1/44 发明设计人： THOMAS
TYBORSKI 申请国代码： AU
优先权： 20060508 EP
2006062138
摘 要 附 图：
主权项：
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Acidic cleaner for metal surfaces
