发明授权
- 专利标题： Photoactivated bleaching process
- 专利标题（中）： 光活化漂白工艺
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申请号： US611588申请日： 1975-09-08
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公开(公告)号： US4033718A公开(公告)日： 1977-07-05
- 发明人: Thomas Charles Holcombe , Robert Howard Schultz
- 申请人： Thomas Charles Holcombe , Robert Howard Schultz
- 申请人地址： OH Cincinnati
- 专利权人： The Procter & Gamble Company
- 当前专利权人： The Procter & Gamble Company
- 当前专利权人地址： OH Cincinnati
- 主分类号： C11D3/00
- IPC分类号： C11D3/00 ; C11D3/395 ; D06L4/50 ; D06L3/02 ; D06L3/04
摘要：
Detergent compositions containing particular species of sulfonated zinc phthalocyanine were found to be unexpectedly effective bleach photoactivators for removing stains from textiles. These species are principally tri- and tetra-sulfonates, especially the latter, with minor amounts of di-sulfonates permitted.
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