发明名称 |
GRINDING AIDS FOR MICRONIZED ORGANIC UV ABSORBERS |
摘要 |
<p>A method of preparing a composition, comprising (a) a micronised insoluble organic UV absorber, which method comprises grinding the insoluble organic UV absorber, in coarse particle form, in a grinding apparatus, in the presence of a grinding aid selected from the groups (b1) carboxylic acids and their salts; (b2) fatty acid esters (b3) alkyl phosphates or phosphoric acid esters; (b4) ethoxylated carboxylic acids or polyethyleneglycol (PEG) esters; (b5) fatty alcohol polyethyleneglycol (PEG) ethers of fatty alcohols; (b6) polyethylene/polypropylene -glycol ethers of saturated or unsaturated C4 - C28 fatty acids; (b7) ethoxylated alkylphenols or ethoxylated alkylphenyl ethers; (b8) esters of polyol and mono-, di- or tri-glycerides; (b9) esters of fatty acids and saccharose; (b10) sorbitan mono- and di-esters of saturated and/or unsaturated C6 - C22 fatty acids and ethylene oxide groups; and (b11) surfactants which are mainly acting as detergent or cleansing agents.</p> |
申请公布号 |
WO2009068469(A2) |
申请公布日期 |
2009.06.04 |
申请号 |
WO2008EP65916 |
申请日期 |
2008.11.20 |
申请人 |
CIBA HOLDING INC.;MONGIAT, SEBASTIEN;GRUMELARD, JULIE;EHLIS, THOMAS |
发明人 |
MONGIAT, SEBASTIEN;GRUMELARD, JULIE;EHLIS, THOMAS |
分类号 |
A61K8/35;A61K8/49;A61Q17/04 |
主分类号 |
A61K8/35 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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