公开(公告)号：US5244497A

公开(公告)日：1993-09-14

申请号：US649865

申请日：1991-02-05

申请人： Alex Junino ,  Herve Andrean ,  Remi Tuloup ,  Irwing J. Higgins

发明人： Alex Junino ,  Herve Andrean ,  Remi Tuloup ,  Irwing J. Higgins

IPC分类号： C12P17/12 ,  A61K8/49 ,  A61K8/72 ,  A61Q5/10 ,  C09B69/10 ,  C12P17/00 ,  C12P17/10

CPC分类号： A61K8/72 ,  A61K8/492 ,  A61Q5/10 ,  C09B69/104 ,  C12P17/00

摘要： The invention relates to a process for the preparation of a melanic pigment, comprising the polymerisation of a compound corresponding to the formula: ##STR1## in which: R denotes a hydrogen atom, an alkyl, alkoxy, hydroxyalkyl, SiR.sub.4 R.sub.5 R.sub.6 or aminoalkyl radical, or an aryl radical which is unsubstituted or substituted by OH, NH.sub.2, alkyl, alkoxy or NO.sub.2 ;R.sub.1 and R.sub.2 denote alkyl groups or together form a methylene or ethylene group which is optionally substituted by one or more alkyl groups, and R.sub.2 denotes hydrogen or COOH, in the presence of an oxidizing medium and of an enzyme with (per)oxidizing activity or of a compound which has a similar activity, and to powders which make use of them and to their cosmetic use.

摘要翻译： 本发明涉及一种制备黑色素的方法，包括对应于下式的化合物的聚合：其中：R表示氢原子，烷基，烷氧基，羟基烷基，SiR 4 R 5 R 6或氨基烷基 或未取代或被OH，NH 2，烷基，烷氧基或NO 2取代的芳基; R1和R2表示烷基或一起形成任选被一个或多个烷基取代的亚甲基或亚乙基，R 2表示氢或COOH，在氧化介质和具有（以下）氧化活性的酶或 具有相似活性的化合物和使用它们的粉末及其化妆品用途的粉末。