| 发明名称 |
PRODUCTION METHOD OF A COSMETIC PIGMENT BASED ON Mn(III)NH4P2O7 |
| 摘要 |
The process employs Mn chloride or sulphate soln. Pptn. of a complex of Mn from oxidn. in the presence of KMnO4 or H2O2 and orthophosphoric acid and with heating to 300-350 deg. C, is followed by repeated washing in demineralised water. Filtration, washing with ethyl alcohol, and drying completes the process.
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| 申请公布号 |
RO103222(A2) |
申请公布日期 |
1991.12.02 |
| 申请号 |
RO19890138361 |
申请日期 |
1989.02.22 |
| 申请人 |
INSTITUTUL DE CERCETARE, INGINERIE TEHNOLOGICA, PROIECTARE SI PRODUCTIE PENTRU INDUSTRIA ANORGANICA SI METALE NEFEROASE, BUCURESTI |
发明人 |
PAUN CAMELIA;PARVULESCU VASILE;SEICARU OVIDIU;DUMITRU ILEANA;SIMION GHEORGHE |
| 分类号 |
A61Q1/12;C01B25/42;C01B25/45;(IPC1-7):C01B25/42;A61K7/021 |
主分类号 |
A61Q1/12 |
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