Cosmetic powder employing spherical silica particles
US4837011A · kind A · utility
30Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 1988 |
| Grant date | Jun 6, 1989 |
| Priority date | — |
| Expiry date | Oct 11, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q1/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a novel cosmetic powder composition exhibiting superior smoothness and adhesion to the skin, comprising in its preferred version a combination of ultrafine silica, talc coated with acylamino acid, sericite, polyethylene, and a novel binder comprising a combination of polydimethylsiloxane, distearyl malate and pentahydrosqualene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.