Polyolefin-treated pigment and cosmetics containing the same
US4919922A · kind A · utility
16Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1989 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Aug 21, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Pigment with its surface coated with a polyolefin carrying-COOR groups (wherein R is hydrogen atom or a metal atom) is water-repellent and has very high affinity for oily cosmetic components. Cosmetic products containing said surface-treated pigment is excellent in spreadability and feeling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.