Coated particle for use in cosmetic preparations and method
US5246780A · kind A · utility
24Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1991 |
| Grant date | Sep 21, 1993 |
| Priority date | — |
| Expiry date | Aug 29, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A coated particle useful in cosmetic compositions including a base particle, a coupling agent and an outer coating, and a method of making same. A preferred embodiment comprises hollow spherical polyvinylidene copolymer base particles, isopropyl tri-isostearyl titanate as the coupling agent and boron nitrate powder as the outer coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.