Two-part cosmetic product with volumizing effect to hair fibers
US8999308B2 · kind B2 · utility
1Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2008 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Mar 4, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/884
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a two-part cosmetic product that imparts a filling and/or swelling effect to hair, eyebrows or eyelashes, preferably a mascara. The invention uses an anhydrous base coat composition with a water absorbing ingredient being a salt of acrylic or polyacrylic acid and a CO2 releasing compound which is a carbonate or bicarbonate to expand or swell the film former of the top coat with the in situ generated CO2 when the water containing top coat is applied to the anhydrous base coat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.