Thickening latex, manufacturing process and cosmetic applications
US6197287A · kind A · utility
25Cited by
5References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1999 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Jan 19, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Composition comprising an oil phase, an aqueous phase, at least one emulsifier of water-in-oil (W/O) type, at least one emulsifier of oil-in-water (O/W) type, characterized in that the composition is an inverted latex comprising from 20% to 60% by weight, and preferably from 25% to 45% by weight, of a branched or crosslinked anionic polyelectrolyte based on at least one monomer possessing a strongly acidic function, copolymerized either with at least one monomer possessing a weakly acidic function or with at least one neutral monomer. The compositions have cosmetic applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.