Use of partially acetylated polyvinyl alcohol as a foaming agent in compositions in the form of aerosols
US4880618A · kind A · utility
23Cited by
10References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1988 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Aug 23, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/01
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Use of partially acetylated polyvinyl alcohol as a foaming agent in compositions in the form of aerosols. Use as a single or additional foaming agent in aqueous compositions for treating the skin or the hair, in the form of an aerosol foam, of partially acetylated polyvinyl alcohol containing at least some units of formulae (I) and (II) ##STR1## in which the units of formula (II) are present in proportions of greater than or equal to 3 mol % with respect to the totality of units in the polymer, this polymer possessing a viscosity at a concentration of 4% in water at 20.degree. C. of between 0.005 and 0.065 Pa.s.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.