Propellant compositions comprising a hydrofluorocarbon and a hydrocarbon
US6284225A · kind A · utility
39Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1998 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Jul 15, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Foaming propellant compositions for use in hair mousse compositions described. These compositions contain hydrofluorocarbon 152A and a suitable hydrocarbon in a ratio of about 30 to 70; to about 50 to 50; more preferably about 40 to 60. These compositions comprise the hydrofluorocarbon 152A; and a hydrocarbon, selected from the group consisting of propane, isobutane, and n-butane in the above recited ratios. The above propellant mixture is about 4 to 9 wt. % of total foaming, hair care composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.