Water-in-oil emulsion type cosmetics
US5015469A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1990 |
| Grant date | May 14, 1991 |
| Priority date | — |
| Expiry date | Jul 23, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q1/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A water-in-oil type emulsified composition containing a water-swellable clay mineral, a nonionic surfactant, an oil component, and water as the essential constituents or containing a water-swellable clay mineral, a quaternary ammonium salt type cationic surfactant, one or two more kinds of polyoxyalkylene modified organopolysiloxane, an aqueous phase, and an oil phase containing one or two or more kinds of organic silicone resin comprising the units of the formula: EQU RnSiO.sub.(4-n)/2 wherein R is a hydrocarbon group having 1 to 6 carbon atoms or a phenyl group, and n represents a value of 1.0 to 1.8, and a water- and polyhydric alcohol-in-oil type emulsified composition containing an oil phase containing a polyoxyalkylene modified organopolysiloxane, a water-swellable clay mineral, a quaternary ammonium salt type cationic surfactant and a silicone oil, water, and a polyhydric alcohol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.