Cosmetic products containing a soluble glass
US5290544A · kind A · utility
31Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1992 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Feb 21, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2204/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A cosmetic product is provided which comprises particles of soluble glass having an average particle size of 20 .mu.m or less which contains silver ions. The soluble glass has a rate of elusion of the silver ions in water of from 0.00001-50 mg per hour per gram of glass when the soluble glass has a particle size of 420-600 .mu.m and the water has a temperature of 20.degree. C. The silver ions provide an anti-bacterial and anti-mold effect for a prolonged period without skin irritation, thus insuring a high degree of safety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.