External preparation
US5776438A · kind A · utility
10Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1996 |
| Grant date | Jul 7, 1998 |
| Priority date | — |
| Expiry date | May 14, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/678
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An external preparation containing DL-.alpha.-tocopherol 2- L-ascorbic phosphoric diester and/or a salt thereof, and at least one ultraviolet absorbing agent. The cross-linking of collagen is suppressed and an excellent cutaneous aging resisting effect is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.