Skin whitening cosmetics
US5078989A · kind A · utility
19Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1990 |
| Grant date | Jan 7, 1992 |
| Priority date | — |
| Expiry date | Mar 28, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q1/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A cosmetic comprising a compound represented by formula (I) is disclosed: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents a hydrogen atom or CH.sub.3 (CH.sub.2).sub.3 (CH.sub.2 CH.dbd.CH).sub.2 (CH.sub.2).sub.7 CO--, provided that at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is not a hydrogen atom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.