Compositions for slowing down hair loss and for inducing and stimulating its growth, based on 2,4-diamino-pyrimidine 3-oxide derivatives, and new 2,4-diaminopyrimidine 3-oxide derivatives
US5466694A · kind A · utility
13Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1992 |
| Grant date | Nov 14, 1995 |
| Priority date | — |
| Expiry date | Jul 13, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/01
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Composition for slowing down hair loss and inducing and stimulating its growth, comprising a compound of the following formula: ##STR1## wherein R.sub.1 and R.sub.3 denote H; R.sub.2 and R.sub.4 denote H or an alkyl; R.sub.5 denotes H, an alkyl, an alkenyl, a cycloalkyl, an aryl, an arylalkyl, a hydroxyalkyl or an aminoalkyl; X denotes H, halogen, alkyl, nitro, benzoyloxy or --NHR.sub.6 where R.sub.6 denotes H, acyl or alkyl; Z denotes sulfur or oxygen, with the proviso that Z denotes sulfur when X denotes H or R.sub.5 denotes aryl; Y denotes oxygen or OSO.sub.3 ; as well as its physiologically acceptable salts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.