Patent · US Expired

Composition for slowing down the loss of hair based on pyrimidine N-oxides triaminosubstituted or their sulfoconjugated

US5772990A · kind A · utility

9Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1993
Grant dateJun 30, 1998
Priority date
Expiry dateDec 20, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D239/50
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Composition for slowing down the loss of hair and for inducing and stimulating its growth, comprising a compound of formula: ##STR1## in which: R.sub.1 and R.sub.2 denote H or an alkyl and do not simultaneously denote H; PA1 R.sub.3 and R.sub.4 denote H, an alkyl or a heterocyclic ring with the nitrogen in position 6 and do not simultaneously denote H; PA1 X denotes H or a halogen; PA1 Y denotes O or OSO.sub.3 ; PA1 and their addition salts of physiologically acceptable acids.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.