The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 1990
Filed:
Jul. 31, 1989
Applicant:
Inventors:
Assignee:
L'Oreal, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424 70 ; 514272 ; 544320 ;
Abstract
New 2,4-diaminopyrimidine 3-oxide derivatives and their use for the treatment and the prevention of hair loss. The compounds correspond to the formula: ##STR1## in which: R.sub.1 and R.sub.2 denote hydrogen or the groups of formula: ##STR2## with R'.sub.3 =H or R.sub.3, in which R.sub.3 denotes alkyl, alkenyl or cycloalkyl; R.sub.3 may also denote an aryl or aralkyl radical.