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:
Apr. 21, 1987
Filed:
Feb. 21, 1984
Jean Meier, La Varenne Saint Hilaire, FR;
Francois Clemence, Paris, FR;
Roussel Uclaf, Paris, FR;
Abstract
Compounds selected from the group consisting of 4H-1,2,4-triazoles of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be in different positions of the benzene ring, R.sub.1, R.sub.3 and R.sub.4 are individually selected from the group consisting of hydrogen, --OH, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, halogen, --CF.sub.3, --NO.sub.2, --NH.sub.2 and NH--AlK and ##STR2## R.sub.2 is selected from the group consisting of hydrogen, --OH, alkyl of 1 to 4 carbon atoms, halogen, --CF.sub.3, --NO.sub.2, --NH.sub.2, --NH--AlK and ##STR3## and AlK, AlK.sub.1 and AlK.sub.2 are alkyl of 1 to 4 carbon atoms or R.sub.1 and R.sub.2 together and/or R.sub.3 and R.sub.4 together are methylenedioxy, R is selected from the group consisting of ethyl, --CH.sub.2 --COOH and CH.sub.2 --COOAlK.sub.3 and AlK.sub.3 is alkyl of 1 to 4 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts, with the proviso that R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are not all hydrogen having a remarkable analgesic activity and a novel method for their preparation.