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:
Jun. 02, 1981
Filed:
Jul. 09, 1979
Applicant:
Inventor:
Jean M Teulon, La Celle Saint Cloud, FR;
Assignee:
Hexachimie, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
424250 ; 544394 ;
Abstract
Compounds of the formula: ##STR1## in which R represents an ethyl or isopropyl group, and their addition salts with acids or quaternary ammonium salts can be prepared from the compounds: ##STR2## in which R has the same meaning as above, and are valuable as analgesics.