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:
Oct. 12, 1976
Filed:
Apr. 12, 1971
Applicant:
Inventors:
Albert A Carr, Cincinnati, OH (US);
Donald R Meyer, Cincinnati, OH (US);
Assignee:
Richardson-Merrell Inc., Wilton, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424267 ; 424274 ;
Abstract
Compounds having the general formula: ##SPC1## Wherein R.sup.1 and R.sup.2 represent hydrogen, halogen, lower alkyl, lower alkoxy, or nitro, and wherein R.sup.1 and R.sup.2 may be the same or different. R.sup.3 may be hydrogen or lower alkyl, and X and Y may be one or two. They have been found to be useful sedative type depressants of the central nervous system. Most of the compounds having the general formula indicated above are new but others such as 2,3-dihydrospiro[naphthalene-1(4H),3'-piperidine]-2',4,6'-trione which has useful sedative properties have been reported in the literature.