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. 25, 1986
Filed:
Apr. 17, 1985
William J Welstead, Jr, Richmond, VA (US);
A. H. Robins Company, Incorporated, Richmond, VA (US);
Abstract
A pharmaceutical method for improving memory or correcting memory deficiency is disclosed, utilizing compounds having the formula: ##STR1## wherein m and n are zero and one and when m is zero, the dotted line represents a double bond; X is oxygen or sulfur; R.sup.1 and R.sup.2 are hydrogen, loweralkyl, phenyl or phenylloweralkyl, or R.sup.1 and R.sup.2 taken together may form a fused second ring with the nitrogen atoms having three or four methylene groups to which may be attached at any second ring carbon atom thereof, a loweralkyl or phenyl radical; R.sup.3 is hydrogen or loweralkyl; Ar is phenyl, pyridyl, furanyl, thienyl, methoxy-1H-benzotriazolyl, indolinyl, methoxyindolinyl, methoxypyrimidinyl, aminomethoxypyrimidinyl, 1,3-benzodioxolyl or naphthalenyl, the active optical isomers; and the pharmaceutically acceptable acid addition salts thereof.