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:
Sep. 05, 1989
Filed:
Feb. 01, 1988
William L Smith, 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 n.sup.1, n.sup.2, n.sup.3, and n.sup.4 =0 to 3; R.sup.1, R.sup.2, R.sup.3 , and R.sup.4 =H, loweralkyl or phenyl; R.sup.5 =H or loweralkyl; X=0 or S; Ar=phenyl, substituted phenyl, pyridinyl, furanyl, thienyl, methoxy-1H-benzotriazolyl, indolinyl, methoxyindolinyl, methoxypyrimidinyl, amino-methoxypyrimadinyl, 1,3-benzodioxolyl, or naphthalenyl; the optical isomers; and the pharmaceutically acceptable acid addition salts, hydrates and alcoholates thereof. The dosage effective for this use is from about 10 to 1000 nanograms/kg.