Patents by Inventor Joseph T. Effland

Joseph T. Effland has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Relief from memory dysfunction with .alpha.-alkyl-4-amino-3-quinolinemethanols and 1-(4-aralkylamino-3-quinolinyl)alkanones and related compounds
    Patent number: 4840972
    Abstract: There are described compounds of the formula ##STR1## where X is hydrogen, halogen, loweralkyl, loweralkoxy or trifluoromethyl; R is ##STR2## R.sub.4 being loweralkyl; R.sub.1 is hydrogen, loweralkyl or arylloweralkyl; R.sub.2 is hydrogen, loweralkyl or arylloweralkyl; and R.sub.3 is loweralkyl, with the proviso that when R is acetyl, R.sub.3 is methyl and X is hydrogen, R.sub.1 and R.sub.2 are not both hydrogen, or pharmaceutically acceptable acid addition salts thereof, which are useful for enhancing memory and for treating Alzheimer's disease.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: June 20, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Joseph T. Effland