Patents by Inventor Paavo Riekkinen, Jr.

Paavo Riekkinen, Jr. 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).

  • Patent number: 5434177
    Abstract: This invention relates to the use of a compound of formula ##STR1## wherein X is --CH.sub.2 -- or ##STR2## R.sub.1 is H, C.sub.1-5 -alkyl or benzyl, which can be substituted of unsubstituted; R.sub.2 is H, C.sub.1-4 -alkyl, C.sub.1-4 -alkenyl, OH, or C.sub.1-3 -alkoxy; R.sub.3 is H, CH.sub.3, C.sub.2 CH.sub.3, OCH.sub.3, or Hal; R.sub.4 H, CH.sub.3, C.sub.2 CH.sub.3, OCH.sub.3, or Hal, and Hal is halogen, provided that when R.sub.2 is OH or C.sub.1-3 -alkoxy then X cannot be CO or a non-toxic pharmaceutically acceptable salt thereof for the use in the treatment of age related memory impairment or cognitive disorders, particularly Alzheimer's Disease.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: July 18, 1995
    Assignee: Orion-Yhtyma Oy
    Inventors: Paavo J. Riekkinen, Paavo Riekkinen, Jr., Jouni S. I. Sirvio, Riitta A. Miettinen, Antti Valjakka, Mauno M. Airaksinen, Sakari A. Nieminen, Ewen MacDonald, Risto A. S. Lammintausta, Raimo E. Virtanen