Patents by Inventor Maire M. Eloranta

Maire M. Eloranta 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).

  • 4(5) substituted imidazoles and their preparation and use
    Patent number: 5498623
    Abstract: The invention provides compounds of the formula ##STR1## wherein Y is --CH.sub.2 -- or --CO--;R.sub.1 is F, Cl or OH; R.sub.2 is H, F or Cl; and R.sub.3 is H, CH.sub.3 or CH.sub.2 CH.sub.3, excluding 4-(5-chloro-2,3-dihydro-1H-inden-2-yl)-1H-imidazole and 4-(4-chloro-2,3-dihydro-1H-inden-2-yl)-1H-imidazole; and their non-toxic acid addition salts and mixtures thereof. Processes for the preparation of these compounds are described, as are pharmaceutical compositions comprising at least one of the compounds or its salt. The compounds and their non-toxic salts exhibit valuable pharmacological activity and are highly selective and long acting antagonists at .alpha..sub.2 -adrenoceptors. Their peroral bioavailability is good. The compounds are especially useful in the treatment of cognitive disorders.
    Type: Grant
    Filed: September 19, 1994
    Date of Patent: March 12, 1996
    Assignee: Orion-yhtyma Oy
    Inventors: Arto J. Karjalainen, Raimo E. Virtanen, Arja L. Karjalainen, Maire M. Eloranta, Jarmo S. Salonen, Hannu T. Sipila, Antti S. Haapalinna
  • Process for the preparation of 3,4-di-methoxy-N-methyl-phenethylamine
    Patent number: 4960939
    Abstract: N-benzyl-N-methyl-3,4-dimethoxyphenethylamine is prepared by reacting 3,4-dimethoxyphenethylamine with a mixture of benzaldehyde and formaldehyde in the presence of hydrogen and a catalyst such as palladium on carbon.
    Type: Grant
    Filed: June 13, 1984
    Date of Patent: October 2, 1990
    Assignee: Farmos-Yhtyma Oy
    Inventor: Maire M. Eloranta