Patents by Inventor Walton James Hammar

Walton James Hammar 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).

  • 12-Anti and syn-(N-benzyl-N-alkylaminomethyl)-10,11-dihydro-5,10-methano-5H-dibenzo[ a,d]cycloheptenes and the salts thereof
    Patent number: 3969467
    Abstract: 10,11-Dihydro-12-(N,N-disubstitutedaminomethyl)-5,10-methano-5H-dibenzo[a,d ]cycloheptenes are prepared by reacting the Grignard reagent of 10,11-dihydro-12-halo-5,10-methano-5H-dibenzo[a,d]cycloheptenes with alkyl ethers of N,N-disubstitutedaminomethyl alcohols. Some of the intermediates in this process are novel compounds.
    Type: Grant
    Filed: May 14, 1973
    Date of Patent: July 13, 1976
    Assignee: Riker Laboratories, Inc.
    Inventor: Walton James Hammar
  • 8-N-methylpiperazinyl-N'-carbonyldibenzobicyclooctadiene and salts thereof
    Patent number: 3969505
    Abstract: The novel compound 8-N-methylpiperazinyl-N'-carbonyldibenzobicyclo[3.2.1]octadiene and its pharmaceutically acceptable acid addition salts are useful as sedatives and tranquilizing agents.
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: July 13, 1976
    Assignee: Riker Laboratories, Inc.
    Inventors: Walton James Hammar, Alvin C. Conway
  • 8-Carboxamide dibenzobicyclo(3.2.1)octadienes
    Patent number: 3960944
    Abstract: Dibenzobicyclo[3.2.1]octadienes substituted in the 8 position by substituted aminoalkyl groups, and salts thereof, are described. These compounds have central nervous system activity as anti-depressants.
    Type: Grant
    Filed: December 9, 1974
    Date of Patent: June 1, 1976
    Assignee: Riker Laboratories, Inc.
    Inventor: Walton James Hammar
  • 8-Substituted dibenzobicyclo[3.2.1]octadienes for treating depression
    Patent number: 3949091
    Abstract: Dibenzobicyclo[3.2.1]octadienes substituted in the 8 position by substituted aminoalkyl groups, and salts thereof, are described. These compounds have central nervous system activity as anti-depressants.
    Type: Grant
    Filed: December 9, 1974
    Date of Patent: April 6, 1976
    Assignee: Riker Laboratories, Inc.
    Inventor: Walton James Hammar