Patents by Inventor Chi Min Woo

Chi Min Woo 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).

  • 2-Substituted-9-phenyl-2,3,4,4a,9,9a-hexahydro-1H-indeno[2,1-c]pyridines and related compounds
    Patent number: 3981875
    Abstract: 2-Substituted-9-phenyl-2,3,4,4a,9,9a-hexahydro-1H-indeno[2,1-c]pyridines having anti-arrhythmic activity are described herein. The subject compounds can be prepared by reduction of the corresponding 2-Substituted-9-phenyl-2,3-dihydro-1H-indeno[2,1-c]pyridines. The compounds additionally display antibacterial activity.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: September 21, 1976
    Assignee: G. D. Searle & Co.
    Inventors: John W. Cusic, Charles R. Ellefson, Chi Min Woo
  • 1-(Substituted-aminoalkyl)-3-benzoyl-4-hydroxy-4-phenylpiperidines and related compounds
    Patent number: 3965104
    Abstract: 1-(Substituted-aminoalkyl)-3-benzoyl-4-hydroxy-4-phenylpiperidines and related compounds having anti-arrhythmic activity are described herein. The 3-benzoyl compounds can be prepared by condensing the appropriate diamine with acetophenone and formaldehyde. The related 3-(.alpha.-hydroxybenzyl) compounds are prepared by reduction of the corresponding 3-benzoyl compounds.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: June 22, 1976
    Assignee: G. D. Searle & Co.
    Inventors: John W. Cusic, Charles R. Ellefson, Chi Min Woo