Patents by Inventor James B. Hendrickson

James B. Hendrickson 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).

  • Cyclic tetrabenzimidazole
    Patent number: 5180821
    Abstract: Cyclic tetrabenzimidazole, a yellowish, visually non-fluorescent substance, and its chelates, tautomers, ionization and oxidation forms, having utility as chelating agents, catalysts and electrooptic components.
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: January 19, 1993
    Assignee: Moleculon Research Company
    Inventors: Arthur S. Obermayer, James B. Hendrickson, Sajjat Hussoin
  • Synthesis of 1-substituted isoquinolines
    Patent number: 4514569
    Abstract: A method for the synthesis of particular isoquinoline compounds which are useful intermediates in the preparation of members of the family of opium alkaloids, such as morphine and codeine. Steps in the process include the acylation of the isoquinoline nitrogen; reaction of the acylated isoquinoline with a phosphorous compound; and condensation with a benzaldehyde derivative to yield a 1-benzyl isoquinoline.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: April 30, 1985
    Inventors: James B. Hendrickson, Cesar Rodriguez
  • 2,4-Disubstituted-4b,5,6,7,8,8a,9,10-octahydro-9-oxo-phenanthrenes
    Patent number: 4097609
    Abstract: 2,4-Disubstituted-4b,5,6,7,8,8a,9,10-octahydro-9-oxo-phenanthrenes e.g., 2,4-dimethoxy-4b,5,6,7,8,8a,9,10-octahydro-9-oxo-phenanthrene are useful as hypolipidemic agents.
    Type: Grant
    Filed: March 2, 1977
    Date of Patent: June 27, 1978
    Assignee: Sandoz, Inc.
    Inventors: Sandor Barcza, James B. Hendrickson
  • 2,4-Disubstituted-4b,5,6,7,8,8a,9,10-octahydro-9-oxo-phenanthrenes
    Patent number: 4034045
    Abstract: 2,4-Disubstituted-4b,5,6,7,8,8a,9,10-octahydro-9-oxo-phenanthrenes e.g., 2,4-dimethoxy-4b,5,6,7,8,8a,9,10-octahydro-9-oxo-phenanthrene are useful as hypolipidemic agents.
    Type: Grant
    Filed: December 4, 1975
    Date of Patent: July 5, 1977
    Assignee: Sandoz, Inc.
    Inventors: Sandor Barcza, James B. Hendrickson