Patents Represented by Attorney John Dhuey

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  • Optically active alpha-naththylalkyl ketones
    Patent number: 5210258
    Abstract: Optically active naphthyl alpha-substituted alkyl ketones, are a class of ketones useful as intermediates in the production of optically active alpha-naphthylalkanoic acids which exhibit anti-inflammatory, analgesic and anti-pyretic activity.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: May 11, 1993
    Assignee: Syntex Pharmaceuticals International Ltd.
    Inventor: George C. Schloemer
  • Reversible cam lock assembly
    Patent number: 4360281
    Abstract: A reversible cam lock assembly is described. The cam lock assembly is adapted for attachment to a movable member and includes an eccentric cam for engaging a surface of a stationary member to resist movement inducing forces applied to the movable member. Depending on the orientation of the cam lock assembly, clockwise or counterclockwise rotational movement of the movable member relative to the stationary member is resisted.
    Type: Grant
    Filed: July 24, 1980
    Date of Patent: November 23, 1982
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: J. Douglas Alsup, Jr., Arden F. Jenkins