Patents Represented by Attorney Steven C. Chrisman, Bynum & Johnson, P.C. Petersen

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  • Trioxane dimer compounds having antiproliferative and antitumor activities
    Patent number: 5840925
    Abstract: Described herein are novel trioxane dimers of structure ##STR1## which possess antiproliferative and antitumor activities.
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: November 24, 1998
    Assignee: Hauser, Inc.
    Inventors: Qun Y. Zheng, Christopher Murray, Randall J. Daughenbaugh, Poonsakdi Ploypradith, Gary H. Posner
  • Snowboard and method of constructing the same
    Patent number: 5649717
    Abstract: The present invention relates to a snowboard and method of making the same using a heavy cloth material thereby eliminating some toxic materials completely and decreasing the use of other hazardous materials substantially. The snowboard constructed from the present material maintains a stiffness underfoot and a flexibility in the tip and tail to absorb bumps and irregularities in the terrain.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: July 22, 1997
    Assignees: Clinton L. Augustine, Jessie Allison
    Inventors: Clinton L. Augustine, Steven R. Link
  • Selective process for the deacylation and deacetylation of taxol and taxanes
    Patent number: 5629433
    Abstract: The present invention relates to a highly selective method for the deacetylation and deacylation of taxol and taxanes compounds. Specifically, the present invention relates to a one step process wherein acyl groups located at the carbon 2', 10, and 7 positions of taxol and other taxane compounds may be selectively removed.
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: May 13, 1997
    Assignee: Hauser, Inc.
    Inventors: Qun Y. Zheng, Lynn G. Darbie, Christopher K. Murray