Patents by Inventor Christopher L. Prince

Christopher L. Prince 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).

  • Publication number: 20130017582
    Abstract: This invention provides methods whereby taxol, baccatin III, and other taxol-like compounds, or taxanes, can be produced in very high yield from all known Taxus species, e.g., brevifolia, canadensis, cuspidata, baccata, globosa, floridana, wallichiana, media and chinensis. Particular modifications of culture conditions (i.e., media composition and operating modes) have been discovered to enhance the yield of various taxanes from cell culture of all species of Taxus. Particularly preferred enhancement agents include silver ion or complex, jasmonic acid (especially the methyl ester), auxin-related growth regulators, and inhibitors of the phenylpropanoid pathway, such as 3,4-methylenedioxy-6-nitrocinnamic acid. These enhancement agents may be used alone or in combination with one another or other yield-enhancing conditions. While the yield of taxanes from plant cell culture of T.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 17, 2013
    Applicant: Phyton Holdings, LLC
    Inventors: Venkataraman BRINGI, Prakash G. Kadkade, Christopher L. Prince, Braden L. Roach
  • Publication number: 20110086397
    Abstract: This invention provides methods whereby taxol, baccatin III, and other taxol-like compounds, or taxanes, can be produced in very high yield from all known Taxus species, e.g., brevifolia, canadensis, cuspidata, baccata, globosa, floridana, wallichiana, media and chinensis. Particular modifications of culture conditions (i.e., media composition and operating modes) have been discovered to enhance the yield of various taxanes from cell culture of all species of Taxus. Particularly preferred enhancement agents include silver ion or complex, jasmonic acid (especially the methyl ester), auxin-related growth regulators, and inhibitors of the phenylpropanoid pathway, such as 3,4-methylenedioxy-6-nitrocinnamic acid. These enhancement agents may be used alone or in combination with one another or other yield-enhancing conditions. While the yield of taxanes from plant cell culture of T.
    Type: Application
    Filed: December 17, 2010
    Publication date: April 14, 2011
    Applicant: Phyton Holdings, LLC
    Inventors: Venkataraman BRINGI, Prakash G. Kadkade, Christopher L. Prince, Braden L. Roach
  • Patent number: 7264951
    Abstract: This invention provides methods whereby taxol, baccatin III, and other taxol-like compounds, or taxanes, can be produced in very high yield from all known Taxus species, e.g., brevifolia, canadensis, cuspidata, baccata, globosa, floridana, wallichiana, media and chinensis. Particular modifications of culture conditions (i.e., media composition and operating modes) have been discovered to enhance the yield of various taxanes from cell culture of all species of Taxus. Particularly preferred enhancement agents include silver ion or complex, jasmonic acid (especially the methyl ester), auxin-related growth regulators, and inhibitors of the phenylpropanoid pathway, such as 3,4-methylenedioxy-6-nitrocinnamic acid. These enhancement agents may be used alone or in combination with one another or other yield-enhancing conditions. While the yield of taxanes from plant cell culture of T.
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: September 4, 2007
    Assignee: Phyton, Inc.
    Inventors: Venkataraman Bringi, Prakash G. Kadkade, Christopher L. Prince, Braden L. Roach
  • Patent number: 5407816
    Abstract: This invention is directed to methods for the enhanced production and recovery of taxol and taxanes by cell cultures of Taxus species.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: April 18, 1995
    Assignee: Phyton Catalytic, Inc.
    Inventors: Venkataraman Bringi, Prakash G. Kadkade, Christopher L. Prince, Barry F. Schubmehl, Eugene J. Kane, Braden Roach