Patents Represented by Attorney, Agent or Law Firm W. S. Alexander
  • Process for harvesting organic compounds from plant roots
    Patent number: 6324785
    Abstract: Organic compounds are recovered from the roots of living plants by treating said roots by an extraction with enzymes. The plant is removed from its growing medium, subjected to the extraction and then returned to its original growing medium. The process is thus nondestructive and the plant can be subjected to the enzyme treatment again when it has regenerate the compounds that have been removed. A preferred growing medium is a hydroponic medium. The method has especial utility for providing lead compounds to the pharmaceutical research industry.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: December 4, 2001
    Assignee: PharmaLeads, Inc.
    Inventor: Barry L. Marrs
  • Polyunsaturated hydrocarbon polymer-compatible antioxidant compositions
    Patent number: 4822839
    Abstract: A polyunsaturated hydrocarbon polymer-compatible anti-oxidant composition is provided which comprises a mixture of at least one sterically hindered phenolic compound and at least one aryl amine compound in a molar ratio ranging from about 0.1 to about 10.
    Type: Grant
    Filed: November 25, 1987
    Date of Patent: April 18, 1989
    Assignee: Hercules Incorporated
    Inventor: Martin J. Paisner
  • Methylthiomethyl esters as flavor additives
    Patent number: 4414233
    Abstract: Methylthiomethyl esters of aliphatic acids have been found useful in imparting or enhancing flavors in foodstuffs. They are particularly useful with respect to dairy-type flavors.
    Type: Grant
    Filed: March 11, 1982
    Date of Patent: November 8, 1983
    Assignee: Polak's Frutal Works, B.V.
    Inventors: Steven van den Bosch, Evert van't Land, Jan Stoffelsma