Patents by Inventor Al W. Bourquin

Al W. Bourquin 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).

  • Method for stimulating biodegradation of halogenated aliphatic hydrocarbons
    Patent number: 4925802
    Abstract: A method of biodegrading halogenated alipahtic hydrocarbons is disclosed comprising incubating the hydrocarbons with microorganisms capable of degrading halogenated aliphatic hydrocarbons together with a nontoxic, nongaseous substance that induces the biodegrading activity of said microorganisms. An example of the nontoxic, nongaseous substance is an aromatic amino acid, e.g. tryptophan.
    Type: Grant
    Filed: December 21, 1988
    Date of Patent: May 15, 1990
    Assignee: Ecova Corporation
    Inventors: Michael J. K. Nelson, Al W. Bourquin