Patents by Inventor Alan B. Theis

Alan B. Theis 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).

  • Patent number: 5128051
    Abstract: A method for controlling biofouling in aqueous environments which comprises providing ortho-phthalaldehyde to aqueous systems susceptible to biofouling. The method of the invention is particularly well suited for use in industrial cooling water systems, paper manufacture and in secondary oil recovery processes.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: July 7, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Alan B. Theis, Jonathan Leder