Patents by Inventor Allison T. Wisener

Allison T. Wisener 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 inhibiting aluminum-based deposition in water systems
    Patent number: 4671880
    Abstract: A method of controlling deposition and fouling in an aqueous mediums, such as in cooling water systems, wherein aluminum species are present in the system water. Normally, such aluminum species presence is caused by clarifier upsets and the like which in turn cause Al.sup.+3 contamination of the cooling system makeup water. The method comprises addition of certain water soluble acrylic acid type/allyl hydroxyl propyl sulfonate ether copolymers to the system.
    Type: Grant
    Filed: January 10, 1986
    Date of Patent: June 9, 1987
    Assignee: Betz Laboratories, Inc.
    Inventors: Allison T. Wisener, Pamela J. Peerce-Landers