Patents Represented by Attorney John A. Sheiden

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  • Wetting of water repellent soil by low HLB EO/PO block copolymers and enhancing solubility of same
    Patent number: 7541386
    Abstract: Water repellent soil is treated with low concentrations of EO/PO block copolymer having an HLB value of less than or equal to 2; an average molecular weight of greater than 3,000; and a percent hydrophile of 10 in order to rapidly increase the wetting rate of the water repellent soil.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: June 2, 2009
    Assignee: Aquatrols Corporation of America, Inc.
    Inventors: Stanley J. Kostka, Paul Thomas Bially