Patents Represented by Attorney Lawrence A. Neureiter

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  • Two-phase material of concrete and polymer and its method of preparation
    Patent number: 4002788
    Abstract: A two-phase material of foamed cement or concrete and polymer providing tmal insulating, structural elements composed of an unimpregnated foam cement or concrete core and impregnated surface regions of the two-phase material and method employing a hydraulic head or vacuum means to provide high polymer loading through a large volume of foam voids in the cement or concrete for easy impregnation of high viscosity monomers and uncured resins to a considerable depth below the surface of the cement or concrete before in situ polymerization.
    Type: Grant
    Filed: October 7, 1975
    Date of Patent: January 11, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: James L. Lott