Patents Represented by Attorney John Stowe

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  • Process for shaping articles from electrosetting compositions
    Patent number: 5194181
    Abstract: A phase changing composition for making articles that can be influenced as o shape and cure time by the application of an electric field. Also disclosed are apparatus and processes for using the material. The composition is characterized in that under the influence of an electrostatic field, the cure time of the composition is significantly shorter.
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: March 16, 1993
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Ronald P. Reitz
  • Apparatus and process for desalination of seawater
    Patent number: 5102550
    Abstract: An apparatus and process for desalination of seawater using a hydrophobic por permeable membrane. Heated seawater is passed across one surface of a membrane at rates which cause the flow to be turbid such that its turbidity is characterized by Reynolds numbers in excess of 1000. Fresh water is passed across the other surface of the membrane to act as a condenser and collector of vapor which passes through the membrane.
    Type: Grant
    Filed: November 1, 1990
    Date of Patent: April 7, 1992
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Joseph F. Pizzino, David B. Patchett
  • Membrane perfusion method and apparatus for determining dose response relationships for soluble biologically active chemical agents released from a surface
    Patent number: 5100780
    Abstract: A membrane perfusion apparatus and method for determining the effective rase rates of soluble biologically active chemical agents from a surface. A test cell houses a porous membrane so as to expose one surface of the membrane to a fluid containing at least one organism potentially reactive with a chemical agent of interest being perfused through the membrane at predetermined rates. In the context of antifoulant chemical agents, the invention permits the determination of the minimum effective release rates for biocides.
    Type: Grant
    Filed: May 31, 1989
    Date of Patent: March 31, 1992
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Elizabeth G. Haslbeck, William C. Banta, George I. Loeb