Patents by Inventor Alan E. Grey

Alan E. Grey 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).

  • Device for aqueous detection of nitro-aromatic compounds
    Patent number: 5306642
    Abstract: This invention relates to a compact and portable detection apparatus for ro-aromatic based chemical compounds, such as nitrotoluenes, dinitrotoluenes, and trinitrotoluene (TNT). The apparatus is based upon the use of fiber optics using filtered light. The preferred process of the invention relies upon a reflective chemical sensor and optical and electronic components to monitor a decrease in fluorescence when the nitro-aromatic molecules in aqueous solution combine and react with a fluorescent polycyclic aromatic compound.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: April 26, 1994
    Assignee: The United States of America as represented by the Department of Energy
    Inventors: William K. Reagen, Amber L. Schulz, Jani C. Ingram, Gregory D. Lancaster, Alan E. Grey
  • Detection device for high explosives
    Patent number: 5157261
    Abstract: A portable fiber optic detector that senses the presence of specific target chemicals by electrostatically attracting the target chemical to an aromatic compound coating on an optical fiber. Attaching the target chemical to the coated fiber reduces the fluorescence so that a photon sensing detector records the reduced light level and activates an appropriate alarm or indicator.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: October 20, 1992
    Assignee: EG&G Idaho, Inc.
    Inventors: Alan E. Grey, Judy K. Partin, Mark L. Stone, Ray M. Von Wandruszka, William K. Reagen, Jani C. Ingram, Gregory D. Lancaster
  • Fiber optic detector for immuno-testing
    Patent number: 5082630
    Abstract: A portable fiber optic detector that senses the presence of specific target chemicals in air or a gas by exchanging the target chemical for a fluoroescently-tagged antigen that is bound to an antibody which is in turn attached to an optical fiber. Replacing the fluorescently-tagged antigen reduces the fluorescence so that a photon sensing detector records the reduced light level and activates an appropriate alarm or indicator.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: January 21, 1992
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Judy K. Partin, Thomas E. Ward, Alan E. Grey
  • Polyphosphazene semipermeable membranes
    Patent number: 4749489
    Abstract: A semipermeable, inorganic membrane is disclosed; the membrane is prepared from a phosphazene polymer and, by the selective substitution of the constituent groups bound to the phosphorous in the polymer structure, the selective passage of fluid from a feedstream can be controlled. Resistance to high temperatures and harsh chemical environments is observed in the use of the phosphazene polymers as semipermeable membranes.
    Type: Grant
    Filed: May 30, 1986
    Date of Patent: June 7, 1988
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Charles A. Allen, Robert R. McCaffrey, Daniel G. Cummings, Alan E. Grey, Janine S. Jessup, Richard E. McAtee
  • Detection device for hazardous materials
    Patent number: H1297
    Abstract: A detection device that is activated by the interaction of a hazardous chcal with a coating interactive with said chemical on an optical fiber thereby reducing the amount of light passing through the fiber to a light detector. A combination of optical filters separates the light into a signal beam and a reference beam which after detection, appropriate amplification, and comparison with preset internal signals, activates an alarm means if a predetermined level of contaminant is observed.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: April 5, 1994
    Assignee: The United States of America as represented by the Department of Energy
    Inventors: Judy K. Partin, Alan E. Grey
  • Phosphazene polymer containing composites and method for making phosphazene polymer containing composites
    Patent number: H1309
    Abstract: A composite is produced by first coating a reinforcing material with an inorganic phosphazene compound and then polymerizing the phosphazene compound so as to confer superior thermal, physical and chemical resistance qualities to the composite.
    Type: Grant
    Filed: July 30, 1990
    Date of Patent: May 3, 1994
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Charles A. Allen, Alan E. Grey, Robert R. McCaffrey, Brenda M. Simpson, Mark L. Stone