Patents by Inventor R. Vernon Snelgrove

R. Vernon Snelgrove 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).

  • Patent number: 4952466
    Abstract: An electric storage device comprising an anode, a cathode and an electrolyte comprising a functionalized polymeric material, and a novel electrolyte.
    Type: Grant
    Filed: November 1, 1988
    Date of Patent: August 28, 1990
    Assignee: The Dow Chemical Company
    Inventors: Robert A. Cipriano, R. Vernon Snelgrove, Francis P. McCullough, Jr.
  • Patent number: 4950540
    Abstract: Flame retarding and fire barrier structure comprising a blend of carbonaceous fibers and natural and/or synthetic fibers. The carbonaceous fibers have a nitrogen content of 5 to 35%, an LOI value of greater than 40 and are derived from stabilized acrylic fibers.
    Type: Grant
    Filed: July 11, 1989
    Date of Patent: August 21, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove, Frank W. Hale, David M. Hall
  • Patent number: 4950533
    Abstract: Flame retarding and fire barrier structure comprising a blend of carbonaceous fibers and natural and/or synthetic polymeric fibers. The carbonaceous fibers are present in the blend in an amount of from 7.5 to 92.5 percent and have a carbon content of greater than 65 percent and a LOI value of greater than 40. The structure also contains carbonaceous particles or platelets.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: August 21, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove, David M. Hall
  • Patent number: 4944999
    Abstract: A thermally stable metal coated carbonaceous fiber batting, fiber tow, yarn or fabric which maintains loft, has some degree of resiliency and some degree of stability in the presence of various concentrations of oxygen at elevated temperatures, said fibers having a reversible deflection ratio of greater than 1.2:1 and an aspect ratio greater than 10:1.
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: July 31, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove, Steven L. Brewster, George C. Higgins
  • Patent number: 4943478
    Abstract: A non-linear fire retarding and fire blocking covering for a foam seat cushion structure comprising an intimate blend of a binder and 25-75% by weight of fibers comprising heat set carbonaceous fibers having a LOI value greater than 40, said carbonaceous fibers being derived from heat treated stabilized polymeric fibers or pitch based fibers.
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: July 24, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove
  • Patent number: 4929521
    Abstract: An electric storage device comprising an anode, a cathode and an electrolyte comprising the lithium salt of an aliphatic acid having 10 to 24 carbon atoms.
    Type: Grant
    Filed: November 1, 1988
    Date of Patent: May 29, 1990
    Assignee: The Dow Chemical Company
    Inventors: Robert A. Cipriano, R. Vernon Snelgrove, Francis P. McCullough, Jr.
  • Patent number: 4923747
    Abstract: A lightweight ceramic structure comprising a set porous ceramic composition and a batting, felt or web of carbonaceous fibers within said ceramic composition in a reinforcing amount.
    Type: Grant
    Filed: August 18, 1988
    Date of Patent: May 8, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., Steven L. Brewster, R. Vernon Snelgrove
  • Patent number: 4902561
    Abstract: A process for producing an interlocked fibrous structure useful as a thermal insulating and/or sound absorbing structure comprising at least one batting of non-flammable carbonaceous fibers, by the steps comprising implanting said batting with non-carbonaceous polymeric fibers and then heat treating the structure in an inert atmosphere so as to transform said non-carbonaceous fibers into substantially permanently set carbonaceous fibers.
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: February 20, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove, Bhuvenesh C. Goswami
  • Patent number: 4902563
    Abstract: A thermally stable ceramic and/or metal coated carbonaceous fiber batting, fiber tow, yarn or fabric which maintains loft, has some degree of resiliency and some degree of stability in the presence of various concentrations of oxygen at elevated temperatures.
    Type: Grant
    Filed: March 4, 1988
    Date of Patent: February 20, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., Steven L. Brewster, R. Vernon Snelgrove, George C. Higgins
  • Patent number: 4898783
    Abstract: A thermal insulating and/or sound absorbing structure comprising a batting of resilient, elongatable, non-flammable non-linear carbonaceous fibers, said fibers having a reversible deflection ratio of greater than 1.2:1, an aspect ratio greater than 10:1 and an LOI value greater than 40.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: February 6, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., Robert L. Hotchkiss, R. Vernon Snelgrove, David M. Hall, Jacqueline R. McCullough
  • Patent number: 4897303
    Abstract: A buoyant article which can be used for floatation and/or insulation comprising a coated batting, felt or non-woven web of resilient shape reforming elongatable non-linear carbonaceous fibers, said fibers having a reversible deflection ratio of greater than 1.2:1 and said coating comprising a water insoluble hydrophobic cured or set substance.
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: January 30, 1990
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove
  • Patent number: 4886715
    Abstract: A primary rechargeable electrical energy storage device comprising a housing having an electrically non-conductive interior surface, at least one cell positioned in said housing, each cell comprising an anode consisting of a low melting metal selected from the group consisting of alkali metal, alkali metal alloy and alkali metal eutectic mixture, a separator surrounding said anode, said separator being capable of transporting ionic species and electrically isolating said anode, a cathode comprising a carbonaceous graphite cloth, and a non-aqueous electrolyte.
    Type: Grant
    Filed: September 28, 1988
    Date of Patent: December 12, 1989
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., Robert A. Cipriano, R. Vernon Snelgrove
  • Patent number: 4879168
    Abstract: Flame retarding and fire barrier structure comprising a blend of carbonaceous fibers and natural and/or synthetic fibers. The carbonaceous fibers have a nitrogen content of 5 to 35%, an LOI value of greater than 40 and are derived from stabilized acrylic fibers.
    Type: Grant
    Filed: October 28, 1987
    Date of Patent: November 7, 1989
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., Frank W. Hale, R. Vernon Snelgrove, David M. Hall
  • Patent number: 4877695
    Abstract: An electrochemical cell comprising an anode composed of a molten mixture of non-lithium alkali metals, a cathode comprising an electrically conductive carbonaceous material and an electrolyte comprising an electrolyte salt and a non-aqueous solvent.
    Type: Grant
    Filed: November 1, 1988
    Date of Patent: October 31, 1989
    Assignee: The Dow Chemical Company
    Inventors: Robert A. Cipriano, R. Vernon Snelgrove, Francis P. McCullough, Jr.
  • Patent number: 4868037
    Abstract: An improved washable insulating article comprising a batting of resilient, elongatable, non-flammable non-linear carbonaceous fibers, said fibers having a reversible deflection ratio of greater than 1.2:1, an aspect ratio greater than 10:1 and an LOI value greater than 40 and the articles of apparel derived therefrom.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: September 19, 1989
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove
  • Patent number: 4857394
    Abstract: A flame retardant polymeric foam having a flame retarding amount of heat set carbonaceous fibers derived from stabilized acrylic fibers or pitch based fibers, said fibers having an LOI value greater than 40.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: August 15, 1989
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove, Bhuvenesh C. Goswami
  • Patent number: 4844974
    Abstract: An antislosh, flame arresting structure for use in or with containers holding flammable fluids comprising a multiplicity of heat set carbonaceous fibers having an LOI value greater than 40 in an amount effective for preventing sloshing of the fluids and capable of arresting a flame front.
    Type: Grant
    Filed: November 18, 1987
    Date of Patent: July 4, 1989
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Jr., R. Vernon Snelgrove, Eckel R. Lane, David M. Hall