Patents by Inventor Joshua B. Lightfoot

Joshua B. Lightfoot 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).

  • Coating with amine curing agent, epoxide-containing toughener, expoxy resin and rubber toughener
    Patent number: 7465477
    Abstract: This invention concerns an epoxy coating for use as a non-skid surface for applications such as the deck of an aircraft carrier. The epoxy coating can be formulated from (a) an amine curing agent, (b) an epoxide-containing toughening agent such as a polysulfide and/or a polythioether, (c) an epoxy resin, (d) a rubber toughening agent, and (e) an optional fire retardant, a glass fiber thixotrope and impact toughening agent, an optional pigment, an optional corrosion inhibitor, an optional moisture penetration inhibitor, an optional ultraviolet light stabilizer, an optional abrasive aggregate, or a combination thereof.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: December 16, 2008
    Assignee: Texas Research International, Inc.
    Inventors: George P. Hansen, Rock A. Rushing, John W. Bulluck, Joshua B. Lightfoot, Brad A. Rix
  • Manufacturing sides of amine curing agent and rubber toughener, and epoxy resin and epoxide-containing toughener
    Patent number: 7435767
    Abstract: This invention concerns an epoxy coating for use as a non-skid surface for applications such as the deck of an aircraft carrier. The epoxy coating can be formulated from (a) an amine curing agent, (b) an epoxide-containing toughening agent such as a polysulfide and/or a polythioether, (c) an epoxy resin, (d) a rubber toughening agent, and (e) an optional fire retardant, a glass fiber thixotrope and impact toughening agent, an optional pigment, an optional corrosion inhibitor, an optional moisture penetration inhibitor, an optional ultraviolet light stabilizer, an optional abrasive aggregate, or a combination thereof.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: October 14, 2008
    Assignee: Texas Research International, Inc.
    Inventors: George P. Hansen, Rock A. Rushing, John W. Bulluck, Joshua B. Lightfoot, Brad A. Rix
  • Coating with sides of amine curing agent and rubber toughener, and epoxy resin and epoxide-containing toughener
    Patent number: 7435451
    Abstract: This invention concerns an epoxy coating for use as a non-skid surface for applications such as the deck of an aircraft carrier. The epoxy coating can be formulated from (a) an amine curing agent, (b) an epoxide-containing toughening agent such as a polysulfide and/or a polythioether, (c) an epoxy resin, (d) a rubber toughening agent, and (e) an optional fire retardant, a glass fiber thixotrope and impact toughening agent, an optional pigment, an optional corrosion inhibitor, an optional moisture penetration inhibitor, an optional ultraviolet light stabilizer, an optional abrasive aggregate, or a combination thereof.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: October 14, 2008
    Assignee: Texas Research International, Inc.
    Inventors: George P. Hansen, Rock A. Rushing, John W. Bulluck, Joshua B. Lightfoot, Brad A. Rix
  • Epoxy coating
    Patent number: 7037958
    Abstract: This invention concerns an epoxy coating for use as a non-skid surface for applications such as the deck of an aircraft carrier. The epoxy coating can be formulated from (a) an amine curing agent, (b) an epoxide-containing toughening agent such as a polysulfide and/or a polythioether, (c) an epoxy resin, (d) a rubber toughening agent, and (e) an optional fire retardant, a glass fiber thixotrope and impact toughening agent, an optional pigment, an optional corrosion inhibitor, an optional moisture penetration inhibitor, an optional ultraviolet light stabilizer, an optional abrasive aggregate, or a combination thereof.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: May 2, 2006
    Assignee: Texas Research International, Inc.
    Inventors: George P. Hansen, Rock A. Rushing, John W. Bulluck, Joshua B. Lightfoot, Brad A. Rix
  • Coating with primer and topcoat both containing polysulfide, epoxy resin and rubber toughener
    Patent number: 6632860
    Abstract: A process for coating a solid surface comprises 1) applying onto a solid surface a primer coating prepared from an amine curing agent, a polysulfide toughening agent, an epoxy resin, a rubber toughening agent, a fire retardant, a glass fiber thixotrope, and a pigment; and 2) applying onto the primer coating a topcoat prepared from an amine curing agent, a polysulfide toughening agent, an epoxy resin, a rubber toughening agent, a fire retardant, a glass fiber thixotrope, a pigment and an abrasive aggregate.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: October 14, 2003
    Assignee: Texas Research International, Inc.
    Inventors: George P. Hansen, Rock A. Rushing, John Werner Bulluck, Joshua B. Lightfoot, Brad A. Rix