Patents by Inventor Timothy Jay Roth

Timothy Jay Roth 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).

  • Modified cement and concrete compositions
    Patent number: 5843222
    Abstract: A cementitious composition comprising 0.1 to about 7.5 percent by weight of a solid residual oxidation product from the combustion of an aqueous emulsion of a naturally occurring asphalt from the Orinoco Belt of Venezuela which contains from about 100 to about 1500 ppm by weight of magnesium in the form of a water soluble magnesium salt, which product from the combustion contains magnesium sulfate present in the amount of from about 0.05 to about 4 percent by weight of the cementitious composition and from about 92.5 to about 99.95 percent by weight of a hydraulic silicate cement material.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: December 1, 1998
    Assignee: Air Products and Chemicals, Inc.
    Inventors: F. MacGregor Miller, Timothy Jay Roth, William Russell Welliver
  • Bituminous compositions having enhanced performance properties
    Patent number: 5711796
    Abstract: Bituminous compositions of enhanced physical/performance properties comprising an oxidation product of a naturally occurring asphalt from the Orinoco Belt of Venezuela and the bitumen base material, and methods for their preparation.
    Type: Grant
    Filed: October 16, 1995
    Date of Patent: January 27, 1998
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kenneth Francis Grzybowski, David Reese Jones, IV, William Russell Welliver, Timothy Jay Roth
  • Fire retardant plastic construction material
    Patent number: 5658972
    Abstract: Fire retardant plastic construction materials containing a fire retarding quantity of the oxidation product of certain asphalts.
    Type: Grant
    Filed: November 28, 1995
    Date of Patent: August 19, 1997
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kenneth Francis Grzybowski, David Reese Jones, IV, William Russell Welliver, Timothy Jay Roth
  • Modified gypsum compositions
    Patent number: 5639298
    Abstract: A set control composition and/or interground blend of materials including a calcium sulfate material and magnesium sulfate.
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: June 17, 1997
    Assignee: Air Products and Chemicals, Inc.
    Inventors: F. MacGregor Miller, Timothy Jay Roth, William Russell Welliver, John Robert Brown