Patents by Inventor Terri Williams

Terri Williams 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).

  • Wet state preservation of mineral slurries
    Patent number: 8317912
    Abstract: The present invention relates to an antimicrobial composition comprising an isothiazolin-3-one, such as 1,2-benzisothiazolin-3-one, a zinc compound selected from zinc salts, zinc oxide, zinc hydroxide or combinations thereof, a pyrithione salt or pyrithione acid, and a surfactant selected from the group consisting of (i) an anionic surfactant having a sulfate or sulfonate moiety attached to a straight or branched chain containing from about 10 to about 18 atoms at the backbone of the chain, (ii) an anionic surfactant being an alkylaryl sulfonic acid or salt thereof wherein the alkyl portion contains from about 10 to about 18 carbon atoms, and the aryl portion contains a benzyl or substituted benzyl group, and combinations thereof. This composition is particularly effective in preventing the growth of various microorganisms in mineral slurries such as aqueous calcium carbonate slurries.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: November 27, 2012
    Assignee: Arch Chemicals, Inc.
    Inventors: Helen Margaret Hyde, Fitzgerald Clarke, Helmut Peters, Terri Williams
  • Wet State Preservation of Mineral Slurries
    Publication number: 20120247364
    Abstract: The present invention relates to an antimicrobial composition comprising an isothiazolin-3-one, such as 1,2-benzisothiazolin-3-one, a zinc compound selected from zinc salts, zinc oxide, zinc hydroxide or combinations thereof, a pyrithione salt or pyrithione acid, and a surfactant selected from the group consisting of (i) an anionic surfactant having a sulfate or sulfonate moiety attached to a straight or branched chain containing from about 10 to about 18 atoms at the backbone of the chain, (ii) an anionic surfactant being an alkylaryl sulfonic acid or salt thereof wherein the alkyl portion contains from about 10 to about 18 carbon atoms, and the aryl portion contains a benzyl or substituted benzyl group, and combinations thereof. This composition is particularly effective in preventing the growth of various microorganisms in mineral slurries such as aqueous calcium carbonate slurries.
    Type: Application
    Filed: March 9, 2012
    Publication date: October 4, 2012
    Inventors: Helen Margaret Hyde, Fitzgerald Clarke, Helmut Peters, Terri Williams
  • Dimensionally stable wood and method for making dimensionally stable wood
    Patent number: 8201600
    Abstract: A wood plank which is dimensionally stable and moisture resistant includes a sealant layer on at least four of its sides. A geometric variation (e.g., tongue and groove) may be located on at least one side of the dimensionally stable wood. The sealant layer may be applied to the tongue and groove as well. A method for manufacturing the dimensionally stable wood is also described.
    Type: Grant
    Filed: February 5, 2007
    Date of Patent: June 19, 2012
    Assignee: Ten Oaks LLC
    Inventors: Terri Williams Birkett, Buddy Earl Williams, Warren Lee Williams
  • Nail stand
    Patent number: D305370
    Type: Grant
    Filed: February 17, 1987
    Date of Patent: January 2, 1990
    Inventor: Terri A. Williams