Patents by Inventor Jason Michael Knight

Jason Michael Knight 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: 6627590
    Abstract: Compositions described herein are aqueous detergent compositions, preferably hard surface cleaning compositions, which contain C10 alkyl sulfate detergent surfactant, optional hydrophobic cleaning solvent, optional, but preferred, mono- or poly-carboxylic acid, and optional, but preferred, aqueous solvent system, the pH being from about 2 to about 5. They have excellent soap scum removal and hard water deposit removal properties and are easy to rinse. Such compositions optionally contain additional cosurfactant, preferably anionic surfactant, peroxide and/or hydrophilic polymer for additional benefits. Articles of manufacture comprising the composition and a sprayer and methods of use are also disclosed.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: September 30, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Alan Edward Sherry, Nicola John Policicchio, Jason Michael Knight
  • Patent number: 6479446
    Abstract: Compositions described herein are aqueous detergent compositions, preferably hard surface cleaning compositions, which contain a flexible lamellar sheet phase dispersed in the aqueous phase. The compositions are viscous, provide excellent soap scum and hard water properties and are easy to rinse. Such compositions are formulated by using an alkylaryl detergent composition in combination with an alcohol and/or cationic surfactant, together with a hydrotropic solvent, in an acidic system further optionally comprising a peroxide.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: November 12, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Alan Edward Sherry, Jeffrey Lawrence Flora, Jason Michael Knight, Zuchen Lin
  • Patent number: 5962388
    Abstract: Compositions described herein are aqueous detergent compositions, preferably hard surface cleaning compositions, which contain alkyl aryl sulfonate surfactant, selected hydrophobic cleaning solvent, polycarboxylic acid, and aqueous solvent system in solution and/or a micellar phase, the pH being from about 2 to about 4. The have excellent soap scum removal and hard water deposit removal properties and are easy to rinse. Such compositions optionally contain additional anionic sulfate surfactant, cationic surfactant, peroxide and/or hydrophilic polymer for additional benefits.
    Type: Grant
    Filed: January 4, 1999
    Date of Patent: October 5, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Alan Edward Sherry, Jeffrey Lawrence Flora, Jason Michael Knight