Patents by Inventor Robert Michael Pettifer

Robert Michael Pettifer 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).

  • Detergent compositions or components
    Patent number: 6756353
    Abstract: Detergent compositions or components are formulated with certain hydrophobically modified cellulosic materials, which provide protection of fabrics, whereof at least 80% or even at least 90% have a particle size of below 1000 microns or even below 850 or even 710 microns. Selection of materials of this particle size results in improved dispersability of the cellulosic material and imparts improved appearance and integrity benefits to fabrics and textiles laundered in washing solutions from such compositions.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: June 29, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Robert Michael Pettifer, Victor Stuart Reid, Paul Sherrington, Shirley Summers
  • Fabric treatment composition
    Patent number: 6726731
    Abstract: The present invention relates to a fabric treatment composition comprising surfactant, fabric substantive dye and dye auxiliary agent. The fabric treatment composition of the invention can be used to change, refresh or maintain the color of fabric.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: April 27, 2004
    Assignee: Procter & Gamble Company
    Inventors: Robert Michael Pettifer, Shirley Summers, Peter Gerard Gray
  • Fabric treatment composition
    Publication number: 20020108184
    Abstract: The present invention relates to a fabric treatment composition comprising surfactant, fabric substantive dye and dye auxiliary agent. The fabric treatment composition of the invention can be used to change, refresh or maintain the color of fabric.
    Type: Application
    Filed: June 28, 2001
    Publication date: August 15, 2002
    Inventors: Robert Michael Pettifer, Shirley Summers, Peter Gerard Gray