Patents by Inventor Peter Gerard Gray

Peter Gerard Gray 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: 7950254
    Abstract: A washing system for use in cleaning or washing a soiled substrate or substrates, the system comprising: a. a washing zone for contacting and washing the soiled substrate with wash liquor; b. a feed supply for providing hot or cold feed water to the washing zone; c. a wash liquor cleanup and recycle zone in fluid communication with the washing zone d. an effluent storage and/or discharge zone; and optionally one or more of e. a product dispensing zone; f. means for sonically or ultrasonically treating the soiled substrate in the washing zone or in a washing pre-treatment zone; g. an electrolysis zone for electrolysing the feed water or wash liquor; h. a wash liquor disinfection zone; and i. a feed water softening zone; The wash liquor cleanup and recycle zone preferably comprises an ultrafiltration or microfiltration device having a cut-off in the range from about 1000 Daltons to about 1 ?m, preferably from about 0.05 ?m to about 0.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: May 31, 2011
    Assignee: The Procter & Gamble Company
    Inventors: Peter Gerard Gray, Graeme Duncan Cruickshank, Adam Costello, Michael Duncan
  • Patent number: 7823237
    Abstract: A method for cleaning within a washing zone comprising: placing at least one article for treatment in the washing zone, providing of at least partially deionized water into the washing zone, and optionally providing cleaning composition into the washing zone wherein the combination of said optional cleaning composition and partial deionized water have a specific conductance of less than about 200 ?S/cm.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: November 2, 2010
    Assignee: The Procter & Gamble Company
    Inventors: John Christian Haught, Mark William Glogowski, Robb Richard Gardner, Andre Cesar Baeck, Andre Christian Convents, Johan Smets, Pascale Claire Annick Van Steenwinckel, Peter Gerard Gray, Graeme Duncan Cruickshank, Adam Costello, Michael Duncan
  • Patent number: 7790662
    Abstract: One aspect of the invention relates to a laundry detergent product comprising (a) a package comprising (1) a container; and (2) a closure; (b) a fluid laundry detergent pourable at ambient storage temperature and comprising at least one material copourable from the package with the fluid laundry detergent, wherein the material is selected from: (1) a detergent-copourable perfume composition; (2) a fabric care additive; (3) a laundry-specific detersive additive; (4) an enzyme; (5) a volatile malodorous compound; and (6) any combination thereof; (c) a headspace; and (d) a detergent-non-copourable perfume composition. Another aspect of the invention relates to methods for making or assembling the fluid laundry detergent package.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: September 7, 2010
    Assignee: The Procter & Gamble Company
    Inventors: Hilal Sahin Topkara, Alex James Orchard, Peter Gerard Gray, Manuel Mariani, Giovanni Carrara, Ingrid Merere, James Charles Theophile Roger Burckett St. Laurent, Johan Smets, Regis d'Hardemare, Hugo Robert Germain Denutte
  • Patent number: 7576048
    Abstract: Aqueous liquid laundry detergent compositions useful for cleaning fabrics wherein the compositions contain from about 0.05% to about 0.4%, by weight of the composition, of a cationic hydroxyethyl cellulose polymer having a degree of substitution of the cationic charge of from about 0.01 to about 0.20; from about 5% to about 30%, by weight of the composition, of a surfactant comprising at least one anionic surfactant and at least one nonionic surfactant; and from about 2% to about 15%, by weight of the composition, of fatty acid. Use of such aqueous liquid laundry detergent compositions for handwashing delicate fabrics. Use of such aqueous liquid laundry detergent compositions for machine washing of delicate fabrics, wherein the machine washing occurs at a delicate machine setting.
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: August 18, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Peter Gerard Gray, Karel Jozef Maria Depoot, Luc Marie Willy Lievens, Falke Elisabeth Vanneste, Serge Omer Alfons Jean Thooft
  • Publication number: 20080248986
    Abstract: Aqueous liquid laundry detergent compositions useful for cleaning fabrics wherein the compositions contain from about 0.05% to about 0.4%, by weight of the composition, of a cationic hydroxyethyl cellulose polymer having a degree of substitution of the cationic charge of from about 0.01 to about 0.20; from about 5% to about 30%, by weight of the composition, of a surfactant comprising at least one anionic surfactant and at least one nonionic surfactant; and from about 2% to about 15%, by weight of the composition, of fatty acid. Use of such aqueous liquid laundry detergent compositions for handwashing delicate fabrics. Use of such aqueous liquid laundry detergent compositions for machine washing of delicate fabrics, wherein the machine washing occurs at a delicate machine setting.
    Type: Application
    Filed: April 4, 2007
    Publication date: October 9, 2008
    Inventors: Peter Gerard Gray, Karel Jozef Maria Depoot, Luc Marie Willy Lievens, Falke Elisabeth Vanneste, Serge Omer Alfons Jean Thoof
  • 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
  • Patent number: 6683043
    Abstract: A process for manufacturing effervescence component comprises grinding a coarse acid source to obtain an acid source whereof at least 75% has a particle size from 0.1 to 150 microns, mixing the ground acid source and the carbon dioxide source and optionally the binder and/or other actives to form a mixture, and submitting the mixture to a granulation step, preferably comprising a compaction step and/or an agglomeration step.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: January 27, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Anthony Dovey, Peter Gerard Gray, Gail Margaret Baston, Zoe Dyter, Christopher Charles Driffield, David William York
  • Patent number: 6548467
    Abstract: The invention relates to compositions comprising a peroxyacid bleach precursor, a peroxide source, at least about 15% by weight of a carbonate source, which may comprise the hydrogen peroxide source or part thereof, and at least about 7% by weight of an organic carboxylic acid whereby a 1% solution of the composition in demineralised water provides a pH from 8.8 to 9.9. The compositions are useful to provide sanitization of fabrics, in particular to reduce the activity of certain bacteria groups.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: April 15, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Ashley Sutherland Baker, Kristien Greta Govers, Tiffany Alice Hensman, Peter Gerard Gray
  • Publication number: 20020128165
    Abstract: The invention relates to compositions comprising a peroxyacid bleach precursor, a peroxide source, at least about 15% by weight of a carbonate source, which may comprise the hydrogen peroxide source or part thereof, and at least about 7% by weight of an organic carboxylic acid whereby a 1% solution of the composition in demineralised water provides a pH from 8.8 to 9.9. The compositions are useful to provide sanitization of fabrics, in particular to reduce the activity of certain bacteria groups.
    Type: Application
    Filed: February 28, 2002
    Publication date: September 12, 2002
    Applicant: The Procter & Gamble Company
    Inventors: Ashley Sutherland Baker, Kristien Greta Govers, Tiffany Alice Hensman, Peter Gerard Gray
  • 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
  • Patent number: 6087314
    Abstract: The present invention relates to detergent compositions having a pH of at least 8.0 in a 0.5% by weight aqueous solution containing a mixture of AS and LAS surfactants and cationic surfactants of the formula: R.sup.1 R.sup.2 R.sup.3 R.sup.4 N+X.sup.- in which R.sup.1 is a hydroxyalkyl group having no greater than 6 carbon atoms; each of R.sup.2 and R.sup.3 is independently selected from C.sub.1 -C.sub.4 alkyl or alkenyl; R.sup.4 is one or mixtures of more than one of C.sub.5-11 alkyl or alkenyl; and X.sup.- is a counterion which does not substantially exchange with a hydroxide ion at 20.degree. C. in a 0.5% by weight solution of the detergent composition.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: July 11, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Stephen Wayne Heinzman, Robin Gibson Hall, Peter Gerard Gray