Patents by Inventor Gordon Ridley

Gordon Ridley 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: 7947642
    Abstract: The present invention relates to a spray-drying process for the preparation of a spray-dried detergent powder having a bulk density of 426 g/l or less, wherein the spray-dried detergent powder comprises an anionic detersive surfactant and from 0 wt % to 10 wt % zeolite builder and from 0 wt % to 10 wt % phosphate builder, and wherein the process comprises the step of: (a) preparing an aqueous slurry suitable for spray-drying comprising from 30 wt % to 60 wt % water and from 40 wt % to 70 wt % non-aqueous material, wherein the non-aqueous material comprises an inorganic component and an organic component, wherein the weight ratio of the inorganic component to organic component is in the range of from 0.3:1 to 5:1; and (b) spraying the slurry into a spray-drying tower, wherein the temperature of the slurry as it enters the spray-drying tower is in the range of from 65° C. to 140° C., and wherein the outlet air temperature of the spray-drying tower is in the range of from 70° C. to 120° C.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: May 24, 2011
    Assignee: The Procter & Gamble Company
    Inventors: Nigel Patrick Somerville Roberts, Paul Andrzej Luksza, Gordon Ridley, Callum Niall Fergus Finlay, Alan Thomas Brooker
  • Publication number: 20100285712
    Abstract: An emulsion for treating natural fabrics is provided which comprises lanolin, water, perfume and is essentially free of cationic surfactant. Also included is an article for treating natural fabrics wherein the article comprises a substrate and an emulsion, a kit for treating natural fabrics, and a method of treating natural fabrics in a dryer.
    Type: Application
    Filed: May 3, 2010
    Publication date: November 11, 2010
    Inventors: Nigel Patrick Somerville Roberts, Graeme Taylor, David Roy Sandbach, Alan Thomas Brooker, Gordon Ridley
  • Publication number: 20080261854
    Abstract: The present invention relates to a spray-drying process for the preparation of a spray-dried detergent powder having a bulk density of 426 g/l or less, wherein the spray-dried detergent powder comprises an anionic detersive surfactant and from 0 wt % to 10 wt % zeolite builder and from 0 wt % to 10 wt % phosphate builder, and wherein the process comprises the step of: (a) preparing an aqueous slurry suitable for spray-drying comprising from 30 wt % to 60 wt % water and from 40 wt % to 70 wt % non-aqueous material, wherein the non-aqueous material comprises an inorganic component and an organic component, wherein the weight ratio of the inorganic component to organic component is in the range of from 0.3:1 to 5:1; and (b) spraying the slurry into a spray-drying tower, wherein the temperature of the slurry as it enters the spray-drying tower is in the range of from 65° C. to 140° C., and wherein the outlet air temperature of the spray-drying tower is in the range of from 70° C. to 120° C.
    Type: Application
    Filed: October 16, 2007
    Publication date: October 23, 2008
    Inventors: Nigel Patrick Somerville Roberts, Paul Andrzej Luksza, Gordon Ridley, Callum Niall Fergus Finlay, Alan Thomas Brooker
  • Publication number: 20030073607
    Abstract: Disclosed herein are pro-perfume compositions comprising the reaction product of a primary and/or secondary amine compound with a combination of a perfume ketone component and a high molecular weight, high boiling point perfume aldehyde component. Pro-perfumes made from this selected type of reaction product provide a multi-odor benefit to surfaces contacted therewith. Such pro-perfumes are also especially easy to suspend in liquid detergent products.
    Type: Application
    Filed: May 9, 2002
    Publication date: April 17, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Johan Smets, Rafael Trujillo, Abdennaceur Fredj, Daniel Jerome White, Robert Walter Boswell, Gordon Ridley
  • Patent number: 4985170
    Abstract: Toilet compositions in beta-phase bar form comprising 45% to 90% C.sub.8-24 fatty acid soap, 0.5% to 45% of ethoxylated nonionic surfactant, and 0.01% to 5% of a water-soluble polymer. The compositions have improved scum-control uncharacteristics with excellent mildness, smear, lathering and transparency/translucency.
    Type: Grant
    Filed: October 5, 1988
    Date of Patent: January 15, 1991
    Assignee: The Procter & Gamble Company
    Inventors: Geoffrey G. Dawson, Gordon Ridley
  • Patent number: 4678593
    Abstract: Transparent or translucent toilet compositions in bar form incorporating a smectite-type clay. The compositions are preferably milled toilet bars and demonstrate improved skin conditioning performance on oily skin types together with excellent bar appearance.
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: July 7, 1987
    Assignee: The Procter & Gamble Company
    Inventor: Gordon Ridley