Patents by Inventor Robert James Chatfield

Robert James Chatfield 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).

  • Publication number: 20190264364
    Abstract: A laundry product dispensing device (10) for placing in a washing machine drawer (19, 20) housing a detergent and a fabric treatment composition, the device having dispensing mechanisms (22, 23) for dispensing unit doses into the respective channels of the washing machine drawer when a sensor (16, 17) detects water in the channel.
    Type: Application
    Filed: October 18, 2017
    Publication date: August 29, 2019
    Inventors: Robert James Chatfield, Deborah Jane Cooke, Janet Grigor, Alyn James Parry, Giovanni Francesco Unali
  • Publication number: 20040023835
    Abstract: A fabric care composition comprises a cellulase and a polymeric material which is capable of self cross-linking and/or of reacting with cellulose, wherein the polymeric material comprises one or more poly(oxyalkylene) groups having an end group which comprises one or more amino groups or derivatives of said amino groups. The compositions may be used to treat fabric as part of a laundering process and improve the surface colour definition of the fabric following multiple washings and impart pill and/or fuzz resistance to fabric during laundering.
    Type: Application
    Filed: June 23, 2003
    Publication date: February 5, 2004
    Inventors: Robert James Chatfield, Robert John Crawford, Vanessa Louise Kilhams (nee Hodben)
  • Publication number: 20010056049
    Abstract: An aqueous detergent composition, which is in the form of a thickened, mobile fluid, comprising foaming detergent and a polymer or polymer mixture which is capable of forming a reversible gel, which polymer or mixture is present in the composition as a multiplicity of individual gel particles.
    Type: Application
    Filed: March 31, 1999
    Publication date: December 27, 2001
    Inventors: MICHAEL PAUL ARONSON, CHARLES RUPERT BROWN, ROBERT JAMES CHATFIELD, PETER FAIRLEY, IAN TIMOTHY NORTON, JASON RICHARD WILLIAMS
  • Patent number: 6329331
    Abstract: An aqueous detergent composition, which is in the form of a thickened, mobile fluid, comprising foaming detergent and a polymer or polymer mixture which is capable of forming a reversible gel, which polymer or mixture is present in the composition as a multiplicity of individual gel particles.
    Type: Grant
    Filed: March 31, 1999
    Date of Patent: December 11, 2001
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Michael Paul Aronson, Charles Rupert Brown, Robert James Chatfield, Peter Fairley, Ian Timothy Norton, Jason Richard Williams
  • Patent number: 6265368
    Abstract: A thickened, aqueous detergent composition having an aqueous phase containing foaming surfactant, carrageenan and water. Conveniently, the carrageenan is at least half kappa or iota carrageenan, or a mixture of the two.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: July 24, 2001
    Assignee: Lever Brothers Company, division of Conopco, Inc.
    Inventors: Michael Paul Aronson, Charles Rupert Brown, Robert James Chatfield, Edwin Willis