Patents by Inventor Eleanor Bernice Ridley

Eleanor Bernice 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).

  • Publication number: 20160367466
    Abstract: The present disclosure relates to liquid dispersion polymer compositions which comprise microparticles of a hydrophilic, water soluble, or swellable polymer. The embodiments described herein are useful in personal care and pharmaceutical compositions.
    Type: Application
    Filed: September 2, 2016
    Publication date: December 22, 2016
    Inventors: Eleanor Bernice Ridley, Michael Green, David Normington
  • Patent number: 8252300
    Abstract: The present invention relates to a copolymer derived from the polymerization of a) at least one cationic monomer of formula (I), where in R1 is hydrogen or methyl, R2 is hydrogen or C1-C4alkyl, R3, R4 and R5 are independently from each other hydrogen or C1-C4alkyl, n is a integer from 1-5, and Y is a counterion, and b) at least one monomer of formula (II) wherein R6 signifies hydrogen or methyl, and R7, R8 and R9 signify independently from each other hydrogen or C1-C4alkyl, with the proviso that at least one of the substituents R6, R7, R8 and R9 and C1-4alkyl and c) optionally at least one cross-linking agent, which contains at least two ethylenically unsaturated moieties, as well as to their use in personal care product and to the personal care products.
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: August 28, 2012
    Assignee: BASF SE
    Inventors: Eleanor Bernice Ridley, Michael Green
  • Patent number: 7951763
    Abstract: Use of an aqueous solution of a cationic copolymer in a personal care composition, characterized in that the cationic copolymer is formed from a cationic monomer and a nonionic monomer, wherein said cationic copolymer has an average molecular weight in the range 30,000 to 300,000 and the aqueous solution has a concentration of 20 to 50% by weight and a viscosity of less than 10,000 cP at 25° C. The invention also comprises cosmetic compositions obtained from the aqueous solution of the cationic copolymer.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: May 31, 2011
    Assignee: BASF SE
    Inventors: Robert Cockcroft, Eleanor Bernice Ridley, Valerie Reynolds
  • Patent number: 7629304
    Abstract: Use of an aqueous solution of a cationic copolymer in a detergent composition, characterized in that the cationic copolymer is formed from a cationic monomer and a nonionic monomer wherein said cationic copolymer has an average molecular weight in the range 30,000 to 300,000 and the aqueous solution has a concentration of 20 to 50% by weight and a viscosity of less than 10,000 cP at 25° C. The invention also claims cosmetic compositions obtained from the aqueous solution of a cationic copolymer.
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: December 8, 2009
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Robert Cockcroft, Eleanor Bernice Ridley, Valerie Reynolds
  • Publication number: 20090036340
    Abstract: Use of an aqueous solution of a cationic copolymer in a detergent composition, characterized in that the cationic copolymer is formed from a cationic monomer and a nonionic monomer wherein said cationic copolymer has an average molecular weight in the range 30,000 to 300,000 and the aqueous solution has a concentration of 20 to 50% by weight and a viscosity of less than 10,000 cP at 25° C. The invention also claims cosmetic compositions obtained from the aqueous solution of a cationic copolymer.
    Type: Application
    Filed: July 17, 2008
    Publication date: February 5, 2009
    Inventors: Robert Cockcroft, Eleanor Bernice Ridley, Valerie Reynolds
  • Publication number: 20080275138
    Abstract: Liquid dispersion polymer compositions which comprise microparticles of a hydrophilic, water soluble or swellable polymer with a neutralization level of from about 25% to about 100%, preferably an acrylic-based polymer, dispersed in a suitable non-aqueous carrier fluid and an oil-in-water surfactant, are useful to prepare microparticulate thickening systems to thicken aqueous or aqueous/organic compositions, particularly for use in personal care and pharmaceutical formulations.
    Type: Application
    Filed: March 30, 2005
    Publication date: November 6, 2008
    Inventors: Eleanor Bernice Ridley, Michael Green, David Normington
  • Patent number: 6833406
    Abstract: Liquid dispersion polymer compositions which comprise microparticles of a hydrophilic, water soluble or swellable polymer, preferably an acrylic-based polymer, dispersed in a silicone polymer fluid and an oil-in-water surfactant, are useful to prepare microparticulate thickening systems to thicken aqueous or aqueous/organic compositions, particularly for use in personal care and pharmaceutical formulations.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: December 21, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Michael Green, Howard Roger Dungworth, Dwayne Erick Gavin, Eleanor Bernice Ridley
  • Publication number: 20040029768
    Abstract: Use of an aqueous solution of a cationic copolymer in a detergent composition, characterized in that the cationic copolymer is formed from a cationic monomer and a nonionic monomer wherein said cationic copolymer has an average molecular weight in the range 30,000 to 300,000 and the aqueous solution has a concentration of 20 to 50% weight and a viscosity of less than 10,000 cP at 25° C. The invention also claims cosmetic compositions obtained from the aqueous solution of a cationic copolymer.
    Type: Application
    Filed: April 29, 2003
    Publication date: February 12, 2004
    Inventors: Robert Cockcroft, Eleanor Bernice Ridley, Valerie Reynolds
  • Patent number: 6365656
    Abstract: Liquid dispersion polymer compositions which comprise microparticles of a hydrophilic, water soluble or swellable polymer, preferably an acrylic-based polymer, dispersed in a di- or triglyceride oil such as soybean oil and an oil-in-water surfactant, are useful to prepare microparticulate thickening systems to thicken aqueous or aqueous/organic compositions, particularly for use in personal care and pharmaceutical formulations. The preparation and the use of these liquid dispersion polymer compositions is described.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: April 2, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Michael Green, Eleanor Bernice Ridley, Dwayne Erick Gavin