Patents by Inventor Ruby Loo Tan-Walker

Ruby Loo Tan-Walker 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: 20030017126
    Abstract: The present invention describes an aqueous washing composition comprising (i) from 0.05 to 5 wt % cationic surfactant containing a hydrocarbyl chain of length from 8 to 22 carbon atoms, (ii) an anionic surfactant containing a hydrocarbyl chain of length from 8 to 22 carbon atoms which is within 2 carbons atoms of the length of the hydrocarbyl chain of the cationic surfactant (i), the weight ratio of anionic surfactant (ii) to cationic surfactant (i) being greater than 1:1, (iii) a deposition aid, and (iv) water-insoluble particles which are anionic or nonionic in nature, the weight ratio of (iv) to (i) being in the range from 150:1 to 2:3.
    Type: Application
    Filed: July 10, 2002
    Publication date: January 23, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Anand Ramchandra Mahadeshwar, Ruby Loo Tan-Walker
  • Patent number: 6444628
    Abstract: An aqueous shampoo composition comprising, in addition to water an anionic cleansing surfactant, a cationic polymer, and a monoalkyl quaternary ammonium compound in which the alkyl chain length is C8 to C14.
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: September 3, 2002
    Assignee: Unilever Home & Personal Care USA, a division of Conopco, Inc.
    Inventors: Cecile Nocerino, Ruby Loo Tan-Walker
  • Publication number: 20020039564
    Abstract: The present invention provides a hair oil comprising a blend of:
    Type: Application
    Filed: June 13, 2001
    Publication date: April 4, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Kelvin Brian Dickinson, Emmanuel Paul Everaert, Ruby Loo Tan-Walker
  • Publication number: 20020019322
    Abstract: An aqueous shampoo composition comprising, in addition to water an anionic cleansing surfactant, a cationic polymer, and a monoalkyl quaternary ammonium compound in which the alkyl chain length is C8 to C14.
    Type: Application
    Filed: May 3, 2001
    Publication date: February 14, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Cecile Nocerino, Ruby Loo Tan-Walker