Patents by Inventor Barbara Y. McFarquhar

Barbara Y. McFarquhar 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).

  • Method for detecting detergent compositions for enhanced silicone deposition comprising silicone and cationic polymers
    Patent number: 5422280
    Abstract: This invention involves a method for determining silicone deposition enhancing cationic polymers to be formulated into silicone-containing formulations which comprises the steps of preparing a composition having an anionic surfactant, an amphoteric surfactant, silicone, and a cationic polymer, diluting that composition, and making a positive determination if flocculation occurs within three days.
    Type: Grant
    Filed: August 6, 1993
    Date of Patent: June 6, 1995
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: John F. Helliwell, Barbara Y. McFarquhar, Virgilio Villa
  • Aqueous based personal washing cleanser
    Patent number: 5290471
    Abstract: An aqueous based personal washing product is disclosed which when used has good cleaning ability and is particularly mild to the skin. The liquid product, containing a selected blend of surfactants and emollients, including long chain fatty acids, free isethionate salts and acyl-isethionates is particularly adapted for facial washing.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: March 1, 1994
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Alan P. Greene, Barbara Y. McFarquhar, Rosa M. Paredes, Marianne E. Fenske, Frederick S. Osmer
  • Aqueous based personal washing cleanser
    Patent number: 5234619
    Abstract: An aqueous based personal washing product is disclosed which when used has good cleaning ability and is particularly mild to the skin. The liquid product, containing a selected blend of surfactants and emollients, including long chain fatty acids, free isethionate salts and acyl-isethionates is particularly adapted for facial washing.
    Type: Grant
    Filed: April 17, 1991
    Date of Patent: August 10, 1993
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Alan P. Greene, Barbara Y. McFarquhar, Rosa M. Paredes, Marianne E. Fenske, Frederick S. Osmer