Patents by Inventor Hitrendra Mathur

Hitrendra Mathur 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).

  • Compositions and methods for treating hair and skin using aqueous delivery systems
    Patent number: 6558697
    Abstract: Compositions containing at least one organic phospholipid capable of forming bilayers in aqueous solution; at least one amphoteric surfactant; and at least one nonionic surfactant present in an amount by weight equal to or greater than the amount of the phospholipid; where the phospholipid and surfactants are present in a combined amount sufficient to allow at least one water-insoluble ingredient selected from waxes and unneutralized and partially neutralized water-insoluble polymers, resins, and latexes to be incorporated into an aqueous solution. A delivery system containing the composition and methods for styling hair and for treating keratinous substances are also disclosed.
    Type: Grant
    Filed: August 23, 2001
    Date of Patent: May 6, 2003
    Assignee: L'Oreal
    Inventors: David W. Cannell, Hitrendra Mathur, Nghi Nguyen, Cynthia Espino
  • Compositions and methods for treating hair and skin using aqueous delivery systems
    Publication number: 20020012647
    Abstract: Compositions containing at least one organic phospholipid capable of forming bilayers in aqueous solution; at least one amphoteric surfactant; and at least one nonionic surfactant present in an amount by weight equal to or greater than the amount of the phospholipid; where the phospholipid and surfactants are present in a combined amount sufficient to allow at least one water-insoluble ingredient selected from waxes and unneutralized and partially neutralized water-insoluble polymers, resins, and latexes to be incorporated into an aqueous solution. A delivery system containing the composition and methods for styling hair and for treating keratinous substances are also disclosed.
    Type: Application
    Filed: August 23, 2001
    Publication date: January 31, 2002
    Applicant: L'Oreal
    Inventors: David W. Cannell, Hitrendra Mathur, Nghi Nguyen, Cynthia Espino