Patents by Inventor Charles Kevin Schell

Charles Kevin Schell 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).

  • Patent number: 5908617
    Abstract: A mild liquid skin cleanser composition with improved lathering and rinsing characteristics, comprising: an alkyl ethoxylated sulfate anionic surfactant having an average degree of ethoxylation of at least about 2.0; an amphoteric surfactant selected from the group consisting of betaine surfactants, imidazoline surfactants, aminoalkanoate surfactants, and iminodialkanoate surfactants, and mixtures thereof; an N-acylamino acid surfactant, or salt thereof; a cationic cellulose ether derivative; from 0.2 parts to 2.0 parts by weight of a C8 to C20 fatty alcohol; and from 0.1 parts to 5 parts by weight of a water insoluble salt of C14-C22 fatty acid.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: June 1, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Christine June Moore, Everett Junior Inman, Timothy James Welch, Charles Kevin Schell
  • Patent number: 5866110
    Abstract: A mild personal cleansing composition is described which comprises an ethoxylated sulfate anionic surfactant, an amphoteric surfactant, an N-acylamino acid surfactant, a cationic cellulose ether derivative and a fatty alcohol. The composition is substantially free of polymeric thickeners and comprises little or no alkyl sulfate anionic surfactant.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: February 2, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Christine June Moore, Everett Junior Inman, Charles Kevin Schell