Patents by Inventor Charles K. Schell

Charles K. 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).

  • Mild shower gel composition comprising fatty alcohol which imparts improved lathering and thickening properties
    Patent number: 5632978
    Abstract: A mild liquid skin cleanser composition with improved lathering 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; and from 0.2 parts to 2.0 parts by weight of a C8 to C20 fatty alcohol.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: May 27, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Christine J. Moore, Everett J. Inman, Charles K. Schell
  • Mild shower gel composition comprising unique thickener system which imparts improved lathering properties and modified rinse feel
    Patent number: 5607678
    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: August 24, 1994
    Date of Patent: March 4, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Christine J. Moore, Everett J. Inman, Timothy J. Welch, Charles K. Schell