Patents by Inventor Carey J. Walsh

Carey J. Walsh 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).

  • Detergent compositions
    Patent number: 4734221
    Abstract: Stable, high-concentration (60-80% active matter) aqueous liquid detergent compositions based on dialkyl sulphosuccinates and alkyl ether sulphates contain a lower alcohol, preferably ethanol, and water, the ratio of lower alcohol to water exceeding a critical ratio which varies with the total active detergent content. The compositions may be thickened by means of hydroxypropyl guars, polyethylene oxides, or hydrophilically substituted cellulosic polymers such as hydroxyethyl cellulose.
    Type: Grant
    Filed: January 14, 1987
    Date of Patent: March 29, 1988
    Assignee: Lever Brothers Company
    Inventors: Robert J. Edwards, Paul D. Hardman, Melvin Scott, Carey J. Walsh, Peter Winterbotham