Patents Represented by Attorney Darla P. McVicar

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  • Chlorine bleach compatible liquid detergent compositions
    Patent number: 4594184
    Abstract: Heavy-duty liquid detergents containing a neutralization system comprising bleach compatible bicyclic tertiary amines and imines; anionic surfactant; ethoxylated nonionic surfactant; optional quaternary ammonium, amine, amide, or amine oxide surfactant; preferably fatty acid and/or polycarboxylate builders; and a solvent system comprising ethanol, polyol and/or water. The compositions are isotropic liquids providing a high level of detergency performance.
    Type: Grant
    Filed: May 23, 1985
    Date of Patent: June 10, 1986
    Assignee: The Procter & Gamble Company
    Inventors: Thomas E. Cook, John C. Dyer, Manuel G. Venegas
  • Granular automatic dishwasher detergent compositions containing smectite clay
    Patent number: 4588515
    Abstract: Granular detergent compositions suitable for use in automatic dishwashing machines are disclosed. The compositions contain detergency builder material, chlorine bleach ingredient, a nonionic surfactant compatible with the chlorine bleach ingredient, and suds control components comprising an alkyl phosphate ester and a smectite clay.
    Type: Grant
    Filed: September 27, 1984
    Date of Patent: May 13, 1986
    Assignee: The Procter & Gamble Company
    Inventors: Stephen E. Schuh, Marla R. Smoot