Patents Represented by Attorney James C. Logomashini

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  • Beneficiating agent composition
    Patent number: 4118441
    Abstract: The present invention relates to compositions of matter which are especially useful as beneficiating agents in the production of well drilling muds. These compositions comprise mixtures of carboxylic acid polymers and metal salts which mixtures are water soluble at a pH of less than 7.0 wherein the metal is selected from Groups IB, IIB, VIB, VIIB and VIII of the Periodic Table and lead.
    Type: Grant
    Filed: May 15, 1974
    Date of Patent: October 3, 1978
    Assignee: Monsanto Company
    Inventor: John R. Le Blanc