Patents Represented by Attorney A. W. Dumphlett

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  • Aqueous metalworking composition containing 2-hydroxyethyl-(3-chloro-2-hydroxypropyl)sulfide
    Patent number: 4537690
    Abstract: A metalworking composition containing 2-hydroxyethyl-(3-chloro-2-hydroxypropyl)sulfide in an aqueous medium. A method for enhancing the extreme pressure lubricating properties of an aqueous metalworking composition by admixing therein 2-hydroxyethyl-(3-chloro-2-hydroxypropyl)sulfide.
    Type: Grant
    Filed: August 17, 1984
    Date of Patent: August 27, 1985
    Assignee: Phillips Petroleum Co.
    Inventors: Gary D. Macdonell, Merlin R. Lindstrom, Bernard A. Baldwin, Rector P. Louthan, Alexander D. Schuettenberg