Patents Represented by Attorney, Agent or Law Firm Greg Upchurch
  • Corrosion inhibiting compositions
    Patent number: 6238621
    Abstract: There are disclosed corrosion inhibiting compositions comprising (a) at least one amido acid or salt thereof and (b) at least one of an aryltriazole or 3-amino-1,2,4-triazole wherein the molar ratio of (a) to (b) is about 0.34:1 to about 5:1, and aqueous metal working fluids containing the corrosion inhibiting compositions of the invention.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: May 29, 2001
    Assignee: Solutia Inc.
    Inventors: Dennis J. Kalota, Yueting Chou, David C. Silverman
  • Process for the preparation of tetraalkyl 1,2,3,4-butanetetracarboxylates
    Patent number: 6228245
    Abstract: Electrolytic hydrodimeric coupling of dialkyl maleates in alkanol solutions containing an alkanol-soluble alkali metal alkoxide/quaternary ammonium tetrafluoroborate mixed supporting electrolyte yields tetraalkyl 1,2,3,4-butanetetracarboxylates.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: May 8, 2001
    Assignee: Solutia Inc.
    Inventors: Melvin R. Bagley, Monica C. Dutton, Dennis J. Kalota