Patents Assigned to TAL OR ECOLOGY LTD.
  • Patent number: 10843994
    Abstract: The invention provides a process for recovering oxalic acid used in ferrous metal pickling procedures, thereby reducing the total cost and environmental load of the pickling treatments.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: November 24, 2020
    Assignee: TAL OR ECOLOGY LTD.
    Inventors: Reuben David Schapiro, Vladimir Boiko, Lev Shapiro