Patents Assigned to ANGARA INDUSTRIES LTD.
  • Patent number: 11001791
    Abstract: The invention relates to cleaning deposits of various natures from metal, glass and ceramic surfaces of industrial equipment and can be used for the removal of such deposits, as metal oxides (iron, chromium, nickel, etc.), carbonate and salt deposits, asphalt-tar-paraffin deposits and deposits of an oily nature, deposits of organic and biological nature (bacterial deposits). The proposed solution for removing deposits of different natures comprises hydrogen peroxide, complexing agent, calixarene and water in the following quantitative ratio, wt. %: hydrogen peroxide, 2-90; complexing agent, 3-30; calixarene, 0.01-10; water, the balance. EFFECT: increased degree of cleaning off deposits of various natures with simultaneous reduction of solution aggressiveness to structural materials.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: May 11, 2021
    Assignee: ANGARA INDUSTRIES LTD.
    Inventors: Alexandr Alexandrovich Sheptunov, Daniil Romanovich Bazanov