Patents Assigned to Win Chemicals Ltd
  • Patent number: 10329674
    Abstract: Novel acid-based chemistries that can be used in various cleaning, de-scaling, rust-removal, brightening, etching and other similar applications, including, but not limited to, those based upon hexafluorozirconic acid and other additives, such as urea in some applications, which are effective for a wide range of applications, while avoiding the health, safety and environmental issues that are often associated with the use of hydrochloric acid and other toxic chemistries.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: June 25, 2019
    Assignees: Vitech International, Inc., Win Chemicals, Ltd.
    Inventor: Rodney Thomson
  • Patent number: 8859476
    Abstract: Compositions comprising an alkanesulfonic acid and an organic nitrogenous base, and related methods of use.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: October 14, 2014
    Assignees: Vitech International, Inc., Win Chemicals Ltd
    Inventor: Rod Thomson