Patents by Inventor Ann L. Lambousy

Ann L. Lambousy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Corrosion inhibitor for alkanolamine units
    Patent number: 5985179
    Abstract: The corrosion of metals in contact with an aqueous alkanolamine solution in an acid gas removal unit is inhibited by adding a corrosion inhibiting amount of an alkanemonothiol or alkanedithiol compound to the aqueous alkanolamine solution. The alkanemonothiol and alkanedithiol compounds are useful for inhibiting the corrosion of metals in both the acid gas rich and lean portions of the acid gas removal unit.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: November 16, 1999
    Assignee: BetzDearborn, Inc.
    Inventors: Ljiljana V. Minevski, Ann L. Lambousy
  • Corrosion inhibitor for alkanolamine units
    Patent number: 5843299
    Abstract: The corrosion of metals in contact with an aqueous alkanolamine solution in an acid gas removal unit is inhibited by adding a corrosion inhibiting amount of an alkanemonothiol or alkanedithiol compound to the aqueous alkanolamine solution. The alkanemonothiol and alkanedithiol compounds are useful for inhibiting the corrosion of metals in both the acid gas rich and lean portions of the acid gas removal unit.
    Type: Grant
    Filed: August 22, 1997
    Date of Patent: December 1, 1998
    Assignee: BetzDearborn Inc.
    Inventors: Ljiljana V. Minevski, Ann L. Lambousy