Patents by Inventor Daljinder K. Woloch

Daljinder K. Woloch 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).

  • Environmentally friendly corrosion inhibitor
    Patent number: 9074289
    Abstract: Disclosed and claimed is a method of inhibiting corrosion of a surface in contact with a corrosive environment encountered in oil and gas operations. The method includes contacting the surface with a composition comprising a quaternary nitrogen-containing corrosion inhibitor having the following general formula. The composition is preferably adherent to standards for environmental friendliness but has equal applicability in formulations that include conventional corrosion inhibitors.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: July 7, 2015
    Assignee: NALCO COMPANY
    Inventors: Mark A. Malwitz, Daljinder K. Woloch
  • ENVIRONMENTALLY FRIENDLY CORROSION INHIBITOR
    Publication number: 20130112106
    Abstract: Disclosed and claimed is a method of inhibiting corrosion of a surface in contact with a corrosive environment encountered in oil and gas operations. The method includes contacting the surface with a composition comprising a quaternary nitrogen-containing corrosion inhibitor having the following general formula. The composition is preferably adherent to standards for environmental friendliness but has equal applicability in formulations that include conventional corrosion inhibitors.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 9, 2013
    Inventors: Mark A. Malwitz, Daljinder K. Woloch