Patents by Inventor Bimal Khandelwal

Bimal Khandelwal 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).

  • Pulp Bleaching and Alkaline Extraction Method
    Publication number: 20120031575
    Abstract: A method of treating lignocellulosic pulp in which an aqueous pulp mixture is treated with a bleaching agent and then subjected to an alkaline extraction at a reduced pH with a combination of alkaline agents comprising caustic soda and soda ash and using caustic soda for pH control.
    Type: Application
    Filed: April 27, 2011
    Publication date: February 9, 2012
    Applicants: SAVAGE SERVICES CORPORATION, FMC WYOMING CORPORATION
    Inventors: Bimal Khandelwal, Adrienne S. Nadeau, John T. Wolanski
  • Process for Bleaching Kraft Pulp
    Publication number: 20070051483
    Abstract: An improved process for bleaching Kraft pulp is disclosed. The improved process involves the use of hydrogen peroxide to treat brownstock before treatment with chlorine or chlorine containing compounds. The process may also be used to treat recycle pulp.
    Type: Application
    Filed: October 30, 2006
    Publication date: March 8, 2007
    Applicant: FMC CORPORATION
    Inventor: Bimal Khandelwal
  • Process for bleaching Kraft pulp
    Publication number: 20050133173
    Abstract: An improved process for bleaching Kraft pulp is disclosed. The improved process involves the use of hydrogen peroxide to treat brownstock before treatment with chlorine or chlorine containing compounds. The process may also be used to treat recycle pulp.
    Type: Application
    Filed: December 16, 2004
    Publication date: June 23, 2005
    Inventor: Bimal Khandelwal