Patents by Inventor Bhasker B. Dave

Bhasker B. Dave 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).

  • METHOD OF INHIBITING SCALE FORMATION AND DEPOSITION IN DESALINATION SYSTEMS
    Publication number: 20080169243
    Abstract: This invention relates to an improved method of inhibiting corrosion and calcium sulfate and calcium carbonate scaling in thermal and membrane desalination processes. The method includes adding a composition having an oligomeric phosphinosuccinic acid to seawater or recirculation brine in a desalting process to produce water for drinking and industrial applications. The method also includes adding a composition including mono, bis, and oligomeric phosphinosuccinic acid adducts to the desalting process.
    Type: Application
    Filed: January 11, 2007
    Publication date: July 17, 2008
    Inventors: Bhasker B. Dave, Narasimha M. Rao, Shunong Yang, David A. Grattan, Peter Blokker
  • Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange resin
    Patent number: 5800714
    Abstract: Water recovered from the polymerization of vinyl monomers can be treated to remove or deactivate chain transfer agents present in the water allowing resuse in polymerization processes. The water recovered from a vinyl polymerization reaction is contacted with a cation exchange resin in the hydrogen form prior to recycle, or may be acidified and then contacted with an anion exchange resin in the hydroxide form.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: September 1, 1998
    Assignee: Nalco Chemical Company
    Inventors: Thomas M. Miller, Bhasker B. Dave, W. Hugh Goodman