Patents by Inventor Victor Berber Barreto

Victor Berber Barreto 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).

  • Current-efficient suppressors
    Patent number: 6328885
    Abstract: A method and apparatus for increasing the current efficiency of suppressor and suppress-like pretreatment devices is disclosed for the purpose of suppressing a high concentration of eluent without the detrimental effects of excess heat generation. The method and apparatus may be used in ion chromatography.
    Type: Grant
    Filed: February 24, 2000
    Date of Patent: December 11, 2001
    Assignee: Dionex Corporation
    Inventors: Kannan Srinivasan, Victor Berber Barreto, Christopher A. Pohl, James R. Thayer, Nebojsa Avdalovic
  • Current-efficient suppressors and method of use
    Patent number: 6077434
    Abstract: A method and apparatus for increasing the current efficiency of suppressor and suppress-like pretreatment devices is disclosed for the purpose of suppressing a high concentration of eluent without the detrimental effects of excess heat generation. The method and apparatus may be used in ion chromatography.
    Type: Grant
    Filed: January 15, 1999
    Date of Patent: June 20, 2000
    Assignee: Dionex Corporation
    Inventors: Kannan Srinivasan, Victor Berber Barreto, Christopher A. Pohl, James R. Thayer, Neboisa Avdalovic