Patents by Inventor Nishaneth K. Mehta

Nishaneth K. Mehta 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).

  • Decontamination of hydrocarbon process equipment
    Patent number: 5389156
    Abstract: Contamination can be removed from equipment of a chemical processing flow path by pumping through the plant an aqueous solution at an elevated temperature of an extractant, such as terpene, and a surfactant mixture which traps contaminants for disposal in an environmentally acceptable manner.
    Type: Grant
    Filed: May 13, 1993
    Date of Patent: February 14, 1995
    Assignee: Serv-Tech, Inc.
    Inventors: Nishaneth K. Mehta, Richard W. Krajicek
  • Process for vessel decontamination
    Patent number: 5356482
    Abstract: An improved process for the decontamination of process equipment and vessels is described wherein an extractant material for the contaminant and a surfactant are vaporized, heated with steam, to condense on the internal surfaces of the vessel to trap contaminants, such as benzene, for removal from the vessel to allow safe entry for humans for inspection and maintenance.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: October 18, 1994
    Assignee: SERV-Tech, Inc.
    Inventors: Nishaneth K. Mehta, Richard W. Krajicek