Patents by Inventor Kin Ching Kong

Kin Ching Kong 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).

  • Process for the production of difluoromethane
    Patent number: 5800682
    Abstract: A liquid and vapor phase processes for the production of difluoromethane in which the risk of exposure to, and equipment fouling from, chlorofluoromethane is reduced. This reduction is accomplished from removing a sidestream containing monochloromonofluoromethane from a fluorination process distillation column.
    Type: Grant
    Filed: October 8, 1996
    Date of Patent: September 1, 1998
    Assignee: AlliedSignal Inc.
    Inventors: Gustavo Cerri, Kin Ching Kong
  • Process for separating difluoromethane
    Patent number: 5785822
    Abstract: The present invention provides a method for separating dichlorodifluoromethane from difluoromethane. More specifically, a process is provided for separating dichlorodifluoromethane and difluoromethane using azeotropic distillation.
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: July 28, 1998
    Assignee: AlliedSignal Inc.
    Inventors: Gustavo Cerri, Kin Ching Kong, Charles Francis Swain, Rajat Subhra Basu