Patents by Inventor Andrei S. Kuznetsov

Andrei S. Kuznetsov 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 for treating exhaust gas containing fluorine-containing interhalogen compound, and treating agent and treating apparatus
    Patent number: 6309618
    Abstract: A treating method comprising contacting a fluorine-containing interhalogen compound first with a treating agent for the fluorine component and then with a treating agent for the halogen component, treating agents therefor, and a method for treating exhaust gas containing a fluorine-containing interhalogen compound, comprising filling a treating agent for the fluorine component into the internal cylinder of a treating apparatus having a double cylinder structure consisting of an internal cylinder and an external cylinder, filling a treating agent for the halogen component into the external cylinder, feeding exhaust gas containing a fluorine-containing interhalogen compound into the internal cylinder to travel the internal cylinder and the external cylinder in this order, and then discharging the treated gas from the external cylinder.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: October 30, 2001
    Assignee: Showa Denko K. K.
    Inventors: Manabu Ohira, Junichi Torisu, Yasuyuki Hoshino, Yuji Sakai, Andrei S. Kuznetsov