Patents by Inventor Dorm Matchim

Dorm Matchim 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).

  • Preparation of chlorite
    Patent number: 5639559
    Abstract: Process for the preparation of chlorite salts by the controlled reaction of chlorine dioxide with a reducing agent under reduced pressure to form chlorous acid. The chlorous acid is reacted with an aqueous solution of base to form the desired chlorite salt. The process is rapid, economical and is conducted in a generator which is significantly smaller than equipment currently used for production of chlorite salts.
    Type: Grant
    Filed: July 25, 1995
    Date of Patent: June 17, 1997
    Assignee: Rio Linda Chemical Company, Inc.
    Inventors: John Y. Mason, Dorm Matchim, Yan Wang
  • Preparation of chlorite
    Patent number: 5597544
    Abstract: Process for the preparation of saturated aqueous solution of chlorite salts by the controlled reaction of chlorine dioxide with a reducing agent under reduced pressure to form chlorous acid. The chlorous acid is reacted with an aqueous solution of base to form an aqueous solution chlorite salt and the aqueous solution is recycled through the process. The process is rapid, economical and is conducted in a generator which is significantly smaller than equipment currently used for production of chlorite salts.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: January 28, 1997
    Assignee: Rio Linda Chemical Co., Inc.
    Inventors: George B. Barber, Andrew Adsetts, Peter W. Deacon, Dorm Matchim, Yan Wang