Patents by Inventor Derek G. Lobley

Derek G. Lobley 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).

  • Catalytic generation of chlorine dioxide
    Patent number: 4929434
    Abstract: A process for producing chlorine dioxide by reducing a chlorate in sulphuric acid of at least 4N with a reducing agent. An oxygen containing organic compound is introduced into the process.
    Type: Grant
    Filed: March 9, 1989
    Date of Patent: May 29, 1990
    Inventors: Derek G. Lobley, Kenneth Pinder
  • Method to reduce the potential salt cake content of chlorine dioxide generator spent acids
    Patent number: 4578261
    Abstract: A method of generating chlorine dioxide that comprises forming chloric acid by the action of sulphuric acid on a chlorate in a generator in the liquid phase. The chloric acid is reduced to produce chlorine dioxide. The chlorate is fed to the generator as a solid slurry.
    Type: Grant
    Filed: November 28, 1984
    Date of Patent: March 25, 1986
    Assignee: Multifibre Process Limited
    Inventor: Derek G. Lobley
  • Method to reduce the potential salt cake content of chlorine dioxide generator spent acids
    Patent number: 4486399
    Abstract: A method of generating chlorine dioxide that comprises forming chloric acid by the action of sulphuric acid on a chlorate in a generator in the liquid phase. The chloric acid is reduced to produce chlorine dioxide. The chlorate is fed to the generator as a solid.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: December 4, 1984
    Assignee: Multifibre Process Limited
    Inventor: Derek G. Lobley