Patents by Inventor James D. Kilby

James D. Kilby 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).

  • Coated calcium hypochlorite composition
    Patent number: 8252200
    Abstract: The present invention is directed to a water treatment composition, comprising: calcium hypochlorite coated with a coating comprising at least one hydrated or anhydrous salt. The present invention is also directed to a water treatment composition, comprising: (a) an inner core layer comprising calcium hypochlorite; (b) one or more interlayers of selected salts positioned on top of said inner core layer, and (c) one or more outer layers of selected salts positioned on top of said interlayer(s).
    Type: Grant
    Filed: November 21, 2006
    Date of Patent: August 28, 2012
    Assignee: Arch Chemicals, Inc.
    Inventors: Deqing Lei, George Polson, Sonia Oberson, Ellen M. Meyer, James D. Kilby
  • Process for removal of alkali metal chlorate from alkali metal chloride brines
    Patent number: 4609472
    Abstract: A process for removing chlorate ions from an impure alkali metal chloride brine removed from an electrolytic cell comprises acidifying the impure brine to a pH of less than about 2. The acidified brine is then reacted with a reducing portion of hydrazine hydrochloride.The novel process rapidly reduces the chlorate ions in the absence of the formation of chlorine and chlorine dioxide gases and with the production of nitrogen gas as a product.
    Type: Grant
    Filed: March 29, 1985
    Date of Patent: September 2, 1986
    Assignee: Olin Corporation
    Inventors: Don E. Reynolds, James D. Kilby