Patents by Inventor Brent Ellsworth Basham

Brent Ellsworth Basham 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).

  • Sodium cyanide process
    Patent number: 8894961
    Abstract: A process for the production of sodium cyanide crystals comprising; (a) contacting impure hydrogen cyanide and sodium hydroxide in a reactor with mixing for a maximum contact time of about 5 seconds; (b) feeding the resulting mixture to a continuous evaporative crystallizer to produce a slurry of sodium cyanide crystals; (c) passing the slurry of sodium cyanide crystals from the crystallizer over a hot surface to precipitate onto the surface and remove sodium carbonate, and passing said slurry back to the crystallizer; and (d) separating the sodium cyanide crystals from the slurry.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: November 25, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: James David Allison, Brent Ellsworth Basham, Steven Lamar Grise
  • SODIUM CYANIDE PROCESS
    Publication number: 20100296995
    Abstract: A process for the production of sodium cyanide crystals comprising; (a) contacting impure hydrogen cyanide and sodium hydroxide in a reactor with mixing for a maximum contact time of about 5 seconds; (b) feeding the resulting mixture to a continuous evaporative crystallizer to produce a slurry of sodium cyanide crystals; (c) passing the slurry of sodium cyanide crystals from the crystallizer over a hot surface to precipitate onto the surface and remove sodium carbonate, and passing said slurry back to the crystallizer; and (d) separating the sodium cyanide crystals from the slurry.
    Type: Application
    Filed: April 19, 2010
    Publication date: November 25, 2010
    Applicant: E. I. du Pont de Nemours and Company
    Inventors: James David Allison, Brent Ellsworth Basham, Steven Lamar Grise