Patents by Inventor Wayne B. Ely

Wayne B. Ely 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).

  • Process for scrubbing ammonia from acid gases comprising ammonia and hydrogen sulfide
    Patent number: 7258848
    Abstract: The present invention provides a process for removing ammonia as an aqueous salt solution from an acid gas comprising ammonia and hydrogen sulfide. A strong acid, such as sulfuric acid, is used as a scrubbing agent to convert ammonia to an ammonium salt. Control of pH and stripping in combination with reboiler or evaporators reduces hydrogen sulfide concentration. The ammonium salt is produced as an aqueous solution, which may crystallized to form a solid product. The ammonium salt solution or solid may be used as a fertilizer.
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: August 21, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Benny E. Blackwell, Luis Alberto Chu, Monroe Davis, Wayne B. Ely, Robert Joseph Flowers, Steven Lamar Grise, Zeru Berhane Tekie
  • Production of alcoholates
    Patent number: 6372947
    Abstract: A process that can be used for producing an alkali metal alcoholate such as sodium alcoholate or for removing a residual mixture containing alkali metal and alkaline earth metal from a vessel such as, for example, a tank car or storage tank used in manufacturing an alkali metal is disclosed. The process comprises contacting a mixture, which comprises an alkali metal and an alkaline earth metal, with an alcohol under a condition sufficient to produce an alkali metal alcoholate and alkaline earth metal alcoholate and, optionally, separating and recovering the alkali metal alcoholate.
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: April 16, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Wayne B. Ely, Carl Andrew Renner
  • Process for preparing perhaloacyl chlorides
    Patent number: 5296640
    Abstract: A process for preparing perhaloacyl chlorides such as trifluoroacetyl chloride by oxidizing lower perfluoroalkyl and monochloroperfluoroalkyl dichloromethane within the supercritical region and in the absence of water.
    Type: Grant
    Filed: September 15, 1992
    Date of Patent: March 22, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Stephen E. Jacobson, Wayne B. Ely