Patents by Inventor Benny E. Simpson

Benny E. Simpson 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).

  • Kit and method for testing liquids for hydrogen sulfide content
    Patent number: 4174202
    Abstract: A method for quickly determining whether or not the H.sub.2 S concentration in fluids exceeds a preselected level, such as that set by government standards for oil field fluids, comprises: (1) admixing a preselected quantity of a liquid to be tested with a quantity of metal ion (such as Cd.sup.++) capable of reacting with sulfide ion to form a precipitate, the quantity of metal ion being equal to that required to precipitate a preselected amount of sulfide ion; (2) purging any residual H.sub.2 S from the liquid (such as by generating CO.sub.2 in situ); (3) contacting a reagent colorimetrically and selectively responsive to the presence of H.sub.2 S (such as lead acetate) with gas purged from the liquid; and (4) observing the color of colorimetrically responsive reagent.
    Type: Grant
    Filed: November 28, 1977
    Date of Patent: November 13, 1979
    Assignee: The Dow Chemical Company
    Inventor: Benny E. Simpson
  • Composition and method for enhancing dispersibility of water soluble polymers
    Patent number: 4042529
    Abstract: A water dispersible particulate organic polymer is coated with a polyvinyl lactam-containing polymeric material to provide a particulate material which is readily dispersible in aqueous solutions with a minimum of agglomeration of the water soluble polymer.
    Type: Grant
    Filed: July 11, 1974
    Date of Patent: August 16, 1977
    Assignee: The Dow Chemical Company
    Inventors: Kenneth H. Nimerick, Benny E. Simpson
  • Method of fracturing subterranean formations penetrated by a well
    Patent number: 4040967
    Abstract: A water dispersible particulate organic polymer is coated with a polyvinyl lactam-containing polymeric material to provide a particulate material which is readily dispersible in aqueous solutions with a minimum of agglomeration of the water soluble polymer.
    Type: Grant
    Filed: June 27, 1975
    Date of Patent: August 9, 1977
    Assignee: The Dow Chemical Company
    Inventors: Kenneth H. Nimerick, Benny E. Simpson