Patents by Inventor John R. Strickler

John R. Strickler 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).

  • Preparation of indole and indole derivatives
    Patent number: 5025096
    Abstract: Indole and indole derivatives are prepared by contacting under mild reaction conditions an N-(2-toly)formidate, N-(3-methyl-2-pyridyl)formimidate, or N-methyldiazyl formimidate with an alkali metal amide.
    Type: Grant
    Filed: August 22, 1985
    Date of Patent: June 18, 1991
    Assignee: Mine Safety Appliances Company
    Inventors: Kuen-Wai Chiu, Lin-Chen Yu, John R. Strickler
  • Method of preparing potassium hydride
    Patent number: 4327071
    Abstract: Potassium hydride and mixtures of potassium hydride with other alkali metal hydrides are prepared by contacting hydrogen with potassium or potassium alloys with other alkali metals, dispersed in an inert fluid, in the presence of a potassium phenanthride catalyst.
    Type: Grant
    Filed: May 7, 1981
    Date of Patent: April 27, 1982
    Assignee: Mine Safety Appliances Company
    Inventors: Kuen-Wai Chiu, John R. Strickler