Patents by Inventor Mary H. Staruch

Mary H. Staruch 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).

  • Patent number: 5078906
    Abstract: .alpha.-Arylalkanoic acids are prepared by a method comprising the step of reacting an alkylaromatic compound corresponding to the desired .alpha.-arylalkanoic acid with a new metallation reagent solution. The reagent comprises the reaction product of alkyllithium or aryllithium and about two to five molar equivalents of potassium tert-alkoxide in a trialkylamine solvent.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: January 7, 1992
    Assignee: Mine Safety Appliances Company
    Inventors: Kuen-Wai Chiu, Mary H. Staruch, David H. Ellenberger
  • Patent number: 4910337
    Abstract: .alpha.-Arylalkanoic acids are prepared by a method comprising the step of reacting an alkylaromatic compound corresponding to the desired .alpha.-arylalkanoic acid with a new metallation reagent solution. The reagent comprises the reaction product of alkyllithium or aryllithium and about two to five molar equivalents of potassium tert-alkoxide in a trialkylamine solvent.
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: March 20, 1990
    Assignee: Mine Safety Appliances Company
    Inventors: Kuen-Wai Chiu, Mary H. Staruch, David H. Ellenberger