Patents by Inventor Billy R. Hardas

Billy R. Hardas 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).

  • Composition and use of substituted 3-thio-2-propynenitriles as industrial antimicrobials
    Patent number: 5198445
    Abstract: Substituted 3-thio-2-propynenitriles are prepared which correspond to the formula:R--S--C.tbd.C--C.tbd.Nwherein R is an alkyl, cyclic alkyl, aryl, or heterocyclo group.These compounds have been found to exhibit a high degree of antimicrobial activity in industrial and commercial applications and compositions containing these compounds are so employed.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: March 30, 1993
    Assignee: The Dow Chemical Company
    Inventors: Connie L. Deford, Charles D. Gartner, Kalakota S. Reddy, John K. Swayze, David E. Wallick, Warren L. Treptow, George A. Paul, Billy R. Hardas
  • Composition and use of substituted 3-thio-2-propynenitriles as an industrial antimicrobial
    Patent number: 5126349
    Abstract: Substituted 3-thio-2-propynenitriles are prepared which correspond to the formula:R--S--C.tbd.C--C.tbd.Nwherein R is an alkyl, cyclic alkyl, aryl, or heterocyclo group.These compounds have been found to exhibit a high degree of antimicrobial activity in industrial and commercial applications and compositions containing these compounds are so employed.
    Type: Grant
    Filed: December 26, 1990
    Date of Patent: June 30, 1992
    Assignee: The Dow Chemical Company
    Inventors: Connie I. Deford, Charles D. Gartner, Kalakota S. Reddy, John K. Swayze, David E. Wallick, Warren L. Treptow, George A. Paul, Billy R. Hardas