Patents by Inventor Richard F. Kruppa

Richard F. Kruppa 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).

  • High temperature polar stationary liquid phase for gas chromatography
    Patent number: 4063911
    Abstract: This invention is an improved stationary phase utilized in gas-liquid chromatography, having high thermal stability, producing low noise level in an electrical detecting apparatus, comprising of a silicone polymer with recurring units of the formula: ##STR1##
    Type: Grant
    Filed: January 14, 1976
    Date of Patent: December 20, 1977
    Assignees: Applied Science Laboratories, Inc., Silar Laboratories, Inc.
    Inventors: Richard F. Kruppa, Arthur Edward Coleman
  • High temperature polar stationary phase for gas chromatograhy
    Patent number: 3960521
    Abstract: This invention is an improved stationary phase utilized in gas-liquid chromatograhy, having high thermal stability, producing low noise level in an electrical detecting apparatus, comprising a silicone polymer with recurring units of the formula: ##EQU1## Where X is a whole number from 2 to 200 and n and n' are whole numbers from 2 to 12.
    Type: Grant
    Filed: March 1, 1974
    Date of Patent: June 1, 1976
    Assignees: Applied Science Laboratories, Inc., Silar Laboratories, Inc.
    Inventors: Richard F. Kruppa, Arthur Edward Coleman