Patents by Inventor Theodorus C. J. M. Hegge

Theodorus C. J. M. Hegge 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).

  • Mixture for use in the LSC (liquid scintillation counting) analysis technique
    Patent number: 4624799
    Abstract: A liquid, homogeneous mixture for use in the LSC (Liquid Scintillation Counting) analysis technique, comprising a scintillation liquid, a scintillator and a surfactant, wherein the surfactant includes one or more phosphoric acid esters having formula 1 and/or formula 2 of the sheet of formulae, in which R', R" and R'" represent an organic group, which phosphor acid esters are neutralized to a pH, at which the neutralization product comprises a mono- and/or diphosphate with an alkaline material having a pK.sub.a of at least 5, and in which of the organic phosphoric acid esters having formula 1, R" and R'" may be the same or different.
    Type: Grant
    Filed: September 14, 1984
    Date of Patent: November 25, 1986
    Assignee: Packard Instrument B.V.
    Inventors: Theodorus C. J. M. Hegge, Jan ter Wiel