Patents by Inventor Wilhelmus Sprangers

Wilhelmus Sprangers 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: 4399090
    Abstract: Bake out is accelerated and made possible at a lower temperature when at least one metal organic compound defined by the general formulaM R.sub.nin whichM=V.sup.III, Mn.sup.II, Mn.sup.III, IN.sup.III, Ca, Co.sup.III, Ni.sup.II (VO).sup.II or (VO).sup.IIIn=2 or 3R=an organic residue of the compound classes of polyunsaturated compounds, aminoalcohols, aminoacids, carboxylic acids, hydroxycarboxylic acids, mercaptocarboxylic acids, enolisable ketones, ketoximes, aldoximes, amines, and phosphineswhich is capable of changing into an oxide of M when heated to to C. is dissolved in the starting mixture or added to the starting mixture in the form of a solution.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: August 16, 1983
    Assignee: U.S. Philips Corporation
    Inventors: Wilhelmus Sprangers, Rinse Dijkstra