Patents by Inventor Adrianus Mackor

Adrianus Mackor 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).

  • Volatile organic barium, strontium and calcium compounds
    Patent number: 5248787
    Abstract: Volatile organic barium, strontium and calcium compounds, which consist of the complex of a barium-, strontium- or calcium-.beta. diketonate and one or more coordinating ligands, characterized in that at least one coordinating ligand of the barium or strontium compound is formed by a neutral oxygen or a neutral nitrogen donor ligand, or one of the coordinating ligands of the calcium compound is formed by a neutral oxygen donor ligand.
    Type: Grant
    Filed: June 5, 1990
    Date of Patent: September 28, 1993
    Assignee: Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek - TNO
    Inventors: Klaas Timmer, Carolus I. M. A. Spee, Adrianus Mackor, Harmen A. Meinema
  • Method of checking the authenticity of papers and physically identifiable paper for use in said method
    Patent number: 4376264
    Abstract: A method of checking the authenticity of papers, such as banknotes, is provided which comprises using authentic paper containing a minor amount of substance showing an ESR spectrum at room temperature and checking the authenticity by ESR spectroscopy, as well as paper for use in said method, containing a minor amount of a compound showing an ESR spectrum at room temperature, said compound being either an oxide or salt having a crystal lattice of cubic symmetry doped with such a metal, or an oxide or salt of arbitrary symmetry doped with a freely rotatable ion containing such a metal.
    Type: Grant
    Filed: February 4, 1981
    Date of Patent: March 8, 1983
    Assignee: Papierfabrieken Van Houtem & Palm B.V.
    Inventors: Hendrik D. Dokter, Roelof Hildering, Adrianus Mackor