Patents by Inventor Arnold Barend Leeuwenburgh

Arnold Barend Leeuwenburgh 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: 6414040
    Abstract: A composition for generating smoke, consisting essentially of at least one chlorine compound having a chlorine content of at least 56% by weight of the chlorine compound, and a mixture of at least one metal oxide and at least one metal. The metal oxide is an alkaline-earth metal oxide and the metal is an alkaline-earth metal. The molar fraction of alkaline-earth metal, based on the total number of moles of alkaline-earth metal and alkaline-earth metal oxide, is between 0.33 and 0.67. Preferably, the chlorine compound is hexachloroethane. Also preferably, the molar fraction of the mixture of alkaline-earth metal and alkaline-earth metal oxide in the composition is between 0.37 and 0.91. The alkaline-earth metal comprises particles having an average size of 50-100 &mgr;m and particles having an average size of 150-300 &mgr;m.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: July 2, 2002
    Assignee: Nederlandse Organisatie voor Toegepast-Natuurwetenschappelijk Onderzoek TNO
    Inventors: Christoffel Adrianus Van Driel, Adriana Petronella Martina Leenders, Arnold Barend Leeuwenburgh, Elisabeth Schonewille