Patents by Inventor Werner Hass

Werner Hass 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).

  • Tobacco sheet and method and apparatus for the production of a tobacco sheet
    Patent number: 5097851
    Abstract: With the present invention a tobacco sheet or foil is proposed which has an elevated filling force and consists of tobacco particles, water, binders and moisturizers, and relatively gas-impermeable, in particular surface-sealed cover layers being connected together by a spongy structure which is formed by gas-filled bubbles, and in which cavities are formed having a shaggy, furrowed and/or torn surface.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: March 24, 1992
    Assignee: B.A.T. Cigarettenfabriken GmbH
    Inventors: Uwe Ehling, Jurgen Nusslein, Gerald Schmekel, Wilfried Stiller, Werner Hass, Volker Heemann, Casper H. Koene, Arno Weiss
  • Process for the preparation of aromatic substances from diterpene fractions
    Patent number: 4600023
    Abstract: Aromatic substances are produced from diterpene fractions in a solvent which is oxidized in the absence of photochemically active radiation. The oxidation is performed with an oxidizing agent in the presence of a catalyst. The oxidizing agent is selected from oxygen, peroxo compounds, halogenates and periodates. The catalyst is selected from compounds of tin, lead, cerium, and transition metals of groups Ib, IVb, Vb, VIb, VIIb and VIII.
    Type: Grant
    Filed: May 18, 1984
    Date of Patent: July 15, 1986
    Assignee: B.A.T. Cigaretten Fabriken GmbH
    Inventors: Werner Hass, Volker Heemann