Patents by Inventor Sandor Irimi

Sandor Irimi 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).

  • Highly efficient tobacco smoke filter
    Patent number: 5060672
    Abstract: The invention relates to a novel, highly efficient tobacco smoke filter provided with mechanically (fibrous) and/or adsorptively filtering materials as well as chemosorptively filtering components, which comprises a synergistic composition containing at least one of a compound having a high nucleophilic additivity, capable of chemically reacting and stable adduct forming with excited and ground-level aldehydes not filtered out by the mechanically and/or adsorptively filtering materials; and at least one of a compound containing ##STR1## enediol structural moieties, wherein the enediol type compound or its combination suitably amount to at least 50% by weight of the other chemosorptive components and 40 to 300% by weight of the adsorptively filtering materials.
    Type: Grant
    Filed: December 6, 1989
    Date of Patent: October 29, 1991
    Assignee: Pesci Dohanygyar
    Inventors: Sandor Irimi, Adam Molnar, Jozsef Gabor, Laszlo Toke, Lajos Trezl, Istvan Rusznak, Viktoria Horvath, Tibor Szarvas
  • Process for producing tobacco filter to adsorb materials harmful to health, especially aldehydes in the smoke of tobacco
    Patent number: 4753250
    Abstract: A process for producing cigarette filters comprising a compound containing L-ascorbic acid and having the compound added to an adsorptional filter material in a quantity of 5-200% of the amount of said adsorptional filter.
    Type: Grant
    Filed: October 18, 1985
    Date of Patent: June 28, 1988
    Assignee: Pecsi Dohanygyar
    Inventors: Istvan Bitter, Jozsef Gabor, Sandor Hernadi, Viktoria Horvath, Sandor Irimi, Adam Molnar, Istvan Rusznak, Lajos Trezl