Patents Assigned to Pecsi Dohanygyar
  • 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