Patents by Inventor William Lijinsky

William Lijinsky 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).

  • Smoke processing
    Patent number: 4156431
    Abstract: An unsulfonated cross-linked polystyrene, silicic acid and a binder comprise a tobacco smoke filter for removing essentially all nitrosamines and secondary amines from the tobacco smoke passing through the tobacco filter attached to the normally unlighted end of the cigarette.
    Type: Grant
    Filed: March 29, 1977
    Date of Patent: May 29, 1979
    Inventors: Samuel S. Epstein, William Lijinsky