Patents by Inventor Thomas S. Pollok

Thomas S. Pollok 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).

  • Process for making moisture resistant briquettes
    Patent number: 5244473
    Abstract: A method is disclosed for bonding particles into briquettes wherein the particles to be briquetted are mixed with a phenolaldehyde resin and polyisocyanate in the presence of a catalyst, and the resulting mixture is briquetted. A phenolic-urethane polymer is formed to bond the particles and coat the briquette formed of said particles. Apparatus for carrying out the method is also disclosed.
    Type: Grant
    Filed: January 22, 1992
    Date of Patent: September 14, 1993
    Inventors: Kashinath S. Sardessai, Thomas S. Pollok