Patents by Inventor Jerzy Janiak

Jerzy Janiak 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 converting heavy oil deposited on coal to distillable oil in a low severity process
    Patent number: 5338322
    Abstract: A process for removing oil from coal fines that have been agglomerated or blended with heavy oil comprises the steps of heating the coal fines to temperatures over 350.degree. C. up to 450.degree. C. in an inert atmosphere, such as steam or nitrogen, to convert some of the heavy oil to lighter, and distilling and collecting the lighter oils. The pressure at which the process is carried out can be from atmospheric to 100 atmospheres. A hydrogen donor can be added to the oil prior to deposition on the coal surface to increase the yield of distillable oil.
    Type: Grant
    Filed: January 27, 1993
    Date of Patent: August 16, 1994
    Inventors: Teresa Ignasiak, Otto Strausz, Boleslaw Ignasiak, Jerzy Janiak, Wanda Pawlak, Kazimierz Szymocha, Ali A. Turak