Patents by Inventor Yefim Plopski

Yefim Plopski 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 the treatment of organic waste and product obtained thereof
    Patent number: 8518219
    Abstract: Organic waste disposal technologies are disclosed herein. A multistage processing of sewage sludge into synthetic fuel and chemical products is carried out by means of a direct thermo-chemical liquefaction process. The process enables the minimization of coke formation by utilizing steam stripping in the processing of sewage sludge.
    Type: Grant
    Filed: January 1, 2009
    Date of Patent: August 27, 2013
    Assignee: Metal Tech Ltd.
    Inventors: Yefim Plopski, Alexander Rogov
  • PROCESS FOR THE TREATMENT OF ORGANIC WASTE AND PRODUCT OBTAINED THEREOF
    Publication number: 20100314241
    Abstract: A multi-stage process for the treatment of organic waste comprising: (a) drying the sewage sludge waste to reduce the water content to below 15%; (b) mixing of dried sewage sludge with solvent medium for slurry preparation; (c) subjecting slurry from step (b) to a the?no-chemical liquefaction process in the presence of a solvent medium at a temperature of about 275° C.
    Type: Application
    Filed: January 1, 2009
    Publication date: December 16, 2010
    Inventors: Yefim Plopski, Alexander Rogov