Patents by Inventor Leonid Datsevich

Leonid Datsevich 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).

  • Method and apparatus for continuous decomposing waste polymeric materials
    Patent number: 7626061
    Abstract: A method and apparatus for the continuous recycling of hydrocarbon containing used and waste materials such as plastic and polymeric waste including, for example, polyurethane, rubber wastes and the like, and in particular scrap rubber tires, are disclosed. The process is carried out under moderate temperatures and atmospheric pressure in the presence of air and a feed of liquid(s) containing oxygen. The method is characterized by the low residence time.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: December 1, 2009
    Assignee: MPCP GmbH
    Inventors: Leonid Datsevich, Jorg Gerchau, Frank Gorsch, Ralph Wolfrum
  • Process for removing polar impurities from hydrocarbons and mixtures of hydrocarbons
    Patent number: 7553406
    Abstract: This invention relates to a process for removing polarizable impurities from hydrocarbons and mixtures of hydrocarbons using ionic liquids as an extraction medium. By way of extraction, the degree of contamination of the hydrocarbon or mixture of hydrocarbons is reduced to a low or very low level. The specific ionic liquids are compounds of the Formula 1, which are organic salts that are liquid or can be melted to form a liquid and that can form at least a biphasic mixture with a hydrocarbon. The process is suitable for purifying a wide range of hydrocarbons under a wide range of process conditions.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: June 30, 2009
    Assignee: Merck Patent GmbH
    Inventors: Peter Wasserscheid, Andreas Bösmann, Andreas Jess, Leonid Datsevich, Christoph Schmitz, Andrea Wendt
  • Method and apparatus for continuous decomposing waste polymeric materials
    Publication number: 20080081935
    Abstract: A method and apparatus for the continuous recycling of hydrocarbon containing used and waste materials such as plastic and polymeric waste including, for example, polyurethane, rubber wastes and the like, and in particular scrap rubber tires, are disclosed. The process is carried out under moderate temperatures and atmospheric pressure in the presence of air and a feed of liquid(s) containing oxygen. The method is characterized by the low residence time.
    Type: Application
    Filed: March 5, 2007
    Publication date: April 3, 2008
    Inventors: Leonid Datsevich, Jorg Gerchau, Frank Gorsch, Ralph Wolfrum
  • Process for removing polar impurities from hydrocarbons and mixtures of hydrocarbons
    Publication number: 20050010076
    Abstract: This invention relates to a process for removing polarizable impurities from hydrocarbons and mixtures of hydrocarbons using ionic liquids as an extraction medium for reducing the degree of contamination of the hydrocarbon or mixture of hydrocarbons to a low or very low level.
    Type: Application
    Filed: April 30, 2004
    Publication date: January 13, 2005
    Inventors: Peter Wasserscheid, Andreas Bosmann, Andreas Jess, Leonid Datsevich, Christoph Schmitz, Andrea Wendt