Patents by Inventor Boris DASHEVSKY

Boris DASHEVSKY 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).

  • System and methods for removing impurities from phosphogypsum and manufacturing gypsum binders and products
    Patent number: 10384953
    Abstract: Methods and systems that remove impurities from phosphogypsum (PG), including from radium and heavy metal salts, and produce gypsum binders and products. In one embodiment, PG is reacted with a chloride solution in an acidic environment under mechanical manipulation and/or heat followed by galvanic and/or zeolite absorption removal of impurities.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: August 20, 2019
    Assignees: TECHNION RESEARCH & DEVELOPMENT FOUNDATION LTD., VANDERBILT UNIVERSITY
    Inventors: Konstantin Kovler, Boris Dashevsky, David Samuel Kosson, Yonathan Reches
  • SYSTEM AND METHODS FOR REMOVING IMPURITIES FROM PHOSPHOGYPSUM AND MANUFACTURING GYPSUM BINDERS AND PRODUCTS
    Publication number: 20180170766
    Abstract: Methods and systems that remove impurities from phosphogypsum (PG), including from radium and heavy metal salts, and produce gypsum binders and products. In one embodiment, PG is reacted with a chloride solution in an acidic environment under mechanical manipulation and/or heat followed by galvanic and/or zeolite absorption removal of impurities.
    Type: Application
    Filed: December 7, 2017
    Publication date: June 21, 2018
    Inventors: Konstantin KOVLER, Boris DASHEVSKY, David Samuel KOSSON, Yonathan RECHES
  • System and methods for removing impurities from phosphogypsum and manufacturing gypsum binders and products
    Patent number: 9868647
    Abstract: Methods and systems that remove impurities from phosphogypsum (PG), including from radium and heavy metal salts, and produce gypsum binders and products. In one embodiment, PG is reacted with a chloride solution in an acidic environment under mechanical manipulation and/or heat followed by galvanic and/or zeolite absorption removal of impurities.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: January 16, 2018
    Assignees: TECHNION RESEARCH & DEVELOPMENT FOUNDATION LTD., VANDERBILT UNIVERSITY
    Inventors: Konstantin Kovler, Boris Dashevsky, David Samuel Kosson, Yonathan Reches
  • SYSTEM AND METHODS FOR REMOVING IMPURITIES FROM PHOSPHOGYPSUM AND MANUFACTURING GYPSUM BINDERS AND PRODUCTS
    Publication number: 20170022070
    Abstract: Methods and systems that remove impurities from phosphogypsum (PG), including from radium and heavy metal salts, and produce gypsum binders and products. In one embodiment, PG is reacted with a chloride solution in an acidic environment under mechanical manipulation and/or heat followed by galvanic and/or zeolite absorption removal of impurities.
    Type: Application
    Filed: April 2, 2015
    Publication date: January 26, 2017
    Inventors: Konstantin KOVLER, Boris DASHEVSKY, David Samuel KOSSON, Yonathan RECHES