Patents by Inventor Jerzy Synowiec

Jerzy Synowiec 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 simultaneous manufacture of phosphoric acid or the salts thereof and a complex multi-component mineral fertilizer
    Patent number: 4007030
    Abstract: In the process according to the invention, raw phosphate rock is decomposed with an aqueous solution of sulfuric acid and ammonium sulfate recycled from the conversion step of phosphogypsum into chalk, and then the decomposition liquor stream is divided into a partial acid plant stream (Liquor I) to be converted into phosphoric acid and a partial fertilizer plant stream (Liquor II) to be processed to a multi-component mineral fertilizer. From the acid plant stream (Liquor I) constituting up to 30 per cent by weight of the total decomposition stream, ammonium sulfate is precipitated and introduced into the fertilizer plant stream (Liquor II), all the above mentioned processes of decomposition, separation and precipitation being carried out continuously.
    Type: Grant
    Filed: March 2, 1976
    Date of Patent: February 8, 1977
    Assignee: Przedsiebiorstwo Projektowania I Dostaw Kompletnych Obiektov Przemyslowych "Chemadx"
    Inventors: Jerzy Schroeder, Jerzy Synowiec, Tadeusz Zrubek, Henryk Gorecki, Zdzislaw Wolnicki, Roman Hnatowicz