Patents by Inventor Yuriy Shvartsman

Yuriy Shvartsman 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 of phosphoric acid concentration
    Patent number: 5824132
    Abstract: The wet process phosphoric acid evaporation, its clarifying, fertilizer production and fertilizer efficiency is improved in the presence of multi-component mixture of anionic surfactants and ammonium compound.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: October 20, 1998
    Inventors: Bronislava Kopyleva, Yuriy Shvartsman