Patents by Inventor Arman Pivazyan

Arman Pivazyan 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 for leaching precious metals containing ores using thiosulfate compounds and alkaline earth metals hydroxides
    Patent number: 10808295
    Abstract: Methods, systems and lixiviation compositions including an ammonium thiosulfate or a non-ammonium thiosulfate component in combination with one or more alkaline earth metal hydroxides, and optionally copper cations, for leaching precious metals from a precious metal containing material. The alkaline earth metal hydroxides may include magnesium hydroxide, calcium hydroxide, or a combination of magnesium hydroxide and calcium hydroxide.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: October 20, 2020
    Inventor: Arman Pivazyan
  • METHOD FOR LEACHING PRECIOUS METALS CONTAINING ORES USING THIOSULFATE COMPOUNDS AND ALKALINE EARTH METALS HYDROXIDES
    Publication number: 20190241991
    Abstract: Methods, systems and lixiviation compositions including an ammonium thiosulfate or a non-ammonium thiosulfate component in combination with one or more alkaline earth metal hydroxides, and optionally copper cations, for leaching precious metals from a precious metal containing material. The alkaline earth metal hydroxides may include magnesium hydroxide, calcium hydroxide, or a combination of magnesium hydroxide and calcium hydroxide.
    Type: Application
    Filed: July 5, 2017
    Publication date: August 8, 2019
    Inventor: Arman Pivazyan
  • Borinic acid protease inhibitors
    Publication number: 20030220267
    Abstract: The invention provides compounds of formula I: 1
    Type: Application
    Filed: February 11, 2003
    Publication date: November 27, 2003
    Inventors: Donald S. Matteson, Levente Fabry-Asztalos, William H. Prusoff, Arman Pivazyan