Patents by Inventor Ryousuke Satou

Ryousuke Satou 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 metal contained in decopperized anode slime
    Patent number: 10151015
    Abstract: A method of leaching a precious metal contained in decopperized anode slime includes, agitating and circulating a slurry at the same time, in carrying out hydrochloric acid oxidation leaching of the precious metal contained in the decopperized anode slime by adding a hydrochloric acid and an oxidant to the slurry of the decopperized anode slime, wherein in the circulating, the slurry is extracted from a lower portion of a tank and supplied again into an upper portion of the tank.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: December 11, 2018
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Ryousuke Satou, Takahiro Uno, Satoshi Okada
  • METHOD FOR LEACHING PRECIOUS METAL CONTAINED IN DECOPPERIZED ANODE SLIME
    Publication number: 20170327927
    Abstract: A method of leaching a precious metal contained in decopperized anode slime includes, agitating and circulating a slurry at the same time, in carrying out hydrochloric acid oxidation leaching of the precious metal contained in the decopperized anode slime by adding a hydrochloric acid and an oxidant to the slurry of the decopperized anode slime, wherein in the circulating, the slurry is extracted from a lower portion of a tank and supplied again into an upper portion of the tank.
    Type: Application
    Filed: December 24, 2015
    Publication date: November 16, 2017
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Ryousuke Satou, Takahiro Uno, Satoshi Okada