Patents by Inventor Leo G. Cirotski

Leo G. Cirotski 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).

  • Sodium bicarbonate production from nahcolite
    Publication number: 20040231109
    Abstract: A method for producing sodium bicarbonate from a nahcolite deposit comprising injecting water or other aqueous solution at a temperature of at least 250° F. into the deposit, dissolving sodium bicarbonate in the hot water to form a production solution and subjecting the production solution to multiple stages of crystallization. The sodium bicarbonate crystals may be dewatered and dried to form a commercial sodium bicarbonate product.
    Type: Application
    Filed: March 1, 2004
    Publication date: November 25, 2004
    Inventors: Kurt R. Nielsen, Leo G. Cirotski, Allan L. Turner
  • Sodium bicarbonate production from nahcolite
    Patent number: 6699447
    Abstract: A method for producing sodium bicarbonate from a nahcolite deposit comprising injecting water or other aqueous solution at a temperature of at least 250° F. into the deposit, dissolving sodium bicarbonate in the hot water to form a production solution and subjecting the production solution to multiple stages of crystallization. The sodium bicarbonate crystals may be dewatered and dried to form a commercial sodium bicarbonate product.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: March 2, 2004
    Assignee: American Soda, LLP
    Inventors: Kurt R. Nielsen, Leo G. Cirotski, Allan L. Turner