Patents by Inventor Sebastião Ailton Rodrigues

Sebastião Ailton Rodrigues 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).

  • Enhanced process to produce a thermofertiliser from potassium-bearing minerals
    Patent number: 8435322
    Abstract: A simplified and enhanced process to produce thermofertiliser obtained from potassium and phosphorous-bearing minerals is provided, where these elements may or may not be in citric acid or insoluble in water. The process also includes the use of specific additives, at the beginning of the process or immediately before the beginning of the thermal treatment step, in order to increase the potassium and phosphorous contents in the product and the overall efficiency of the process and also to promote the production of a high quality thermofertiliser.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: May 7, 2013
    Assignee: Vale S.A.
    Inventors: Sebastião Ailton Rodrigues, Ruberlan Gomes Da Silva
  • ENHANCED PROCESS TO PRODUCE A THERMOFERTILISER FROM POTASSIUM-BEARING MINERALS
    Publication number: 20110232347
    Abstract: A simplified and enhanced process to produce thermofertiliser obtained from potassium and phosphorous-bearing minerals is provided, where these elements may or may not be in citric acid or insoluble in water. The process also includes the use of specific additives, at the beginning of the process or immediately before the beginning of the thermal treatment step, in order to increase the potassium and phosphorous contents in the product and the overall efficiency of the process and also to promote the production of a high quality thermofertiliser.
    Type: Application
    Filed: October 29, 2010
    Publication date: September 29, 2011
    Applicant: VALE S.A.
    Inventors: Sebastião Ailton Rodrigues, Ruberlan Gomes Da Silva