Patents by Inventor Michael Joseph Nannini

Michael Joseph Nannini 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).

  • Diatomaceous earth filter aid containing a low crystalline silica content
    Patent number: 9095842
    Abstract: A diatomaceous earth product with low crystalline silica content after at least one calcination step of between about 927° C. (1700° F.) and about 1149° C. (2100° F.) is disclosed. The product comprises natural diatomaceous earth and at least one binding agent comprising potassium silicate. Further the product comprises no more than about 4.0 wt % of crystalline silica and has a permeability in the range of about 0.3 darcy to greater than about 20 darcy. A process for making such diatomaceous earth product with a low crystalline silica content is disclosed. Moreover, a diatomaceous earth filter aid comprising such a diatomaceous earth product is disclosed.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: August 4, 2015
    Assignee: EP MINERALS, LLC
    Inventors: Michael Joseph Nannini, Wilson Kamau Wanene, Chongjun Jiang, Peter Edward Lenz
  • Diatomaceous Earth Filter Aid Containing a Low Crystalline Silica Content
    Publication number: 20140171305
    Abstract: A diatomaceous earth product with low crystalline silica content after at least one calcination step of between about 927° C. (1700° F.) and about 1149° C. (2100° F.) is disclosed. The product comprises natural diatomaceous earth and at least one binding agent comprising potassium silicate. Further the product comprises no more than about 4.0 wt % of crystalline silica and has a permeability in the range of about 0.3 darcy to greater than about 20 darcy. A process for making such diatomaceous earth product with a low crystalline silica content is disclosed. Moreover, a diatomaceous earth filter aid comprising such a diatomaceous earth product is disclosed.
    Type: Application
    Filed: December 13, 2012
    Publication date: June 19, 2014
    Applicant: EP MINERALS, LLC
    Inventors: Michael Joseph Nannini, Wilson Kamau Wanene, Chongjun Jiang, Peter Edward Lenz