Patents by Inventor James B. Rodosevich

James B. Rodosevich 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 controlling boric acid particle size distribution
    Patent number: 4578086
    Abstract: Boric acid is crystallized from saturated aqueous solutions thereof by adding to the solutions small proportions of water soluble polymers which control the particle size distribution of the boric acid during crystallization.
    Type: Grant
    Filed: September 2, 1983
    Date of Patent: March 25, 1986
    Assignee: Kerr-McGee Chemical Corporation
    Inventors: Avinash D. Puri, James L. Fairchild, James B. Rodosevich
  • Method of continuously controlling crystal fines formation
    Patent number: 4478599
    Abstract: A method for continuously controlling the formation of crystal fines in a continuous crystallizing process in which product crystals are produced in a crystallizing zone from crystallizable material in a mother liquor, and in which product crystals are thereafter recovered. The invention is practiced by adding a flocculant, specific to the crystallizable material, to the mother liquor at a rate effective to cause flocculation of particles of crystallizable material in the mother liquor. One embodiment of the invention is practiced in a process for producing sodium bicarbonate crystals by adding anionic polyacrylate and/or polyacrylamide polymers to a sodium carbonate-containing feed brine received in a carbonator.
    Type: Grant
    Filed: May 25, 1982
    Date of Patent: October 23, 1984
    Assignee: Kerr-McGee Chemical Corporation
    Inventors: Avinash D. Puri, James B. Rodosevich, James L. Fairchild