Patents by Inventor Uriel S. Sokolov

Uriel S. Sokolov 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).

  • Recovery of metallic lead, lead compounds and plastic material from scrap storage batteries
    Patent number: 4042177
    Abstract: Metallic lead, lead compounds and plastic material are recovered from the remaining inert material in scrap storage batteries by crushing the scrap storage batteries, adding the crushed material to an aqueous suspension of magnetic granular material to separate the inert and plastic material from the metallic lead and lead compounds by suspending in an aqueous magnetic suspension the inert and plastic material but not the metallic lead and lead compounds in said suspension, separating the suspension from said metallic lead and lead compounds, magnetically separating the magnetic granular material from the inert and plastic material and then removing the plastic material from the inert material by floatation in an aqueous media.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: August 16, 1977
    Assignee: N L Industries, Inc.
    Inventors: John P. Cestaro, Ranna K. Hebbar, Uriel S. Sokolov