Patents by Inventor Lev I. Trusov

Lev I. Trusov 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).

  • Process for the production of porous membranes
    Patent number: 5364586
    Abstract: A filter membrane and a process for making the filter membrane are provided. The filter membrane comprises a metal substrate having a filtering layer thereon comprising sintered ultra-fine particles of metal or ceramic compounds. The filtering layer preferably has an average pore size of from about 30 nanometers to about 200 nanometers. The filter membranes can withstand pressure drops of up to about 0.6 MPa and are useful for a variety of filtering applications.
    Type: Grant
    Filed: August 17, 1993
    Date of Patent: November 15, 1994
    Assignee: Ultram International L.L.C.
    Inventors: Lev I. Trusov, Vladimir N. Lapovok, Victor I. Novikov