Patents by Inventor Mikhail R. Levit

Mikhail R. Levit 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).

  • Solid sheet material especially useful for circuit boards
    Publication number: 20030082974
    Abstract: A solid sheet which contains an nonwoven fabric made from short high tensile modulus fibers and a thermoplastic polymer having a low moisture absorption matrix resin that is useful as a substrate for circuit boards.
    Type: Application
    Filed: August 26, 2002
    Publication date: May 1, 2003
    Inventors: Michael R. Samuels, Subhotosh Khan, Mikhail R. Levit
  • Nonwoven material for low friction bearing surfaces
    Publication number: 20030022571
    Abstract: The present invention relates to a saturable nonwoven material comprising fluoropolymer floc and aramid floc, which can be used as a substrate for a liner for self-lubricating bearings and for other applications.
    Type: Application
    Filed: July 24, 2001
    Publication date: January 30, 2003
    Inventors: Jaime A. Ampuero Auza, Mikhail R. Levit, Arthur R. Nelson
  • Non-woven sheet of aramid floc
    Publication number: 20020142689
    Abstract: The present invention relates to a wet-laid non-woven sheet made from a essentially binder-free aramid floc, wherein the aramid floc includes at least 25 percent by weight of para-aramid floc based on the total weight of aramid floc only, and a process for making the sheet.
    Type: Application
    Filed: January 23, 2001
    Publication date: October 3, 2002
    Inventor: Mikhail R. Levit
  • Aramid and glass fiber absorbent papers
    Patent number: 6120643
    Abstract: The present invention relates to highly absorbent paper made using a combination of aramid fibers and glass fibers with fibrids or resin as a binder material.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: September 19, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Mikhail R. Levit