Patents by Inventor Boris I. Koupchinov

Boris I. Koupchinov 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 of obtaining an purified wool fat and use as an additive to lubricants
    Patent number: 5399730
    Abstract: This invention relates to a purified wool fat essentially free from low molecular weight volatile acids, water soluble aliphatic alcohols and water. This purified wool fat is produced by effecting the esterification of free alcohols and fatty acid contained in the wool fat followed by solvent extraction and chromatographical purification of the extracted solvent. The purified wool fat can be used as a lubricant enhancer in lubricating oils.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: March 21, 1995
    Assignee: Development Products, Inc.
    Inventors: Boris I. Koupchinov, Viktor P. Parkalov, Vladimir G. Rodnenkov, Sergey F. Ermakov, Vitaly G. Tischenco, Lenoid A. Sarkisov, Feliks E. Gulijaev, Vladimir N. Kestelman, Anatoly I. Sviridenok
  • Correction of tribology of arthritis-affected joints and medicine for its implementation
    Patent number: 5238929
    Abstract: The protection of cartilaginous surfaces against wear by ensuring their low friction despite a deficiency of joint lubrication components. A specific mixture of liquid-crystal cholesterol ester derivatives can be introduced by a variety of means into the affected joints to provide a superior lubrication of the cartilaginous surfaces.
    Type: Grant
    Filed: October 22, 1991
    Date of Patent: August 24, 1993
    Assignee: Development Products, Inc.
    Inventors: Boris I. Koupchinov, Sergey F. Ermakov, E. D. Belojenko, Vladimir G. Rodnenkov, Vladimir N. Kestelman