Patents by Inventor Jaroslav G. Koval

Jaroslav G. Koval 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 extraction of crude oil
    Patent number: 5630474
    Abstract: In the process of the present invention, crude oil is extracted from crude oil-containing deposits with the aid of an emulsion containing the components(A) 100 parts by weight of organopolysiloxane(B) 10 to 100 parts by weight of surfactant and(C) water.
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: May 20, 1997
    Assignee: Wacker-Chemie GmbH
    Inventors: Willibald Burger, Peter Huber, Piotr Meschkov, Serguei V. Goussevt, Vladimir V. Mazajev, Jaroslav G. Koval