Patents by Inventor Vadim S. Burov

Vadim S. Burov 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).

  • Patent number: 4968327
    Abstract: The composition is formulated as follows, in percent by weight:synthetic corundum material: 76.5 to 90.0kaolinite: 2.1 to 5.7feldspar: 2.8 to 7.6adhesive and moistening ingredient: 3.0 to 4.5calcium borosilicate frit: 2.1 to 5.7Calcium borosilicate frit compositon, in percent by weight, is as follows:silicon oxide: 22.0 to 38.0aluminium oxide: 14.5 to 15.5boron oxide: 25.0 to 35.0calcium oxide: 12.5 to 17.5sodium oxide: 4.0 to 7.5potassium oxide: 2.0 to 3.5The boron oxide-to-calcium oxide ratio is within 1.5 to 2.5.
    Type: Grant
    Filed: April 6, 1989
    Date of Patent: November 6, 1990
    Assignee: Nauchno-Proizvodstvennoe Obiedinenie Po Abrazivam
    Inventors: Mikhail G. Efros, Zoya M. Prozorova, Svetlana M. Fedotova, Vadim S. Burov, Vyacheslav M. Kolomazin, Grigory I. Lemesh