Patents by Inventor Oleg Anatolievich Malyshev

Oleg Anatolievich Malyshev 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: 6568537
    Abstract: There is proposed a composition for the flotation of useful minerals, comprising a frother based on dimethyl(isopropenylethynyl)carbinol and a collector, the frother, for improving the technological flotation characteristics, having the following chemical composition, in wt. %: dimethyl(isopropenylethynyl)carbinol, 95.0-98.0; tetramethylbutynediol, 0.1-1.5; diisopropenylacetylene, 0.1-1.0; 2,5-dimethyl-1,4-hexadien-3-one, 1.5-2.5.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: May 27, 2003
    Assignee: Zakrtoe Aktsionermoe Obschestvo “Strimer - Tsentr”
    Inventors: SErgei Anatolievich Schelkunov, Oleg Anatolievich Malyshev, Evgeny Mikhailovich Dubovsky, Yakov Yakovlevich Mamontov, Alexandr Anatolievich Maximov