Patents by Inventor Mikhall G. Ivanov

Mikhall G. Ivanov 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).

  • Carbamic acid derivatives
    Patent number: 4904781
    Abstract: Carbamic acid derivatives having the following general formula: ##STR1## wherein R is an aromatic radical containing at least one benzene ring with at least one hydrogen atom substituted with a methyl, methylene or methine group; n=2 to 7.A method for preparing carbamic acid derivatives which comprises reacting 3(5)-methylpyrazole with an isocyanate of the general formula: R(NCO).sub.n, wherein:R is an aromatic radical containing at least one benzene ring having at least one hydrogen atom substituted with a methyl, methylene or methine group; n=2 to 7;the reaction being conducted in a melt or a solution of an inert organic solvent.
    Type: Grant
    Filed: January 12, 1988
    Date of Patent: February 27, 1990
    Inventors: Mikhall G. Ivanov, Veniamin G. Golov, Vladimir N. Kuzmin, Aida I. Alyakrinskaya, Roman Y. Mushy, Alexei D. Kovalev, Nadezhda V. Shutova, Jury A. Rodionov, Igor I. Molev, Ljudmila S. Yakovleva, Vitaly B. Berezin, Alexei I. Petrashko, Gennady M. Shuev, Boris A. Bukin, Tamara M. Belkina, deceased, by Naum S. Belkin, administrator