Loading patent…
OwnerMikhall G. Ivanov, Veniamin G. Golov +14inventors
InventorsMikhall 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
Estimating the term…
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.
A compound of the formula:
Dependencies are inferred from the claim text.