Patents by Inventor Vladimir Anatolievich Kourbatov

Vladimir Anatolievich Kourbatov 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).

  • Method for inhibiting the polymerization of vinyl aromatics
    Patent number: 5744672
    Abstract: A method for inhibiting the polymerization of vinyl aromatics such as styrene with a mixture of 3,5-di-tert-butyl-4-hydroxy-N,N-dimethylbenzyl amine and carboxylic acids or anhydrides thereof, in the presence of air or oxygen. The weight ratio of said 3,5-Di-tert-butylhydroxy-N,N-dimethylbenzyl amine, carboxylic acid (or carboxylic acid anhydride) and the air is 1:1 to 0.05:0.05 to 15, respectively.
    Type: Grant
    Filed: January 23, 1996
    Date of Patent: April 28, 1998
    Inventors: Vladimir Anatolievich Kourbatov, Nataljya Pavlovna Boreyko, Valerii Pavlovich Zouev, Alexandr Grigorievich Liakumovich