Patents by Inventor Evgenia Moiseevna Alkaeva

Evgenia Moiseevna Alkaeva 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 of obtaining nicotinic acid
    Patent number: 5728837
    Abstract: A method has been developed for preparing nicotinic acid with a yield of 82-86% mol, in which method there is no formation of harmful gas wastes and liquid wastes.The process is carried out by gas-phase single-step oxidation of .beta.-picoline with oxygen in the presence of water vapor and a catalyst on the base of oxides of vanadium and titanium, with or without additives, at a temperature of 250.degree.-290.degree. C. and mole ratios O.sub.2 :.beta.-picoline=15-40 and H.sub.2 O:.beta.-picoline=10-70.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: March 17, 1998
    Assignee: Institut Kataliza Imeni G.K. Boreskova Sibirskogo Otdelenia Rossiiskoi Akademii Nauk
    Inventors: Evgenia Moiseevna Alkaeva, Tamara Vitalievna Andrushkevich, Galina Alexeevna Zenkovets, Mikhail Grigorievich Makarenko