Patents by Inventor Valentina I. Surkova

Valentina I. Surkova 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).

  • Process for purification of gases
    Patent number: 4157376
    Abstract: A process for the removal of hydrogen fluoride and/or hydrogen chloride from gases comprising passing the gas to be purified through anion-exchange sorbent composed of a textured chemisorption fiber based on carbo-chain polymers with vinylpyridine groups or aliphatic amino groups. On exhaustion the sorbent is regenerated with water.The process of the present invention makes it possible to purify gases substantially completely irrespective of the initial concentrations of impurities in the gas being treated and ensures practically unlimited number of sorption-regeneration cycles with the same sorbent.
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: June 5, 1979
    Inventors: Alexandr I. Vulikh, Maina K. Zagorskaya, Natalia A. Fokina, Gennady A. Nikandrov, Lidia A. Reznichenko, Mikhail P. Zverev, Arkady N. Barash, Valentina I. Surkova, Alexei M. Mavrin, Nikolai V. Troyan, Nadezhda F. Kalyanova, Ivan G. Shimko, Alexandr A. Alovyainikov, Lev I. Pechalin