Patents by Inventor Natalia Vladimirovna Amelina

Natalia Vladimirovna Amelina 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).

  • Pourous fluorocarbon membrane, method for producing thereof and cartridge filter based on said membrane
    Patent number: 5988400
    Abstract: A porous fluorocarbon membrane has a porous support completely impregnated with tetrafluoroethylene/vinylidene fluoride copolymer. There is a process for producing this membrane by impregnating a porous support with a copolymer solution in a readily-boiling solvent and a precipitating mixture of alcohol and water followed by curing for partial hardening of the solution and subsequent drying at elevated temperature. A cartridge filter includes protective and supporting cylindrical perforated hollow housings, containing a fluorocarbon membrane or two superimposed flourocarbon membranes. Membranes and a cartridge filter find extensive use in separation of gases and aggressive media.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: November 23, 1999
    Assignee: Aktsionernoe Obschestvo "Polimersintez"
    Inventors: Vyacheslav Grigorievich Karachevtcev, Vladimir Pavlovich Dubjaga, Natalia Vladimirovna Amelina, Aleksandr Valentinovich Tarasov