Patents by Inventor Lev Ivanovich Galov

Lev Ivanovich Galov 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).

  • Electrodialysis of bleaching effluent
    Patent number: 4049490
    Abstract: A cellulose containing vegetable material is bleached by the steps of chlorinating said material, followed by ammonia treatment and post bleaching with washing stages between said steps. Waste waters resulting from the washing stages are purified by subjecting said waste waters to electrodialysis and recovering ammonium chloride from the purified waste waters. The recovered ammonium chloride is used to pre-treat the cellulose material prior to chlorination thereof and the purified waste waters are reused in the washing stages.
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: September 20, 1977
    Inventors: Veniamin Petrovich Zaplatin, Vasily Petrovich Svitelsky, Lev Ivanovich Galov, Alla Konstantinovna Djukareva, Rozalia Grigorievna Sklyar, Vasily Alexeevich Denisovich, Dmitry Alexeevich Shirokov, Vladimir Alexandrovich Shevchenko