Patents by Inventor Lyubov Dmitrievna Strelkova

Lyubov Dmitrievna Strelkova 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).

  • Composition for obtaining foamed polyvinylchloride material and method of obtaining it
    Patent number: 5705538
    Abstract: A foamed polyvinylchloride (PVC) material is produced by mixing of 100 mass parts of PVC with 0.5-5 mass parts of sodium alkyl sulfonate, molding of the obtained composition and followed by heating for foaming at 190.degree.-300.degree. C. for 3-20 mins. Molding is performed either under 0.5-400 MPa and 20.degree.-170.degree. C., followed by heating to 140.degree.-150.degree. C. in the closed space, or in a free state in the form of 2-16 mm thickness layer. In the latter case the layer before foaming can be subjected to packing.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: January 6, 1998
    Assignee: Polimerplast
    Inventors: Igor Victorovich Morozov, Lyubov Dmitrievna Strelkova, Yuliya Vladimirovna Razborova, Pyotr Mikhailovich Traskin, German Valeryevich Gordeyev, Valery Innokentyevich Yemelyanov, Valery Iosifovich Kharitonov, Anatoly Fyodorovich Perevalov, Vladimir Yevgenyevich Popov, Vyacheclav Nikolayevich Kovalev