Patents by Inventor Irina L. Lir

Irina L. Lir 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).

  • Polyurethane foam composition for immobilization in traumatology
    Patent number: 4771082
    Abstract: A polyurethane foam composition for immobilization in traumatology containing the following components in mass %:hydroxyl-containing polyester: 20-30catalyst: 0.5-3.0foaming agent: 0.5-7.0foam stabilizer: 0.5-0.9low molecular polyolefin: 20-30polyisocyanate ensuring the ratio of the isocyanate and hydroxyl groups in the polyester equal to 1:1: the balance.
    Type: Grant
    Filed: September 2, 1987
    Date of Patent: September 13, 1988
    Inventors: Valentin D. Solodovnik, Irina L. Lir, Anatoly B. Davydov, Agnessa S. Scherbak, Igor A. Ljukevich, Viktor V. Cherkashin