Patents by Inventor Wanda Kosinska

Wanda Kosinska 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).

  • Compositions of polyphenylene oxide or of mixtures of polyphenylene oxide with a styrene polymer
    Patent number: 4687799
    Abstract: Thermally stable compositions, also showing high fluidity in the molten state comprise polyphenylene oxide, or a mixture of polyphenylene oxide with a styrene polymer, and a stabilizer system consisting of 2,4-bis(n-octylthio)-6-(4-hydroxy-3,5-di-tert.butylanilino)-1,3,5-triazine and dilauryl thiopropanoate.
    Type: Grant
    Filed: September 26, 1986
    Date of Patent: August 18, 1987
    Assignee: Enichem, S.p.A.
    Inventors: Wanda Kosinska, Dorota Grzelak, Irena Penczek, Jan Bialy