Patents by Inventor Barbara Nocon

Barbara Nocon 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).

  • Process for production of 4,4-isopropylidene-bis-2,6-dibromo/phenol
    Patent number: 4112242
    Abstract: Tetrabromo bisphenol A is prepared from bisphenol A by reacting it with less than four moles of bromine in organic solvent, with or without water, and with simultaneous or subsequent treatment with alkali metal chlorate.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: September 5, 1978
    Assignee: Zaklady Chemiczne "Organika-Azot"
    Inventors: Janusz Swietoslawski, Andrzej Silowiecki, Aleksander Ratajczak, Barbara Nocon, Zofia Baniak