Patents by Inventor Anna JANKOWSKI

Anna JANKOWSKI 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).

  • Calcium treatment of alkyl-tin stabilizers
    Patent number: 9227989
    Abstract: An alkyl-tin stabilizer composition is treated with a calcium compound to reduce the carboxylate content level of the stabilizer.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: January 5, 2016
    Assignee: Royal Group, Inc.
    Inventors: Scott Chambers, Davide Achiluzzi, Chris Turnbull, Anna Jankowski
  • CALCIUM TREATMENT OF ALKYL-TIN STABILIZERS
    Publication number: 20150112006
    Abstract: An alkyl-tin stabilizer composition is treated with a calcium compound to reduce the carboxylate content level of the stabilizer.
    Type: Application
    Filed: October 17, 2014
    Publication date: April 23, 2015
    Inventors: Scott CHAMBERS, Davide ACHILUZZI, Chris TURNBULL, Anna JANKOWSKI