Patents by Inventor Paula Rantamäki

Paula Rantamäki 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).

  • METHOD FOR MAKING CELLULOSE CARBAMATE
    Publication number: 20170145119
    Abstract: The present invention relates to a method for manufacturing cellulose carbamate which method comprises the following steps: providing a never-dried pulp, adding urea and mixing said pulp with said urea, mechanically treating said mixture, drying the mixture, and heating the relatively dry mixture thus providing a cellulose carbamate. The present invention also relates to a cellulose carbamate obtainable by said method, use of said cellulose carbamate and a dope comprising said cellulose carbamate.
    Type: Application
    Filed: June 23, 2015
    Publication date: May 25, 2017
    Inventors: Heidi Saxell, Paula Rantamäki, Kalle Ekman