Patents by Inventor Ingrid Englund

Ingrid Englund 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 precipitated lignin from black liquor and precipitated lignin produced by the process
    Patent number: 9567360
    Abstract: The present invention relates to a process tor the production of precipitated lignin from black liquor wherein the process comprises the steps of providing a black liquor stream treating the black liquor at an increased temperature and precipitating the lignin from the heat treated black liquor. The present invention further relates to precipitated lignin produced according to the process and use of the precipitated lignin produced.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: February 14, 2017
    Assignee: Stora Enso OYJ
    Inventors: Mikael Hannus, Maria Björk, Niklas Garoff, Ingrid Englund
  • PROCESS FOR PRODUCTION OF PRECIPITATED LIGNIN FROM BLACK LIQUOR AND PRECIPITATED LIGNIN PRODUCED BY THE PROCESS
    Publication number: 20130131326
    Abstract: The present invention relates to a process tor the production of precipitated lignin from black liquor wherein the process comprises the steps of providing a black liquor stream treating the black liquor at an increased temperature and precipitating the lignin from the heat treated black liquor. The present invention further relates to precipitated lignin produced according to the process and use of the precipitated lignin produced.
    Type: Application
    Filed: July 7, 2011
    Publication date: May 23, 2013
    Applicant: STORA ENSO OYJ
    Inventors: Mikael Hannus, Maria Björk, Niklas Garoff, Ingrid Englund