The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2013
Filed:
Feb. 15, 2010
Mikhail Yurevich Balakshin, North Vancouver, CA;
Alex Berlin, Burnaby, CA;
Humbert Thomas Dellicolli, Hanahan, SC (US);
Chadrick Adam Nathaniel Jordan Grunert, Vancouver, CA;
Vera Maximenko Gutman, Burnaby, CA;
Darwin Ortiz, Delta, CA;
Edward Kendall Pye, Media, PA (US);
Mikhail Yurevich Balakshin, North Vancouver, CA;
Alex Berlin, Burnaby, CA;
Humbert Thomas Dellicolli, Hanahan, SC (US);
Chadrick Adam Nathaniel Jordan Grunert, Vancouver, CA;
Vera Maximenko Gutman, Burnaby, CA;
Darwin Ortiz, Delta, CA;
Edward Kendall Pye, Media, PA (US);
Lignol Innovations Ltd., Burnaby, CA;
Abstract
One aspect of the invention relates to lignin derivatives having an aliphatic hydroxyl content of 2.35 mmol/g lignin or less, and the preparation method thereof. The lignin derivatives have a desired antioxidant activity characterized by the normalized radical scavenging index (RSI). Another aspect of the invention relates to compositions comprising the lignin derivative. Another aspect of the invention relates to a use of the lignin derivatives comprising incorporating the lignin derivatives into polymer compositions.