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:
Jun. 28, 2016
Filed:
Aug. 13, 2012
Applicant:
Alex Berlin, Davis, CA (US);
Inventor:
Alex Berlin, Davis, CA (US);
Assignee:
FIBRIA INNOVATIONS INC., Vancouver, CA;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08H 7/00 (2011.01); C07G 1/00 (2011.01); D01F 9/17 (2006.01); C08H 8/00 (2010.01); C08L 97/00 (2006.01);
U.S. Cl.
CPC ...
C08H 6/00 (2013.01); C07G 1/00 (2013.01); C08H 8/00 (2013.01); C08L 97/005 (2013.01); D01F 9/17 (2013.01);
Abstract
The present disclosure provides derivatives of native lignin suitable for production of carbon fibers wherein the derivatives of native lignin have a certain alkoxy content and/or a certain carbon content. The present lignin derivatives can have acceptable spinnability performance characteristics for producing carbon fibers having acceptable tensile strengths and acceptable modulus of elasticity.