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:
Mar. 26, 2019
Filed:
Jun. 03, 2016
Applicant:
Gl&v Luxembourg S.å.r.l., Munsbach, LU;
Inventors:
Bruce Crossley, Pittsfield, MA (US);
Marc Gerrer, Merrimack, NH (US);
Assignee:
GL&V USA, Inc., Nashua, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 1/02 (2006.01); D21D 5/04 (2006.01); D21H 11/18 (2006.01); C08B 15/08 (2006.01); D21C 9/00 (2006.01); D21D 1/00 (2006.01); D21D 99/00 (2006.01);
U.S. Cl.
CPC ...
D21D 5/04 (2013.01); C08B 15/08 (2013.01); C08L 1/02 (2013.01); D21C 9/007 (2013.01); D21D 1/00 (2013.01); D21D 99/00 (2013.01); D21H 11/18 (2013.01);
Abstract
A cellulose nanofibrils production method comprising the steps of: identifying a desired level of cellulose nanofibrils pulp purity, partially refining pulp to produce a cellulose nanofibrils pulp purity between 5% and 15% less than the desired desired purity, and then separating out the cellulose nanofibrils from the longer fibers to produce the desired level of cellulose nanofibrils pulp purity.