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:
Apr. 21, 2015
Filed:
Jul. 21, 2011
Applicants:
John C. Lupien, Omaha, NE (US);
Michael Dyas, Waterloo, NE (US);
Inventors:
John C. Lupien, Omaha, NE (US);
Michael Dyas, Waterloo, NE (US);
Assignee:
Bastlab, LLC, Omaha, NE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21B 1/36 (2006.01); C07H 1/06 (2006.01); D01B 9/00 (2006.01); D01C 1/02 (2006.01);
U.S. Cl.
CPC ...
C07H 1/06 (2013.01); D01B 9/00 (2013.01); D01C 1/02 (2013.01);
Abstract
A method and system for cleaning lignin and other gums from lignocellulosic fiber is disclosed. Lignocellulosic fiber is rapidly depressurized to a pressure lower than atmospheric pressure. The fiber is exposed to ionized air during the rapid depressurization. The fiber is then repressurized to a pressure equal to or greater than atmospheric pressure.