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:
Feb. 22, 2011
Filed:
May. 23, 2008
Applicants:
Keith Luo, Edmonton, CA;
Wade Chute, Edmonton, CA;
Inventors:
Keith Luo, Edmonton, CA;
Wade Chute, Edmonton, CA;
Assignee:
Alberta Innovates - Technology Futures, Edmonton, Alberta, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21C 11/00 (2006.01); D21C 3/00 (2006.01); D01C 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing dissolving pulp includes a degumming step using a degumming liquor which includes hydrogen peroxide and ammonia.