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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.:

US 10907304 B1

PDFFull Text
Date of Patent:
Feb. 02, 2021

Filed:

Mar. 02, 2017

Ligno cellulosic materials and the products made therefrom

Applicant:

International Paper Company, Memphis, TN (US);

Inventors:

Zheng Tan, Princeton, NJ (US);

Damaris Lorenzoni, Venda Nova do Imigrante, BR;

Gopal Goyal, Mason, OH (US);

Sen Yang, Highland Mills, NY (US);

Assignee:

INTERNATIONAL PAPER COMPANY, Memphis, TN (US);

Attorneys:

Thomas W. Barnes, III

Clifford R. Lamar, II

Primary Examiner:

Anthony Calandra

Int. Cl.
CPC ...
D21C 9/16 (2006.01); D21C 9/00 (2006.01); D21H 11/20 (2006.01); D21H 17/65 (2006.01); D21H 27/00 (2006.01); D21H 27/30 (2006.01); A01N 25/10 (2006.01); A01N 59/00 (2006.01); A01N 59/16 (2006.01); A01N 59/20 (2006.01); D21H 11/04 (2006.01); D21H 17/66 (2006.01); D21H 21/32 (2006.01);
U.S. Cl.
CPC ...
D21C 9/163 (2013.01); A01N 25/10 (2013.01); A01N 59/00 (2013.01); A01N 59/16 (2013.01); A01N 59/20 (2013.01); D21C 9/002 (2013.01); D21C 9/004 (2013.01); D21H 11/04 (2013.01); D21H 11/20 (2013.01); D21H 17/65 (2013.01); D21H 17/66 (2013.01); D21H 21/32 (2013.01); D21H 27/007 (2013.01); D21H 27/30 (2013.01); Y10T 428/31971 (2015.04);
Abstract

A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.

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