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.

Date of Patent:
Mar. 08, 2022

Filed:

Apr. 17, 2018
Applicant:

Board of Trustees of Michigan State University, East Lansing, MI (US);

Inventors:

Eric Linke Hegg, East Lansing, MI (US);

James E. Jackson, Haslett, MI (US);

Grace Elizabeth Klinger, Lansing, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07G 1/00 (2011.01); C07C 37/54 (2006.01); C07C 41/01 (2006.01); C07C 45/65 (2006.01); C25B 3/25 (2021.01);
U.S. Cl.
CPC ...
C07G 1/00 (2013.01); C07C 37/54 (2013.01); C07C 41/01 (2013.01); C07C 45/65 (2013.01); C25B 3/25 (2021.01);
Abstract

The disclosure relates to a method for depolymerizing lignin. The method includes reacting a lignin compound with a thiol compound to depolymerize the lignin compound and to form a depolymerized lignin product having a reduced molecular weight relative to the lignin compound prior to reacting. The method can further include forming an oxidized thiol reaction product between two thiol groups from one or more thiol compounds, and then reducing the oxidized thiol reaction product to re-form or regenerate the thiol compound for further lignin depolymerization.


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