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 8962883 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 24, 2015

Filed:

May. 29, 2010
Applicants:

Larry Todd Banner, Ottumwa, IA (US);

John Andrew Bohlmann, Ottumwa, IA (US);

Brian J. Brazeau, Excelsior, MN (US);

Tzyy-jan Han, Pella, IA (US);

Paul Loucks, Blakesburg, IA (US);

Shannon Nicole Shriver, Pella, IA (US);

Shuang Zhou, Pella, IA (US);

Inventors:

Larry Todd Banner, Ottumwa, IA (US);

John Andrew Bohlmann, Ottumwa, IA (US);

Brian J. Brazeau, Excelsior, MN (US);

Tzyy-Jan Han, Pella, IA (US);

Paul Loucks, Blakesburg, IA (US);

Shannon Nicole Shriver, Pella, IA (US);

Shuang Zhou, Pella, IA (US);

Assignee:

Cargill, Incorporated, Wayzata, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 59/185 (2006.01); B01D 3/10 (2006.01); C07C 51/44 (2006.01);
U.S. Cl.
CPC ...
C07C 51/44 (2013.01); C07C 51/44 (2013.01); C07C 59/185 (2013.01);
Abstract

Systems and methods for producing levulinic acid from fungal biomass are disclosed. In one implementation, a method for distilling levulinic acid from a glucosamine-containing feedstock is disclosed that yields a relatively pure (e.g., 90% or greater) levulinic acid product from an otherwise problematic waste stream.


Find Patent Forward Citations

Banner, Larry. (2015). Levulinic acid from fungal biomass (U.S. Patent No. 8962883). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8962883

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