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:
Oct. 02, 2018

Filed:

Feb. 12, 2013
Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Masahiro Niwa, Tokyo, JP;

Sho Shindo, Akita, JP;

Takanori Nishida, Akita, JP;

Junpei Kishimoto, Kanagawa, JP;

Atsushi Minamino, Kanagawa, JP;

Hiroyuki Kurihara, Kanagawa, JP;

Katsushige Yamada, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 7/10 (2006.01); C13K 1/02 (2006.01); C13K 13/00 (2006.01); C12P 19/02 (2006.01); C12P 19/14 (2006.01); C13K 1/04 (2006.01);
U.S. Cl.
CPC ...
C12P 7/10 (2013.01); C12P 19/02 (2013.01); C12P 19/14 (2013.01); C13K 1/02 (2013.01); C13K 1/04 (2013.01); C13K 13/002 (2013.01); C12P 2201/00 (2013.01); Y02E 50/16 (2013.01); Y02E 50/17 (2013.01);
Abstract

A method of producing a sugar solution includes a pretreatment step of treating cellulosic biomass with a treatment agent containing ammonia to obtain an ammonia-treated product, an ammonia-treated sugar solution preparation step of enzymatically saccharifying the ammonia-treated product to obtain an ammonia-treated sugar solution, and a purified sugar solution preparation step of removing coumaramide and/or ferulamide in the ammonia-treated sugar solution by purification to obtain a purified sugar solution having a concentration of coumaramide and/or ferulamide of 10 to 1,100 ppm.


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