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:
Nov. 01, 2011

Filed:

Nov. 03, 2008
Applicants:

Chiaki Suyama, Yokohama, JP;

Shinichi Tokuda, Yokohama, JP;

Masao Tsurui, Higashi Ibaraki-gun, JP;

Yoshinori Suto, Yokohama, JP;

Koji Tamura, Higashi Ibaraki-gun, JP;

Tsutomu Katagiri, Higashi Ibaraki-gun, JP;

Teruo Nagai, Tokyo, JP;

Jin Ogawa, Tokyo, JP;

Takeshi Yamaguchi, Tokyo, JP;

Inventors:

Chiaki Suyama, Yokohama, JP;

Shinichi Tokuda, Yokohama, JP;

Masao Tsurui, Higashi Ibaraki-gun, JP;

Yoshinori Suto, Yokohama, JP;

Koji Tamura, Higashi Ibaraki-gun, JP;

Tsutomu Katagiri, Higashi Ibaraki-gun, JP;

Teruo Nagai, Tokyo, JP;

Jin Ogawa, Tokyo, JP;

Takeshi Yamaguchi, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/00 (2006.01); C10L 5/00 (2006.01); C10B 53/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

This method of upgrading a biomass comprises: an upgrading step for performing upgrading treatment of a cellulose based biomass with an oxygen/carbon atomic ratio of at least 0.5, in presence of water and under a pressure of at least saturated water vapor pressure, and reducing said oxygen/carbon atomic ratio of said biomass to no more than 0.38, and a separation step for separating an upgraded reactant obtained from said upgrading step into a solid component and a liquid component.


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