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. 24, 2015

Filed:

Mar. 31, 2011
Applicants:

Kenichi Tominaga, Ibaraki, JP;

Atsushi Mori, Ibaraki, JP;

Kazuhiko Satoh, Ibaraki, JP;

Shigeru Shimada, Ibaraki, JP;

Hideaki Tsuneki, Osaka, JP;

Yoshiaki Hirano, Tokyo, JP;

Inventors:

Kenichi Tominaga, Ibaraki, JP;

Atsushi Mori, Ibaraki, JP;

Kazuhiko Satoh, Ibaraki, JP;

Shigeru Shimada, Ibaraki, JP;

Hideaki Tsuneki, Osaka, JP;

Yoshiaki Hirano, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 69/68 (2006.01); B01J 31/12 (2006.01); C07C 51/16 (2006.01); C07C 67/03 (2006.01); C07C 67/00 (2006.01); C07C 51/00 (2006.01);
U.S. Cl.
CPC ...
C07C 51/16 (2013.01); C07C 67/03 (2013.01); C07C 67/00 (2013.01); C07C 51/00 (2013.01);
Abstract

An alternative method for efficiently producing lactic acids from a carbohydrate-containing raw material such as cellulose is provided. The method for producing lactic acid and/or lactic acid ester comprises performing heat treatment on a carbohydrate-containing raw material in a solvent containing a catalyst, wherein the catalyst is at least one type of compound selected from the group consisting of a tin compound, an indium compound, and a rhenium compound, and the solvent contains water and/or alcohol.


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