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:
Apr. 10, 2012

Filed:

Feb. 22, 2008
Applicants:

Atsushi Ohnishi, Himeji, JP;

Yutaka Isobe, Myoko, JP;

Inventors:

Atsushi Ohnishi, Himeji, JP;

Yutaka Isobe, Myoko, JP;

Assignee:

Daicel Chemical Industries, Ltd., Osaka-Shi, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 20/22 (2006.01); B01J 20/24 (2006.01); B01J 20/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical isomer separating filler wherein a polysaccharide derivative is chemically bonded onto a support. This optical isomer separating filler is characterized in that the halogen content in the filler is 3.0 to 5.0%.


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