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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 10221211 B1

PDFFull Text
Date of Patent:
Mar. 05, 2019

Filed:

Sep. 26, 2014

Process for producing porous cellulose beads using alkali aqueous solution

Applicant:

Kaneka Corporation, Osaka-shi, JP;

Inventors:

Takahiro Okubo, Takasago, JP;

Yoshikazu Kawai, Takasago, JP;

Masaru Hirano, Takasago, JP;

Fuminori Konoike, Takasago, JP;

Keiichi Karasugi, Takasago, JP;

Tatsuya Honda, Takasago, JP;

Assignee:

KANEKA CORPORATION, Osaka-shi, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Edward M Johnson

Int. Cl.
CPC ...
B01D 15/38 (2006.01); C07K 1/22 (2006.01); B01J 20/24 (2006.01); C08B 1/08 (2006.01); C08B 15/08 (2006.01); C08B 15/10 (2006.01); C08B 3/06 (2006.01); C08B 15/00 (2006.01); C08B 16/00 (2006.01); C08L 1/02 (2006.01); C08L 1/04 (2006.01); C08L 1/12 (2006.01); B01J 20/286 (2006.01); B01J 20/32 (2006.01); B01J 20/28 (2006.01); C08J 3/16 (2006.01); B01J 20/26 (2006.01); B01J 20/285 (2006.01); B01J 20/30 (2006.01); C07K 16/00 (2006.01); C08J 9/00 (2006.01);
U.S. Cl.
CPC ...
C07K 1/22 (2013.01); B01D 15/3809 (2013.01); B01J 20/24 (2013.01); B01J 20/267 (2013.01); B01J 20/28004 (2013.01); B01J 20/285 (2013.01); B01J 20/286 (2013.01); B01J 20/28016 (2013.01); B01J 20/3071 (2013.01); B01J 20/3085 (2013.01); B01J 20/3212 (2013.01); B01J 20/3219 (2013.01); B01J 20/3274 (2013.01); B01J 20/3293 (2013.01); C07K 16/00 (2013.01); C08B 1/08 (2013.01); C08B 3/06 (2013.01); C08B 15/005 (2013.01); C08B 15/08 (2013.01); C08B 15/10 (2013.01); C08B 16/00 (2013.01); C08J 3/16 (2013.01); C08J 9/00 (2013.01); C08L 1/02 (2013.01); C08L 1/04 (2013.01); C08L 1/12 (2013.01); B01J 2220/52 (2013.01); C08J 2301/02 (2013.01); C08J 2301/04 (2013.01); C08J 2301/12 (2013.01); C08L 2205/18 (2013.01);
Abstract

A process for producing porous cellulose beads of the present invention is characterized by comprising the steps of: A carrier for ligand immobilization of the present invention is characterized by being by shrinking polysaccharide porous beads not less than 10% by a shrinkage rate defined by the following formula, and crosslinking the polysaccharide porous beads:Shrinkage rate (%)=(1−)×100(wherein, Vindicates the gel volume of polysaccharide porous beads before shrinkage, and Vindicates the gel volume of polysaccharide porous beads after shrinkage).

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