Kaneka Corporation

Takahiro Okubo

Yoshikazu Kawai

Yasuyoshi Ueda

Koichi Kinoshita

Tatsuya Honda

Masaru Hirano

Fuminori Konoike

Keiichi Karasugi

Kento Kanaya

Fumihiko Kano

Ken-ichiro Morio

Fumihiko Kanou

A carrier for ligand immobilization obtained 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&#x2212;V/V)&#xd7;100 (wherein, Vindicates the gel volume of polysaccharide porous beads before shrinkage, and Vindicates the gel volume of polysaccharide porous beads after shrinkage).

Carrier for ligand immobilization

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&#x2212;)&#xd7;100(wherein, Vindicates the gel volume of polysaccharide porous beads before shrinkage, and Vindicates the gel volume of polysaccharide porous beads after shrinkage).

Process for producing porous cellulose beads using alkali aqueous solution

The objective of the present invention is to provide to a method for easily producing high-performance porous cellulose beads having high mechanical strength. Also, the objective of the present invention is to provide an adsorbent produced from the high-performance porous cellulose beads. According to the present invention, high-performance porous cellulose beads can be easily produced from porous cellulose beads, and an adsorbent having high strength and high adsorption amount can be easily produced from the high-performance porous cellulose beads.

Production method for porous cellulose beads, and adsorbent employing same

A process for producing captopril of the following formula (1) comprising subjecting a substrate compound of the following general formula (2) to a hydrolysis reaction in aqueous medium to remove the RCO group and isolating the product compound, said hydrolysis reaction in aqueous medium being conducted in the presence of a strong acid at pH not over 1 and a reaction temperature not below 40&deg; C.

Simple process for producing high quality captopril

Process for producing

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Takasago, Japan

Takahiro Okubo