Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-08-19
1989-11-07
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
530351, 530396, 536 20, 210656, 210927, C08F28300, B01J 104, C08B 3708
Patent
active
048793400
ABSTRACT:
Disclosed is an adsorbent composed of porous beads of uncrosslinked or crosslinked chitosan, wherein protein A or lectin is covalent-bonded trough a bonding group to the amino group of glucosamine constituting the chitosan in the case of uncrosslinked chitosan or to the amino group of glucosamine constituting the chitosan and an amino group of a crosslinking agent in the case of crosslinked chitosan. The adsorbent composed of the chitosan porous beads to which protein A is bonded through a bonding group is used for absorption removal of interleukin 2 inhibitor. The adsorbent composed of the chitosan porous beads to which lectin is bonded through a combination group is used as an adsorbent for affinity chromatography.
An adsorbent composed of porous beads of uncrosslinked or crosslinked chitosan is used for adsorbing immunoglobulin. An adsorbent composed of uncrosslinked or crosslinked chitosan wherein an .omega.-carboxylalkanoyl group and an acyl group have been introduced is used as a carrier for chromatography.
REFERENCES:
patent: 4409330 (1983-10-01), Pollard, Jr.
Abe Michio
Iwata Yasuo
Moriguchi Soyao
Satoh Motoaki
Suzuki Hiroshi
Kawasumi Kagaku Kougiyou Kabushiki Kaisha
Kight John
Nutter Nathan M.
Showa Denko Kabushiki Kaisha
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