Adsorbent for oral administration

Details Adsorbent for oral administration Adsorbent for oral administration

A - Human Necessities

61

K

A61K 33/44 (2006.01) A61K 9/00 (2006.01) A61K 9/14 (2006.01)

Patent

CA 2433368

An adsorbent for an oral administration, comprising a porous spherical carbonaceous substance wherein a diameter is 0.01 to 1 mm, a specific surface area determined by a BET method is 700 m2/g or more, a volume of pores having a pore diameter of 20 to 15000 nm is from not less than 0.04 mL/g to less than 0.10 mL/g, a total amount of acidic groups is 030 to 1.20 meq/g, and a total amount of basic groups is 0.20 to 1.00 meq/g, is disclosed.

La présente invention concerne un adsorbant pour administration orale, comprenant une substance carbonée sphérique et poreuse dont le diamètre est compris entre 0,01 et 1 mm, une surface particulière déterminée par une méthode BET est d'au moins 700 m2/mg ou plus, un volume de pores ayant un diamètre de pore compris entre 20 et 15 000 nm est compris entre au moins 0,04 mL5g et moins de 0,10 mL/g, une quantité totale de groupes acides étant compris entre 0,30 et 1,20 meq/g, et une quantité totale des groupes basiques étant compris entre 0,20 et 1,00 meq/g.

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