Sustainedly releasing agents for medicines and sustainedly...

A - Human Necessities – 61 – K

Patent

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Details

A61K 47/30 (2006.01) A61K 47/32 (2006.01) A61K 47/48 (2006.01)

Patent

CA 2309597

A release-sustaining agent for drugs, comprising a non-cross-linked anion- exchange resin represented by general formula (I) and a sustained-release pharmaceutical composition comprising the release-sustaining agent and a lipid lowering agent, wherein R1 represents aralkyl or alkyl; R2 and R3 represent each lower alkyl; R4 represents hydrogen or lower alkyl; X- represents a physiologically acceptable counter ion; n represents 1 to 3; and p represents an average degree of polymerization.

La présente invention concerne un agent à libération prolongée comprenant une résine échangeuse d'anions no réticulée représentée par la formule générale (I). La présente invention concerne également une composition pharmaceutique à libération prolongée comprenant un agent à libération prolongée et un agent d'abaissement de lipide. Dans cette formule R¿1? représente aralkyle ou alkyle; R¿2? et R¿3? représentent chacun alkyle inférieur; R¿4? représente hydrogène ou alkyle inférieur. X?-¿ représente un contre ion. n représente un nombre compris entre 1 et 3; et p représente un degré moyen de polymérisation.

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