A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 47/30 (2006.01) A61K 9/70 (2006.01) A61K 47/18 (2006.01) A61K 47/22 (2006.01)
Patent
CA 2284625
Pressure-sensitive adhesives for percutaneous plasters capable of containing crotamiton at a high concentration. These adhesives contain pyrothiodecane as a compatibilizer for crotamiton. In particular, they comprise 10 to 40 % by weight of (A-B)n-A type elastic block copolymers, 10 to 45 % by weight of liquid paraffin, 3 to 10 % by weight of crotamiton and 0.3 to 10 % by weight of pyrothiodecane as a compatibilizer for crotamiton. The percutaneous plasters contain these adhesives and drugs.
La présente invention concerne des adhésifs autocollants pour emplâtres percutanés pouvant contenir une crotamitone à concentration élevée. Ces adhésifs contiennent un pyrothiodécane comme un agent de compatibilisation pour la crotamitone. Ils comprennent, en particulier, 10 à 40 % en poids de copolymères blocs élastiques de type (A-B)¿n?-A, 10 à 45 % en poids de paraffine liquide, 3 à 10 % en poids de crotamitone et 0,3 à 10 % en poids de pyrothiodécane comme agent de compatibilisation pour la crotamitone. Les emplâtres percutanés contiennent lesdits adhésifs et des médicaments.
Higo Naruto
Hirano Munehiko
Shinmura Miyuki
Hisamitsu Pharmaceuticals Co. Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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