Dip coated compositions containing copolymer of polyvinyl...

Details Dip coated compositions containing copolymer of polyvinyl... Dip coated compositions containing copolymer of polyvinyl...

A - Human Necessities

61

K

A61K 9/28 (2006.01)

Patent

CA 2697938

In one aspect, the present invention features a method of making a coated tablet, by dipping a core including an active agent into a coating liquid and drying the dipped core to form a outer- coating on said core, wherein the coating liquid includes (i) at least one copolymer of polyvinyl alcohol and polyethylene glycol, (ii) at least one gum, and (iii) a solvent for the at least one copolymer of polyvinyl alcohol and polyethylene glycol and the at least one gum and coated tablets manufactured by such method.

Dans un aspect, la présente invention concerne un procédé de production d'un comprimé enrobé, par trempage d'un noyau comprenant un agent actif dans un liquide d'enrobage et par séchage du noyau trempé pour former un enrobage extérieur sur ledit noyau, le liquide d'enrobage comprenant (i) au moins un copolymère d'alcool polyvinylique et de polyéthylène glycol, (ii) au moins une gomme, et (iii) un solvant pour au moins un copolymère d'alcool polyvinylique et de polyéthylène glycol et la ou les gommes, et des comprimés enrobés produits avec ce procédé.

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