Acrylic enteric coating compositions

Acrylic enteric coating compositions

A non-toxic, edible, enteric film coating, dry powder composition for use in making an aqueous enteric suspension which may be used in coating pharmaceutical tablets comprises: a) an acrylic resin, said resin comprising i) from 20 to 85 percent by weight of at least one alkyl acrylate or alkyl metha...

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Hauptverfasser: RAMIREDDY CHITTAMURU, HANS-ULRICH PETEREIT, KLAUS LEHMANN, GEORGE REYES, FARRELL, THOMAS, P, MEHRA, DEV, K, VESEY, CHARLES, F
Format: Patent
Sprache:eng
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HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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creator RAMIREDDY CHITTAMURU
HANS-ULRICH PETEREIT
KLAUS LEHMANN
GEORGE REYES
FARRELL, THOMAS, P
MEHRA, DEV, K
VESEY, CHARLES, F
description A non-toxic, edible, enteric film coating, dry powder composition for use in making an aqueous enteric suspension which may be used in coating pharmaceutical tablets comprises: a) an acrylic resin, said resin comprising i) from 20 to 85 percent by weight of at least one alkyl acrylate or alkyl methacrylate moiety, ii) from 80 to 15 percent by weight of at least one vinyl or vinylidene moiety having a carboxylic acid group capable of salt formation, and iii) from 0 to 30 percent by weight of at least one other vinyl or vinylidene moiety copolymerizable with i) and ii), b) an alkalizing agent capable of reacting with the acrylic resin such that, after reaction, 0.1 to 10 mole percent of the acidic groups in 1a-ii) are present in the salt form, and c) detackifier.
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subjects HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
title Acrylic enteric coating compositions
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