Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Polymer from ethylenic monomers only
Patent
1982-06-30
1984-03-20
Rose, Shep K.
Drug, bio-affecting and body treating compositions
Solid synthetic organic polymer as designated organic active...
Polymer from ethylenic monomers only
424 19, A61K 922, A61K 924
Patent
active
044380917
ABSTRACT:
This invention relates to vehicles for the administration of bromhexine. More specifically, this invention relates to a composition for the delayed release of bromhexine which comprises (i) spheroid particles or tablets comprised of (a) bromhexine and/or acid addition salts thereof and (b) at least one pharmacologically acceptable acid or acidic substance, the total amount of acid substance from acid addition salts present and the acid or acidic substance being in a ratio of at least 2 mols to 1 mol of bromhexine, and (ii) a coating surrounding said spheroid particles or tablets, said coating being comprised of from about 50 to 100 percent by weight of acid-insoluble lacquers soluble in intestinal juices and from about 0 to 50 percent by weight of lacquers insoluble in gastric and intestinal juices and said coating being present in an amount of from about 2 to 30 percent by weight, based upon the weight of the spheroid particles or tablets.
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Spitael et al. Pharm. Ind. 39(S): 502-505(1977) "Factors Affecting The Dissolution Rate of Enteric Coatings".
Bauer Eckhart
Gruber Peter
Lechner Horst
Schmid Jochen
Dr. Karl Thomae GmbH
Rose Shep K.
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