Long-acting theophylline in medicinal form
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United States of America Patent
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Apr 23, 1985
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N/A
app pub date -
May 3, 1983
filing date -
May 4, 1982
priority date (Note) -
Expired
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Abstract
Long-acting forms of theophylline for use in treating asthma comprise theophylline associated with a compound of the substituted cinnamamide type of the general formula ##STR1## wherein R is hydrogen, a hologen or an acetyl radical; R.sub.1 is hydrogen or the methyl radical; R.sub.2 is ##STR2## wherein R.sub.3 is hydrogen or the methyl radical; or R.sub.1 and R.sub.2 together with the adjacent nitrogen tom form the 2,2-dimethyl-3-oxazolidinyl group.
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