Fmc Corporation

Avtex Fibers Inc.

Hugo Stange

Burton M Baum

John A Price

A class of anticholinergic drugs having the formula ##STR1## in which R.sup.1 is a carbocyclic or branched aliphatic group of 3 to 8 carbon atoms, R.sup.2 is a branched or linear aliphatic group containing 3 to 10 carbon atoms with 1 to 2 olefinic or acetylenic bonds and R.sup.3 is an alkyl or cyclic group of 4 to 12 carbon atoms containing a tertiary amino nitrogen, are described.

Anticholinergic drugs

Copolyester resins comprising the condensation polymerization product of (a) an aromatic dicarboxylic acid or its lower dialkyl ester (b) an aliphatic glycol and a minor amount of a substituted aromatic acid ester represented by the formula: ##STR1## where R is a lower alkyl radical having 1 to 4 carbon atoms and M is an alkali metal from the group consisting of sodium, potassium, and lithium.

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Princeton, NJ, United States of America

Hugo Stange