Water-soluble binder
AssigneeKao Soap Co., Ltd.
InventorsAkira Sakurai, Yoshimi Tsuchiya, Mikio Kanno
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Abstract
A unit dosage form comprising one or more active ingredients and a water-soluble binder in which the water-soluble binder comprises, as a main component, a product obtained by condensing a polyoxyethylene alkyl, alkylphenyl or alkenyl ether having the following formula (I): r-o--(ch.sub.2 ch.sub.2 o).sub.n H (I) wherein R is alkyl or alkenyl having 8 to 22 carbon atoms or alkylphenyl group having 8 to 22 carbon atoms in the alkyl group, and n is an integer of from 50 to 500, with 1-epoxyethyl-3,4-epoxycyclohexane having the following formula (II): ##STR1## the molar ratio of the compound of the formula (II) to the compound of the formula (I) being in the range of from 0.05 to 2.5.
Claims9
A solid unit dosage form comprising a mixture of one or more active ingredients and a water-soluble binder, said water-soluble binder being a reaction product obtained by condensing
- (A) a material having the formula
- R--O--CH.sub.2 CH.sub.2 O).sub.n H
- wherein R is alkyl having 8 to 22 carbon atoms, alkenyl having 8 to 22 carbon atoms or alkylphenyl in which the alkyl has 8 to 22 carbon atoms, and n is an integer of from 50 to 500
- with (B) 1-epoxyethyl-3,4-epoxycyclohexane, wherein the molar ratio of B/A is in the range of from 0.05/1.0 to 2.5/1.0.
Dependencies are inferred from the claim text.