| http://www.w3.org/ns/prov#value | - A spermicidal composition compatible with human muscosal tissue contained in a pressure container and consisting essentially of about 85% to about of an emulsion concentrate and about 5% to about 15% of a liquified normally gaseous propellant, said emulsion concentrate itself consisting essentially of RC H O (CHgCHgO) CH CH OH where R is alkyl of 1-22 carbon atoms and n is an integer of from about
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