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US 5,369,131 AGranted
Oral, cutaneous and intravaginal pharmaceutical compositions in the form of foam
AssigneePoli Industria Chimica S.p.A.
InventorsStefano Poli, Germano Coppi, Cesare Busetti
Life of this patent
Estimating the term…
Abstract
A liquid pharmaceutical composition which can be administered as a foam by means of suitable supplying devices, without necessity of gas propeller, said composition consisting of: a) one or more natural or synthetic ionic or non ionic, acid, basic or neutral surfactants; b) a solvent or a solvent mixture; c) an active ingredient or a combination of active ingredients; d) optionally mucoadhesive or thermosetting polymers; e) optional adjuvants or excipients.
Claims10
A liquid pharmaceutical composition which is propellant free and mechanically foamable, comprising:
- (1) at least one water soluble surfactant;
- (2) at least one pharmaceutically active ingredients;
- (3) a water-containing solvent;
- and
- (4) at least one of;
- (a) a mucoadhesive polymer selected from the group consisting of an alginic acid and derivatives, jaluronic acid and derivatives, cellulose esters or ethers, carboxyvinyl polymers, acrylic copolymers, polyene copolymers, natural or synthetic gums, polyglycuronic acid, and
- (b) a thermosetting polymer selected from the group consisting of polyoxyethylene-polyoxypropylene copolymers.
4 more elements
Dependencies are inferred from the claim text.