Surfactant-free, water-free formable composition and breakable foams and their uses
First Claim
Patent Images
1. A waterless foamable composition free of surfactant and polymeric agent comprising:
- a carrier comprising;
a) about 50% to about 90% by weight of the carrier of a liquid oil and about 10% to about 50% by weight of the carrier of a paraffin wax that has a melting point between about 47°
C. and about 64°
C., wherein the total weight of the liquid oil and paraffin wax together is between about 85% and about 100% by weight of the carrier;
orb) about 40% by weight of the carrier of a liquid oil and about 60% by weight of the carrier of a paraffin wax that has a melting point between about 42°
C. and about 44°
C.; and
a liquefied or compressed gas propellant; and
a tetracycline antibiotic;
wherein the ratio of the carrier to the propellant is from about 100;
4 to about 100;
25;
wherein the composition comprises less than 5% foam adjuvant; and
wherein upon dispensing the foamable composition from a container, the composition forms a breakable foam that is stable, yet breaks easily upon application of shear force.
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Accused Products
Abstract
A substantially surface active agent-free and foam adjuvant-free composition which includes a hydrophobic solvent, a wax and a propellant. A substantially surface active agent-free and foam adjuvant-free composition, further comprising, a tetracycline antibiotic, or one or More other active agents. A method of treatment, using a substantially surface active agent-free and substantially foam adjuvant-free composition.
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Citations
48 Claims
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1. A waterless foamable composition free of surfactant and polymeric agent comprising:
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a carrier comprising; a) about 50% to about 90% by weight of the carrier of a liquid oil and about 10% to about 50% by weight of the carrier of a paraffin wax that has a melting point between about 47°
C. and about 64°
C., wherein the total weight of the liquid oil and paraffin wax together is between about 85% and about 100% by weight of the carrier;
orb) about 40% by weight of the carrier of a liquid oil and about 60% by weight of the carrier of a paraffin wax that has a melting point between about 42°
C. and about 44°
C.; anda liquefied or compressed gas propellant; and a tetracycline antibiotic; wherein the ratio of the carrier to the propellant is from about 100;
4 to about 100;
25;wherein the composition comprises less than 5% foam adjuvant; and wherein upon dispensing the foamable composition from a container, the composition forms a breakable foam that is stable, yet breaks easily upon application of shear force. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 25, 26, 27, 28, 33, 43)
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19. A waterless foamable composition free of surfactant and polymeric agent comprising:
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a carrier comprising; a) about 50% to about 90% by weight of the carrier of a liquid oil and about 10% to about 50% by weight of the carrier of a paraffin wax selected from the group consisting of a paraffin wax 58-62°
C., a paraffin wax 51-53°
C., and a mixture thereof, wherein the total weight of the liquid oil and wax together is between about 85% and about 100% by weight of the carrier;
orb) about 40% by weight of the carrier of a liquid oil and about 60% by weight of the carrier of a paraffin wax 42-44°
C.; anda liquefied or compressed gas propellant, wherein the gas propellant has a vapor pressure of about 40 to about 90 psi; wherein the ratio of the carrier to the propellant is from about 100;
4 to about 100;
25;wherein the composition comprises less than 5% foam adjuvant; wherein the foamable composition is flowable; and wherein upon dispensing the foamable composition from a container, the composition forms a breakable foam that is stable, yet breaks easily upon application of shear force. - View Dependent Claims (20, 21, 22, 23, 29, 30, 34, 44)
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24. A waterless foamable composition free of surfactant and polymeric agent comprising:
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a carrier comprising; a) about 60% to about 85% by weight of the carrier of a liquid oil and about 15% to about 40% by weight of the carrier of a paraffin wax 58-62°
C., a paraffin wax 51-53°
C., and a mixture thereof, wherein the total weight of the liquid oil and wax together is between about 85% and about 100% by weight of the carrier;
orb) about 40% by weight of the carrier of a liquid oil and about 60% by weight of the carrier of a paraffin wax 42-44°
C.; anda liquefied or compressed gas propellant; wherein the ratio of the carrier to the propellant is from about 100;
4 to about 100;
25;wherein the composition comprises less than 5% foam adjuvant; and wherein upon dispensing the foamable composition from a container, the composition forms a breakable foam that is stable, yet breaks easily upon application of shear force. - View Dependent Claims (31, 32, 35, 45)
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36. A waterless foamable composition free of surfactant and polymeric agent comprising:
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a carrier comprising; a) about 50% to about 90% by weight of the carrier of a liquid oil and about 10% to about 50% by weight of the carrier of a paraffin wax that has a melting point between about 47°
C. and about 64°
C., wherein the total weight of the liquid oil and paraffin wax together is between about 85% and about 100% by weight of the carrier;
orb) about 40% by weight of the carrier of a liquid oil and about 60% by weight of the carrier of a paraffin wax that has a melting point between about 42°
C. and about 44°
C.; andc) an active agent; wherein the composition comprises less than 5% foam adjuvant; and wherein, when a liquefied propellant is added to the foamable composition in an aerosol in an amount effective to achieve an acceptable foam, the composition forms a breakable foam upon dispensing that is stable, yet breaks easily upon application of shear force. - View Dependent Claims (37, 38, 39, 40, 41, 42, 46, 47, 48)
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Specification