Claims
- 1. A patch, comprising:
a breathable layer; a barrier layer; an effective amount of a volatile agent within a solid layer, the solid layer positioned between the breathable layer and the barrier layer, wherein the barrier layer is impermeable to the volatile agent; and a release liner removably adhered to the barrier layer.
- 2. A patch according to claim 1, wherein the solid layer is non-hydrophilic.
- 3. A patch according to claim 1, wherein the solid layer comprises a gelatin mixture.
- 4. A patch according to claim 1, wherein the solid layer comprises ozokerities wax.
- 5. A path according to claim 1, wherein the solid layer comprises sodium stearate.
- 6. A patch according to claim 1, wherein the volatile agent is released from the patch over a period of at least six hours.
- 7. A patch according to claim 1, wherein the volatile agent is an aromatherapy oil.
- 8. A patch according to claim 1, wherein the volatile agent is an insect repellant.
- 9. A patch according to claim 1, wherein the volatile agent is a deodorant.
- 10. A patch according to claim 1, wherein the volatile agent is a perfume.
- 11. A patch according to claim 1, wherein the volatile agent has a therapeutic effect of reducing sinus congestion.
- 12. A patch according to claim 1, wherein the volatile agent has a sedative effect.
- 13. A path according to claim 1, wherein the volatile agent has a mood altering effect.
- 14. A method of making a patch for release of volatile substances, comprising:
mixing a volatile substance with a liquid agent, wherein the agent forms a solid below 40° C. and is capable of forming a liquid above 45° C. and below 90° C.; applying the liquid mixture of step(a) onto a breathable layer and permitting the liquid to form a solid; preparing a barrier layer for adhesive attachment to the breathable layer and solid; laminating the barrier layer by adhesion to the solid and the breathable layer; and laminating a release liner by adhesion to the barrier layer.
- 15. A method according to claim 14, further comprising packaging the patch within a sealed pouch for removal therefrom prior to application of the patch to a surface of a subject.
- 16. A method according to claim 14, wherein the solid further comprises any of a gelatin, a wax or sodium stearate.
- 17. A method according to claim 14, wherein the volatile substance is selected from an aromatherapy oil, an insect repellant, a deodorant, a perfume or an agent with therapeutic activity.
- 18. A method according to claim 14, wherein the volatile substance has a therapeutic activity selected from reducing sinus congestion, having a sedative activity and having a mood altering activity.
- 19. A method of delivering a volatile substance to an environment from a surface location of a subject, comprising applying a patch of claim 1 adhesively to the surface location of the subject so as to deliver the volatile substance to the environment.
- 20. A method of delivering a volatile substance to an environment from a surface location of a subject, comprising applying a patch manufactured according to claim 14, adhesively to the surface location of the subject so as to deliver the volatile substance to the environment
- 21. A method according to claim 19 or 20, wherein the volatile substance is selected from an aromatherapy oil, an insect repellant, a deodorant, a perfume or an agent with therapeutic activity.
- 22. A method according to claim 19 or 20, wherein the volatile substance has a therapeutic activity selected from reducing sinus congestion, having a sedative activity and having a mood altering activity.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] The present invention gains priority from Provisional Application Serial No. 60/272,178 filed Feb. 28, 2001, the full disclosure of which hereby incorporated by reference herein.
Provisional Applications (1)
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Number |
Date |
Country |
|
60272178 |
Feb 2001 |
US |