Claims
- 1. A toilet training article comprising:
a three-dimensional toilet training undergarment having an inner surface; a pad comprising a pliable substrate and an effervescent agent encapsulated in a shell material, the shell material being capable of releasing the effervescent agent when wetted with urine, the effervescent agent comprising a matrix structure comprising a sugar compound and having cells distributed therein which contain a gas under pressure, the effervescent agent being disposed on the substrate in such a manner such that when the pad is wetted with urine, the gas is released from the effervescent agent to alert the wearer of urination, the substrate having a body side face and an outside face; an attachment means for releasably attaching the pad to the inner surface of the toilet training undergarment disposed on the outside face of the substrate such that the body side face of the substrate faces the skin of a wearer wearing the undergarment.
- 2. The toilet training article as set forth in claim 1 wherein the sugar compound is selected from the group consisting of mono-saccharides, di-saccharides, and polysaccharides.
- 3. The toilet training article as set forth in claim 1 wherein the sugar compound is selected from the group consisting of glucose, fructose, lactose, maltose, sucrose, dextrins, and cyclodextrins.
- 4. The toilet training article as set forth in claim 1 wherein the gas under pressure is selected from the group consisting of carbon dioxide, nitrogen, argon, air, and helium.
- 5. The toilet training article as set forth in claim 1 wherein the average diameter of the cells is from about 5 micrometers to about 100 micrometers.
- 6. The toilet training article as set forth in claim 1 wherein the pressure of the gas in the cells is from about 50 psig to about 900 psig.
- 7. The toilet training article as set forth in claim 1 wherein from about 0.1 grams to about 15 grams of effervescent agent is disposed on the substrate.
- 8. The toilet training article as set forth in claim 1 wherein the shell material comprises a material selected from the group consisting of ethyl cellulose, starches, sugars, dextrins, and cyclodextrins.
- 9. The toilet training article as set forth in claim 1 wherein the shell material is urine-dispersible.
- 10. The toilet training article as set forth in claim 1 wherein the shell material is urine-swellable.
- 11. The toilet training article as set forth in claim 1 wherein the shell material is urine-permeable.
- 12. The toilet training article as set forth in claim 1 wherein the shell material disintegrates when wetted with urine.
- 13. The toilet training article as set forth in claim 1 wherein the mixture is disposed on the outside face of the substrate.
- 14. The toilet training article as set forth in claim 1 wherein the substrate is of layered construction and comprises a liner and an absorbent core layer, the liner facing the skin of the wearer when the article is worn, and the mixture of the effervescent agent and adhesive being disposed beneath the liner.
- 15. The toilet training article as set forth in claim 1 wherein the effervescent agent is disposed on the absorbent core.
- 16. The toilet training article as set forth in claim 1 wherein the substrate further comprises a superabsorbent layer and the effervescent agent is disposed within the superabsorbent layer.
- 17. A toilet training article comprising:
a three-dimensional toilet training undergarment having an inner surface; a pad comprising a pliable substrate and an effervescent agent encapsulated in a shell material, the shell material being capable of releasing the effervescent agent when wetted with urine, the effervescent agent comprising a matrix structure comprising a salt compound and having cells distributed therein which contain a gas under pressure, the effervescent agent being disposed on the substrate in such a manner such that when the pad is wetted with urine, the gas is released from the effervescent agent to alert the wearer of urination, the substrate having a body side face and an outside face; an attachment means for releasably attaching the pad to the inner surface of the toilet training undergarment disposed on the outside face of the substrate such that the body side face of the substrate faces the skin of a wearer wearing the undergarment.
- 18. The toilet training article as set forth in claim 17 wherein the salt compound is selected from the group consisting of sodium chloride, potassium chloride, potassium bromide, lithium chloride, and cesium chloride.
- 19. The toilet training article as set forth in claim 17 wherein the gas under pressure is selected from the group consisting of carbon dioxide, nitrogen, argon, air, and helium.
- 20. The toilet training article as set forth in claim 17 wherein from about 0.1 grams to about 15 grams of effervescent agent is disposed on the substrate.
- 21. The toilet training article as set forth in claim 17 wherein the shell material comprises a material selected from the group consisting of ethyl cellulose, starches, sugars, dextrins, and cyclodextrins.
- 22. The toilet training article as set forth in claim 17 wherein the shell material is urine-dispersible.
- 23. The toilet training article as set forth in claim 17 wherein the shell material is urine-swellable.
- 24. The toilet training article as set forth in claim 17 wherein the shell material is urine-permeable.
- 25. The toilet training article as set forth in claim 17 wherein the shell material disintegrates when wetted with urine.
- 26. The toilet training article as set forth in claim 17 wherein the effervescent agent is disposed on the outside face of the substrate.
- 27. The toilet training article as set forth in claim 17 wherein the substrate is of layered construction and comprises a liner and an absorbent core layer, the liner facing the skin of the wearer when the article is worn, and the mixture of the effervescent agent and adhesive being disposed beneath the liner.
- 28. The toilet training article as set forth in claim 17 wherein the mixture of the effervescent agent and adhesive is sprayed onto an outside face of the liner.
- 29. The toilet training article as set forth in claim 17 wherein the mixture of the effervescent agent and adhesive is sprayed onto the absorbent core layer.
- 30. The toilet training article as set forth in claim 17 wherein the substrate further comprises a superabsorbent layer and the effervescent agent is disposed within the superabsorbent layer.
- 31. A toilet training article comprising:
a three-dimensional toilet training undergarment having an inner surface; a pad comprising a pliable substrate and an effervescent agent disposed on the substrate, the effervescent agent comprising a mixture of an acid compound and a base compound that, upon being contacted with urine, react and produce a gas, the substrate having a body side face and an outside face; an attachment means for releasably attaching the pad to the inner surface of the toilet training undergarment disposed on the outside face of the substrate such that the body side face of the substrate faces the skin of a wearer wearing the undergarment.
- 32. A method for making a wearer aware of having voided urine, the method comprising placing an article next to the skin of the wearer, the article in the form of a pad comprising a pliable substrate and an effervescent agent which is disposed in contact with the substrate, the substrate having a body side face and an outside face, the body side face facing the skin of the wearer when the article is worn, the effervescent agent comprising a mixture of an acid compound and a base compound that, upon being contacted with urine, react and produce a gas.
- 33. A method for making a wearer aware of having voided urine, the method comprising placing an article next to the skin of the wearer, the article in the form of a pad comprising a pliable substrate and an effervescent agent encapsulated in a shell material, the shell material being capable of releasing the effervescent agent when wetted with urine, the substrate having a body side face and an outside face, the body side face facing the skin of the wearer when the article is worn, the effervescent agent comprising a matrix structure comprising a sugar compound and having cells distributed therein which contain a gas under pressure, the effervescent agent being disposed in contact with the substrate in a manner such that when the pad is wetted with urine voided by the wearer, the gas is released from the effervescent agent.
- 34. The method as set forth in claim 33 wherein the sugar compound is selected from the group consisting of mono-saccharides, di-saccharides, and polysaccharides.
- 35. The method as set forth in claim 33 wherein the sugar compound is selected from the group consisting of glucose, fructose, lactose, maltose, sucrose, dextrins, and cyclodextrins.
- 36. The method as set forth in claim 33 wherein the gas under pressure is selected from the group consisting of carbon dioxide, nitrogen, argon, air, and helium.
- 37. The method as set forth in claim 33 wherein the average diameter of the cells is from about 5 micrometers to about 100 micrometers.
- 38. The method as set forth in claim 33 wherein the pressure of the gas in the cells is from about 50 psig to about 900 psig.
- 39. The method as set forth in claim 33 wherein from about 0.1 grams to about 15 grams of effervescent agent is disposed on the substrate.
- 40. The method as set forth in claim 33 wherein the shell material comprises a material selected from the group consisting of ethyl cellulose, starches, sugars, dextrins, and cyclodextrins.
- 41. The method as set forth in claim 33 wherein the shell material is urine-dispersible.
- 42. The method as set forth in claim 33 wherein the shell material is urine-swellable.
- 43. The method as set forth in claim 33 wherein the shell material is urine-permeable.
- 44. The method as set forth in claim 33 wherein the shell material disintegrates when wetted with urine.
- 45. The method as set forth in claim 33 wherein the mixture is disposed on the outside face of the substrate.
- 46. The method as set forth in claim 33 wherein the substrate is of layered construction and comprises a liner and an absorbent core layer, the liner facing the skin of the wearer when the article is worn, and the mixture of the effervescent agent and adhesive being disposed beneath the liner.
- 47. The method as set forth in claim 33 wherein the effervescent agent is disposed on the absorbent core.
- 48. The method as set forth in claim 33 wherein the substrate further comprises a superabsorbent layer and the effervescent agent is disposed within the superabsorbent layer.
- 49. A method for making a wearer aware of having voided urine, the method comprising placing an article next to the skin of the wearer, the article in the form of a pad comprising a pliable substrate and an effervescent agent encapsulated in a shell material, the shell material being capable of releasing the effervescent agent when wetted with urine, the substrate having a body side face and an outside face, the body side face facing the skin of the wearer when the article is worn, the effervescent agent comprising a matrix structure comprising a salt compound and having cells distributed therein which contain a gas under pressure, the effervescent agent being disposed in contact with the substrate in a manner such that when the pad is wetted with urine voided by the wearer, the gas is released from the effervescent agent.
- 50. The method as set forth in claim 49 wherein the salt compound is selected from the group consisting of sodium chloride, potassium chloride, potassium bromide, lithium chloride, and cesium chloride.
- 51. The method as set forth in claim 49 wherein the gas under pressure is selected from the group consisting of carbon dioxide, nitrogen, argon, air, and helium.
- 52. The method as set forth in claim 49 wherein from about 0.1 grams to about 15 grams of effervescent agent is disposed on the substrate.
- 53. The method as set forth in claim 49 wherein the shell material comprises a material selected from the group consisting of ethyl cellulose, starches, sugars, dextrins, and cyclodextrins.
- 54. The method as set forth in claim 49 wherein the shell material is urine-dispersible.
- 55. The method as set forth in claim 49 wherein the shell material is urine-swellable.
- 56. The method as set forth in claim 49 wherein the shell material is urine-permeable.
- 57. The method as set forth in claim 49 wherein the shell material disintegrates when wetted with urine.
- 58. The method as set forth in claim 49 wherein the effervescent agent is disposed on the outside face of the substrate.
- 59. The method as set forth in claim 49 wherein the substrate is of layered construction and comprises a liner and an absorbent core layer, the liner facing the skin of the wearer when the article is worn, and the mixture of the effervescent agent and adhesive being disposed beneath the liner.
- 60. The method as set forth in claim 49 wherein the mixture of the effervescent agent and adhesive is sprayed onto an outside face of the liner.
- 61. The method as set forth in claim 49 wherein the mixture of the effervescent agent and adhesive is sprayed onto the absorbent core layer.
- 62. The method as set forth in claim 49 wherein the substrate further comprises a superabsorbent layer and the effervescent agent is disposed within the superabsorbent layer.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application is a divisional patent application of patent application Ser. No. 09/696,747 filed on Oct. 25, 2000.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09696747 |
Oct 2000 |
US |
Child |
10383125 |
Mar 2003 |
US |