Disposable article with deactivatable adhesive

• US 6,572,600 B1
• Filed: 02/15/2000
• Issued: 06/03/2003
• Est. Priority Date: 02/15/2000
• Status: Expired due to Fees

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Schmidt, Mattias, Roe, Donald C., Kline, Mark J., Allen, Patrick J., King, Namy M.
• Primary Examiner(s): Lo, Weilun
• Assistant Examiner(s): PLUCINSKI, JAMISUE A
• Application Number:
  US09/504,765
• Time in Patent Office: 1,204 Days
• Field of Search: 604/364, 604/385.03, 604/385.28, 604/387, 604/389, 604/385.04
• US Class Current: 604/389
• CPC Class Codes: A61F 13/475 characterised by edge leakage prevention means
• CPC Class Codes: A61F 13/494 characterised by edge leakage prevention means
• CPC Class Codes: A61F 13/495 with faecal cavity
• CPC Class Codes: A61F 13/551 Packaging before or after use general packaging of absorbent pads B65D85/00
• CPC Class Codes: A61F 13/5605 specially adapted for sanitary napkins or the like
• CPC Class Codes: A61F 13/5633 open type diaper
• CPC Class Codes: A61F 13/82 with means for attaching to the body

Abstract

An absorbent article comprising a topsheet, a backsheet joined with at least a portion of the topsheet, an absorbent core disposed between at least a portion of the topsheet and the backsheet; and an adhesive capable of adhering of the absorbent article to the skin of the wearer during use or a portion of the absorbent article to itself during use. The adhesive is deactivatable by the wearer or caregiver to facilitate easy and comfortable removal of the product from the wearer.

Claims

1. An absorbent article having a first waist region, a second waist region and a crotch region located between the first waist region and the second waist region, the absorbent article comprising:

a topsheet,

a backsheet joined with at least a portion of the topsheet,

an absorbent core disposed between at least a portion of the topsheet and the backsheet,

a deactivatable adhesive disposed on at least a portion of the article, and

a cooling device to deactivate the deactivatible adhesive.

2. The absorbent article of claim 1 wherein the topsheet includes a primary aperture for receiving bodily waste.

3. The absorbent article of claim 1 wherein the deactivatable adhesive is disposed about at least a portion of the primary aperture.

4. The absorbent article of claim 1 wherein the deactivatable adhesive is disposed in the first waist region of the article.

5. The absorbent article of claim 1 wherein the deactivatible adhesive is disposed in the second waist region of the article.

6. The absorbent article of claim 1 wherein the deactivatable adhesive is disposed in the crotch region of the article.

7. The absorbent article of claim 1 further comprising at least one leg cuff extending through at least a portion of the crotch region, wherein the deactivatable adhesive is disposed on the leg cuff.

8. The absorbent article of claim 1 further having a body facing surface upon which the deactivatable adhesive is disposed.

9. The absorbent article of claim 1 further having an outer surface upon which the deactivatable adhesive is disposed.

10. The absorbent article of claim 1 wherein the deactivatable adhesive provides a means to hold the article in a configuration for disposal.

11. The absorbent article of claim 1 wherein the deactivatable adhesive disposed on the article is capable of being in contact with the skin of a wearer during at least some period of time during the article'"'"'s use.

12. The absorbent article of claim 1 further including an adhesive receiving zone positioned to engage the deactivatable adhesive when the article is in use.

13. The absorbent article of claim 12 wherein the deactivatable adhesive is disposed in the first waist region and the adhesive receiving zone is disposed in the second waist region.

14. The absorbent article of claim 1 further comprising a side panel, wherein the deactivatable adhesive is disposed on the side panel.

15. The absorbent article of claim 14 wherein the side panel is disposed in the first waist region or the second waist region.

16. The absorbent article of claim 1 further comprises a fastening system.

17. The absorbent article of claim 16 wherein the fastening system includes the deactivatable adhesive.

18. The absorbent article of claim 17 wherein the fastening system is configured to join the first waist region to the second waist region when the article is configured for use.

19. The absorbent article of claim 17 wherein the fastening system is configured so as to provide a disposal feature for the article.

20. The absorbent article of claim 1 wherein the deactivatable adhesive is selected from the following group:

a thermally deactivatable adhesive, and a thermally reversible adhesive.

21. The absorbent article of claim 1 wherein the deactivatable adhesive is a topical adhesive.

22. The absorbent article of claim 1 wherein the deactivatable adhesive has an pre-deactivation adhesion value and an post-deactivation adhesion value, the pre-deactivation adhesion level being greater than the post-deactivation adhesion value.

23. The absorbent article of claim 22 wherein the pre-deactivation adhesion value is three times the post-deactivation adhesion value.

24. The absorbent article of claim 22 wherein the pre-deactivation adhesion value is ten times the post-deactivation adhesion value.

25. The absorbent article of claim 22 wherein the post-deactivation adhesion value is between about 2 g/in and about 100 g/in.

26. The absorbent article of claim 22 wherein the post-deactivation adhesion value is between about 5 g/in and 50 g/in.

27. The absorbent article of claim 22 wherein the pre-deactivation adhesion value between about 25 g/in and 500 g/in.

28. The absorbent article of claim 1 wherein the deactivatable adhesive has a deactivation temperature of between about 25°

C. and about 60°

C.

29. The absorbent article of claim 1 wherein the deactivatable adhesive has a deactivation temperature of between about 28°

C. and about 45°

C.

30. The absorbent article of claim 1 additionally comprising a power source for said cooling device, wherein said power source is selected from the group consisting of battery or solar power.

31. The absorbent article of claim 1 wherein the cooling device generates a cooling effect by means of one or more of the following:

thermoelectric effects, volatile liquid evaporation, endothermic chemical reaction and endothermic solutions.

32. The absorbent article of claim 31 wherein the cooling device includes one or more of the following:

liquid, particles, gel, fibers and foam.

33. The absorbent article of claim 1 wherein the cooling device is removable from the article.

34. The absorbent article of claim 1 wherein the cooling device is reusable.

35. An absorbent article having a first waist region, a second waist region, a crotch region located between the first waist region and the second waist region and a body-contacting surface, the absorbent article comprising:

a topsheet,

a backsheet joined with at least a portion of the topsheet,

an absorbent core disposed between at least a portion of the topsheet and the backsheet,

a deactivatable adhesive disposed on at least a portion of the body-contacting surface of the article for adhering said surface of the absorbent article to the wearer during use

a cooling device to deactivate the deactivatible adhesive.

36. The absorbent article of claim 35 further including a primary aperture in the topsheet for receiving fecal waste.

37. The absorbent article of claim 36 wherein the deactivatable adhesive is disposed about at least a portion of the primary aperture.

38. The absorbent article of claim 36 wherein the primary aperture has an area between about 10 cm² and about 50 cm².

39. The absorbent article of claim 36 wherein the primary aperture has an area between about 15 cm² and about 35 cm².

40. The absorbent article of claim 35 additionally comprising a spacing member disposed between the topsheet and the backsheet, the spacing member providing a void space into which feces can be directed.

41. The absorbent article of claim 40 wherein the spacing member is resilient.

42. The absorbent article of claim 40 wherein the spacing member has a void space volume of between about 10 and about 150 cm³.

43. The absorbent article of claim 35 wherein the deactivatable adhesive is selected from the following group:

a thermally deactivatable adhesive, and a thermally reversible adhesive.

44. The absorbent article of claim 35 wherein the deactivatable adhesive is a topical adhesive.

45. The absorbent article of claim 35 wherein the deactivatable adhesive has an pre-deactivation adhesion value and an post-deactivation adhesion value, the pre-deactivation adhesion level being greater than the post-deactivation adhesion value.

46. The absorbent article of claim 45 wherein the pre-deactivation adhesion value is three times the post-deactivation adhesion value.

47. The absorbent article of claim 45 wherein the pre-deactivation adhesion value is ten times the post-deactivation adhesion value.

48. The absorbent article of claim 45 wherein the post-deactivation adhesion value is between about 2 g/in and about 100 g/in.

49. The absorbent article of claim 45 wherein the post-deactivation adhesion value is between about 5 g/in and 50 g/in.

50. The absorbent article of claim 45 wherein the pre-deactivation adhesion value between about 25 g/in and 500 g/in.

51. The absorbent article of claim 35 wherein the deactivatable adhesive has a deactivation temperature of between about 25°

C. and about 60°

C.

52. The absorbent article of claim 35 wherein the deactivatable adhesive has a deactivation temperature of between about 28°

C. and about 45°

C.

53. The absorbent article of claim 35 additionally comprising a power source for said cooling device, wherein said power source is selected from the group consisting of battery or solar power.

54. The absorbent article of claim 35 wherein the cooling device generates a cooling effect by means of one or more of the following:

thermoelectric effects, volatile liquid evaporation, endothermic chemical reaction and endothermic solutions.

55. The absorbent article of claim 54 wherein the cooling device includes one or more of the following:

liquid, particles, gel, fibers and foam.

56. The absorbent article of claim 35 wherein the cooling device is removable from the article.

57. The absorbent article of claim 35 wherein the cooling device is reusable.

58. A feminine hygiene article comprising:

a topsheet,

a backsheet,

an absorbent core disposed between the topsheet and the backsheet,

a deactivatable adhesive disposed on at least a portion of the article, and

a cooling device to deactivate the deactivatible adhesive.

59. The feminine hygiene article of claim 58 wherein the deactivatable adhesive is disposed on at least a portion of the topsheet or backsheet of the article.

60. The feminine hygiene article of claim 59 further including at least one wing extending laterally outwardly from the absorbent care, wherein the deactivatable adhesive is disposed on at least a portion of the wing.