IP Library Granted Patent US 7,594,904
Granted Patent B2
US 7,594,904 · App. 10/943,175 · Granted Sep 29, 2009

Drapeable sanitary absorbent napkin

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,594,904
App. No.
10/943,175
Granted
Sep 29, 2009
Kind
B2
Abstract

An absorbent article including a cover layer, a barrier layer and an absorbent system arranged between the cover layer and the barrier layer, the absorbent article being drapeable and possessing the absorbency attributes required of a sanitary napkin.

Claims (58)

1. An absorbent article comprising:

a cover layer;

a barrier layer;

an absorbent system arranged between said cover layer and said baffler layer;

wherein said absorbent article has a total thickness of less than 2.5 mm; and

wherein at least a portion of said absorbent article satisfies one of the two following equations:

AC>18.12−12.11 1n(BW/MCB), where BW/MCB is <3.45; and

AC>3.0, where BW/MCB is ≧3.45.

2. The absorbent article according to claim 1 , wherein said absorbent article has a thickness of less than 2.0 mm.

3. The absorbent article according to claim 1 , wherein said absorbent article has a thickness of less than 1.5 mm.

4. The absorbent article according claim 1 , wherein said absorbent system includes superabsorbent material.

5. The absorbent article according to claim 4 , wherein said absorbent system comprises a material including a mixture of cellulosic fibers and superabsorbent material.

6. The absorbent article according to claim 5 , wherein said material contains from about 90% to about 40% cellulosic fibers and about 10% to about 40% SAP.

7. The absorbent article according to claim 6 , wherein said absorbent material is embossed to have at least a first region and a second region.

8. The absorbent article according to claim 7 , wherein said first region has a density greater than said second region.

9. The absorbent article according to claim 8 , wherein said first region covers about 20% to about 60% of said of the surface area of the material and wherein said second region comprises between about 40% and about 80% of said material.

10. The absorbent article according to claim 9 , wherein said first region has a density greater than 0.3 g/cc and said second region has a density in the range from about 0.07 to about 0.25 g/cc.

11. The absorbent article according to claim 10 , wherein said material has a basis weight of about 50 to about 600 gsm.

12. The absorbent article according to claim 1 , wherein said absorbent system is a material manufactured by an air-laying process.

13. The absorbent article according to claim 12 , wherein said material comprises cellulosic fibers, binder material and nonbonding materials.

14. The absorbent article according to claim 13 , wherein said material includes less than 50% cellulosic fibers, less than 20% binder material and greater than 30% non-bonding materials.

15. The absorbent article according to claim 14 , wherein said material has a basis weight of about 50 gsm to about 600 gsm.

16. The absorbent article according to claim 1 , wherein said absorbent system is substantially entirely SAP.

17. The absorbent article according to claim 16 , wherein said SAP is present in an amount of at least 50 gsm.

18. The absorbent article according to claim 16 , wherein said SAP is present in an amount of between about 100 gsm and about 150 gsm.

19. The absorbent article according to claim 16 , wherein said SAP has an absorbent capacity of at least 20 g/g after 1 minute.

20. The absorbent article according to claim 16 , wherein said SAP has a total capacity of at least 40 g/g.

21. The absorbent article according to claim 16 , wherein said SAP is secured to an internal surface of said barrier.

22. The absorbent article according to claim 21 , wherein said SAP is secured to said internal surface of said barrier by adhesive.

23. The absorbent article according to claim 16 , wherein said SAP has a gel blocking ratio of at least 0.50.

24. The absorbent article according to claim 1 , wherein the cover is a spunlace material including from about 10 to about 65 wt % rayon and from about 35 to about 90 wt % polyester.

25. The absorbent article according to claim 1 , wherein at least a portion of said absorbent article has a BW/MCB ratio of at least 2.5.

26. The absorbent article according to claim 25 , wherein said article has an AI of at least 1.71.

27. The absorbent article according to claim 1 , wherein at least a portion of said absorbent article has a BW/MCB ratio of at least 10.0.

28. The absorbent article according to claim 27 , wherein said article has an AI of at least 1.74.

29. The absorbent article according to claim 1 , wherein at least a portion of said absorbent article has a BW/MCB ratio of at least 20.0.

30. The absorbent article according to claim 29 , wherein said article has an AI of at least 1.5.

31. The absorbent article according to claim 29 , wherein said article has an AI of at least 1.78.

32. The absorbent article according to claim 1 , wherein said absorbent article is a sanitary napkin.

33. The absorbent article according to claim 1 , wherein said absorbent article is a pantiliner.

34. The absorbent article according to claim 1 , wherein said absorbent article is an incontinence device.

35. The absorbent article according to claim 1 , wherein at least a portion of said absorbent article has a BW/MCB ratio of at least 2.5.

36. An absorbent article comprising:

a body facing surface;

a garment facing surface;

wherein said absorbent article has a total thickness of less than 2.5 mm; and

wherein at least a portion of said absorbent article satisfies one of the two following equations:

AC>18.12−12.11 1 n (BW/MCB), where BW/MCB is <3.45; and

AC>3.0, where BW/MCB is ≧3.45.

37. An absorbent article comprising:

a cover layer;

a barrier layer;

an absorbent system arranged between said cover layer and said baffler layer;

wherein said absorbent article has a total thickness of less than 2.5 mm; and

wherein at least a portion of said absorbent article satisfies one of the two following equations:

AC>18.12−12.11 1 n (BW/MCB), where BW/MCB is <3.45;

AC>3.0, where BW/MCB is ≧3.45;

and wherein said absorbent system consists of a layer of superabsorbent material arranged between said cover layer and said barrier layer, said layer of superabsorbent material having a basis weight between 100 gsm and 150 gsm.

Assignments (8)
PARTIAL RELEASE (REEL 052341 / FRAME 0735) Recorded Feb 2, 2026
From: BANK OF AMERICA, N.A.
To: EDGEWELL PERSONAL CARE BRANDS, LLC
Reel/Frame 074753/0581 →
SECURITY AGREEMENT Recorded Apr 8, 2020
From: EDGEWELL PERSONAL CARE BRANDS, LLC
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 052341/0735 →
CHANGE OF NAME Recorded Jul 9, 2019
From: EVEREADY BATTERY COMPANY, LLC
To: EDGEWELL PERSONAL CARE BRANDS, LLC
Reel/Frame 049706/0324 →
CHANGE OF NAME Recorded Jul 9, 2019
From: EVEREADY BATTERY COMPANY, INC
To: EVEREADY BATTERY COMPANY, LLC
Reel/Frame 049706/0314 →
CHANGE OF NAME Recorded Mar 18, 2019
From: EVEREADY BATTERY COMAPNY, INC
To: EVEREADY BATTERY COMPANY, LLC
Reel/Frame 050129/0486 →
CHANGE OF NAME Recorded Mar 18, 2019
From: EVEREADY BATTERY COMPANY, LLC
To: EDGEWELL PERSONAL CARE BRANDS, LLC
Reel/Frame 048625/0250 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 17, 2014
From: MCNEIL-PPC, INC; JOHNSON & JOHNSON GMBH; JOHNSON & JOHNSON CONSUMER COMPANIES, INC; JOHNSON & JOHNSON INDUSTRIAL LTDA; JOHNSON & JOHNSON DO BRASIL INDUSTRIA E COMERCIO DE PRODUCTS PARA SUADE LTDA
To: EVEREADY BATTERY COMPANY, INC
Reel/Frame 032269/0125 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 5, 2005
From: ROSENFELD, LEONARD G.; WYSOCKI, THERESA; YANG, MORRIS; NIKITINA, MARINA; POCCIA, JOHN
To: MCNEIL-PPC, INC.
Reel/Frame 016128/0192 →