IP Library Patent Application 12526938
Patent Application
App. No. 12/526,938

COMPOSITE

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Quick Facts
Patent No.
US None
App. No.
12/526,938
Abstract

A composite structure including a substrate and a fluid in contact with the substrate, wherein the substrate comprises a non-woven, a foam, or combinations thereof and is characterized by having a basis weight of 15 to 500 grams per square meter.

Claims (67)

1 . A composite structure comprising:

a substrate; and

a fluid in contact with the substrate;

wherein the substrate comprises a polyurethane or polyolefin non-woven, a polyurethane or polyolefin foam, or combinations thereof and is characterized by having a basis weight of 15 to 500 grams per square meter;

wherein the composite structure has a flexural rigidity of less than 1000 mN·cm; and

wherein the composite structure has a Kawabata Evaluation System coefficient of friction within the range of 0.1 to 0.9 MIU.

2 . The composite structure of claim 1 , wherein the substrate further comprises a pulp.

3 . (canceled)

4 . (canceled)

5 . The composite structure of claim 1 , wherein the composite structure has a Rub Test fuzz level of 0.7 mg/cm 2 or less, a total hand per unit volume of less than 25 gf/cm 3 , a total hand per unit weight per unit area of less than 1 gf/g/m 2 , a Kawabata Evaluation System compression resilience of greater then 35%, and a Kawabata Evaluation System surface roughness in the machine direction and the cross direction of less than 3.5 microns.

6 . (canceled)

7 . (canceled)

8 . (canceled)

9 . (canceled)

10 . (canceled)

11 . The composite structure of claim 1 , wherein the foam has a density of 0.025 to 0.1 g/cc.

12 . (canceled)

13 . (canceled)

14 . (canceled)

15 . (canceled)

16 . The composite structure of claim 1 , wherein the fluid comprises at least one of a cleaning surfactant, an active agent, and an enhancing filler.

17 . A composite structure comprising:

at least one substrate layer;

at least one layer comprising an open-cell foam disposed on the substrate layer;

wherein the substrate comprises a polyurethane or polyolefin non-woven, a polyurethane or polyolefin foam, or combinations thereof and is characterized by having a basis weight of 15 to 500 grams per square meter;

wherein the composite structure has a flexural rigidity of less than 1000 mN·cm; and

wherein the composite structure has a Kawabata Evaluation System coefficient of friction within the range of 0.1 to 0.9 MIU.

18 . (canceled)

19 . The composite of claim 17 , wherein the substrate further comprises a pulp.

20 . (canceled)

21 . The composite structure of claim 17 , wherein the composite structure has a total hand per unit volume of less than 25 gf/cm 3 , a total hand per unit weight per unit area of less than 1 gf/g/m 2 , a Rub Test fuzz level of 0.7 mg/cm2 or less, and a Kawabata Evaluation System compression resilience of greater then 35%.

22 . (canceled)

23 . (canceled)

24 . The composite structure of claim 17 , wherein at least one of the at least one substrate layers and the at least one open-cell foam layers further comprise at least one of a cleaning surfactant, an active agent, and an enhancing filler.

25 . The composite structure of claim 17 , wherein the substrate layer comprises at least one of a soft non-woven, an elastic non-woven, a fabric, a porous film, and a coated non-woven.

26 . The composite structure of claim 17 , wherein the substrate layer comprises at least one of monocomponent fibers, bicomponent fibers, spunbond fibers.

27 . (canceled)

28 . (canceled)

29 . (canceled)

30 . (canceled)

31 . The composite structure of claim 17 , wherein the substrate layer has a basis weight in the range from 25 to 150 grams per square meter.

32 . The composite structure of claim 17 , wherein the substrate layer has a basis weight in the range from 25 to 60 grams per square meter, and a machine direction tensile strength of 10 N/5 cm at a basis weight of 20 grams per square meter.

33 . (canceled)

34 . (canceled)

35 . (canceled)

36 . (canceled)

37 . (canceled)

38 . (canceled)

39 . The composite structure of claim 17 , wherein the at least one open-cell foam layer has a density in the range from 0.025 to 0.5 g/cc.

40 . The composite structure of claim 17 , wherein the at least one open-cell foam layer comprises a polyurethane and has a density in the range from 0.05 to 0.3 g/cc.

41 . The composite structure of claim 17 , wherein the at least one open-cell foam layer comprises a polyolefin and has a density in the range from 0.03 to 0.07 g/cc.

42 . (canceled)

43 . (canceled)

44 . The composite structure of claim 17 , wherein the at least one foam layer has a thickness from about 0.5 mm to about 300 mm.

45 . The composite structure of claim 17 , wherein the at least one foam layer has a thickness from about 1 mm to about 6 mm

46 . The composite structure of claim 17 , wherein adhesion of the at least one foam layer to the first and second substrate layers is 0.1 lbf/in or greater.

47 . (canceled)

48 . A wet wipe comprising the composite structure of claim 17 .

49 . (canceled)

50 . (canceled)

51 . (canceled)

52 . (canceled)

53 . (canceled)

54 . (canceled)

55 . (canceled)

56 . (canceled)

57 . (canceled)

Assignments (8)
CHANGE OF NAME Recorded Jul 31, 2012
From: DOW GLOBAL TECHNOLOGIES INC.
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 028687/0415 →
CHANGE OF NAME Recorded Mar 21, 2011
From: DOW GLOBAL TECHNOLOGIES INC.
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 025990/0408 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 5, 2010
From: CLAASEN, GERT J.; KATZER-GALATIK, KARIN
To: DOW EUROPE GMBH
Reel/Frame 023907/0347 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 5, 2010
From: DOW EUROPE GMBH
To: THE DOW CHEMICAL COMPANY
Reel/Frame 023907/0377 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 5, 2010
From: ZHANG, XIAODONG
To: UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY LLC (FORMERLY UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION)
Reel/Frame 023907/0386 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 5, 2010
From: STOLLMAIER, FRIEDERIKE; THIEDE, VERENA M.T.
To: DOW DEUTSCHLAND GMBH & CO. OHG
Reel/Frame 023907/0429 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 5, 2010
From: DOW DEUTSCHLAND GMBH & CO. OHG
To: THE DOW CHEMICAL COMPANY
Reel/Frame 023907/0439 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 5, 2010
From: THE DOW CHEMICAL COMPANY; STOCKTON, LUTHER E.; MACHELSKI, SUSAN; STRAND, DEIDRE A.; FOWLER, HAROLD C.; KIM, YOUNG-SAN; UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY LLC (FORMERLY UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION)
To: DOW GLOBAL TECHNOLOGIES INC.
Reel/Frame 023907/0456 →