US Patent No: 4,723,953

Number of patents in Portfolio can not be more than 2000

Absorbent pad

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Importance

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Abstract

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An absorbent pad is provided which includes an absorbent layer which serves as a reservoir for liquid and has a liquid impervious barrier over one surface thereof. The liquid is applied to the opposite surface of the barrier and is conducted by means of wicking material to the sides of the barrier and into the absorbent layer. This arrangement enhances drying of the upper surface of the barrier and wicking material shortly after application of the liquid. A hydrophobic porus of open weave material can be provided over the wicking material to protect it and to provide a surface through which the liquid can reach the wicking material and the barrier sheet. The barrier sheet can have multiple channels formed in the liquid receiving surface thereof to disperse the liquid toward the edges thereof.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ROCKY MOUNTAIN MEDICAL CORPORATIONGREENWOOD VILLAGE, CO3

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pratt, Darin D Montrose, CO 2 108
Rosenbaum, Richard J Littleton, CO 7 119

Cited Art Landscape

Patent Info (Count) # Cites Year
 
COLGATE-PALMOLIVE COMPANY (1)
4,443,512 Absorbent article with densified areas 63 1981
 
JOHNSON & JOHNSON CONSUMER PRODUCTS, INC. (1)
4,333,463 Absorbent structure containing superabsorbent 85 1980
 
P E A U D O U C E, A FRENCH SOCIETE ANONYME (1)
4,534,769 Diaper 31 1983
 
The Hartford Corporation (1)
4,360,015 Multilayer absorbent structure 49 1981

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
The Procter & Gamble Company (25)
5,342,338 Disposable absorbent article for low-viscosity fecal material 158 1993
5,330,459 Disposable absorbent article having an inflatable spacer 82 1993
5,500,270 Capillary laminate material 45 1994
5,582,604 Disposable absorbent article having a pump and an inflatable component 28 1994
5,520,674 Disposable absorbent article having a sealed expandable component 97 1994
H001575 Apertured hydrophilic polymer film topsheet with improved absorbency and comfort properties 0 1994
H001657 Absorbent article with fractionation member 1 1995
6,180,847 Disposable absorbent article with selectively expandable or inflatable components 17 1995
5,997,520 Disposable absorbent article with selectively expandable or inflatable components 76 1995
5,643,241 Disposable absorbent article having a pump and an inflatable component 31 1995
5,693,169 Method for making a capillary laminate material 0 1995
5,846,230 Absorbent article with means for directional fluid distribution 55 1997
5,941,864 Disposable absorbent article having improved fecal storage 90 1997
6,013,063 Viscous fluid bodily waste management article 63 1997
5,977,430 Absorbent article with macro-particulate storage structure 62 1997
5,957,906 Diaper with improved feces management properties 25 1997
6,703,537 Absorbent article having improved fecal storage structure 10 1998
6,156,020 Absorbent article with micro-particulate storage member 14 1998
6,010,491 Viscous fluid bodily waste management article 25 1999
7,772,455 Disposable article providing improved management of bodily exudates 4 1999
6,186,992 Viscous fluid bodily waste management article 25 1999
6,673,984 Absorbent article with macro-particulate storage member 0 2000
7,935,859 Article having improved fecal storage structure 0 2004
8,273,942 Disposable absorbent article having capacity to store low-viscosity fecal material 0 2009
8,569,568 Article having improved fecal storage structure 0 2011
 
KIMBERLY-CLARK WORLDWIDE, INC. (19)
6,060,638 Matched permeability liner/absorbent structure system for absorbent articles and the like 24 1996
5,879,343 Highly efficient surge material for absorbent articles 35 1996
5,843,063 Multifunctional absorbent material and products made therefrom 43 1996
5,820,973 Heterogeneous surge material for absorbent articles 114 1996
6,673,982 Absorbent article with center fill performance 27 1998
6,503,233 Absorbent article having good body fit under dynamic conditions 26 1998
5,994,615 Highly efficient surge material for absorbent article 25 1998
RE39919 Heterogeneous surge material for absorbent articles 0 1999
6,695,828 Method for enhancing fluid intake and distribution of an absorbent article 0 1999
6,610,038 Body-conforming bladder insert for an absorbent article with a body-fitting mechanism 2 1999
6,524,292 Three dimensional body-conforming bladder for an absorbent article 1 1999
6,428,522 Absorbent article with body-conforming bladder having peristaltic elements 3 1999
6,667,424 Absorbent articles with nits and free-flowing particles 25 2000
6,562,192 Absorbent articles with absorbent free-flowing particles and methods for producing the same 19 2000
6,695,827 Absorbent article having good body fit under dynamic conditions 25 2002
7,265,258 Absorbent articles with nits and free-flowing particles 6 2003
7,429,689 Absorbent article with center fill performance 4 2003
7,105,716 Absorbent articles 11 2003
7,416,627 Films and film laminates having cushioning cells and processes of making thereof 0 2005
 
S.C. JOHNSON HOME STORAGE, INC. (10)
D475856 Disposable sheet 41 2002
D475206 Disposable sheet 25 2002
7,078,088 Disposable cutting sheet 0 2003
7,063,879 Disposable cutting sheet 1 2003
7,056,569 Disposable cutting sheet 2 2003
7,026,034 Processing substrate and method of manufacturing same 2 2003
7,022,395 Disposable cutting sheet 4 2003
6,991,844 Disposable cutting sheet 1 2003
6,979,485 Processing substrate and/or support surface 0 2003
7,063,880 Sheet material and manufacturing method and apparatus therefor 1 2003
 
S.C. JOHNSON & SON, INC. (1)
6,986,931 Disposable cutting sheet 3 2002
 
SCA HYGIENE PRODUCTS AB (1)
6,835,192 Absorbent article with improved liquid dispersion 2 2002
 
UNI-CHARM CORPORATION (1)
6,575,948 Sanitary napkin 13 1999
 
Other [Check patent profile for assignment information] (3)
H1575 Apertured hydrophilic polymer film topsheet with improved absorbency and comfort properties 14 1994
H1657 Absorbent article with fractionation member 15 1995
6,090,994 Structure of a diaper 20 1998