US Patent No: RE39919

Number of patents in Portfolio can not be more than 2000

Heterogeneous surge material for absorbent articles

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provided a surge material for personal care products comprising a layered structure of at least one relatively high permeability layer on a top side toward a wearer and at least one relatively low permeability layer where the structure has a capillary tension range between about 1 and 5 cm with a differential capillary tension of at least about 1 cm from top to bottom. The surge material should have a high permeability layer with a permeability of at least 1000 Darcys and a low permeability layer with a permeability of less than 1000 Darcys. The surge material should also have a said high permeability layer which has a permeability of at least 250 Darcys greater than the low permeability layer. Such a layered structure should have a first insult run-off value of at most 30 ml from a 100 ml insult delivered at 20 ml/second. Such a surge material is useful in personal care products like diapers, training pants, absorbent underpants, adult incontinence products, feminine hygiene products and the like.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
KIMBERLY-CLARK WORLDWIDE, INC.NEENAH, WI3438

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dodge, II Richard Norris Appleton, WI 14 429
Ellis, Clifford Jackson Woodstock, GA 11 368
Hetzler, Connie Lynn Sparta, NJ 12 388
Kepner, Eric Scott Woodstock, GA 14 361
Krautkramer, Candace Dyan Neenah, WI 30 286
Little, Sylvia Bandy Marietta, GA 21 468
Sawyer, Lawrence Howell Neenah, WI 51 1090

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Minnesota Mining and Manufacturing Company (4)
4,650,479 Sorbent sheet product 60 1984
4,755,178 Sorbent sheet material 78 1986
5,277,976 Oriented profile fibers 241 1991
5,514,120 Liquid management member for absorbent articles 85 1993
 
Other [Check patent profile for assignment information] (1)
5,062,839 Disposable training panty with controlled wetness release 98 1990
 
Phillips Petroleum Company (1)
4,540,414 Method and apparatus for absorbing moisture 43 1983
 
Rocky Mountain Medical Corporation (1)
4,723,953 Absorbent pad 64 1986
 
Peaudouce (1)
5,843,064 Non woven material and hygienic absorbent article comprising such material 13 1997
 
TONEN CHEMICAL CORPORATION (1)
5,609,947 Laminated non-woven fabric filtering medium and method for producing same 36 1995
 
BBA NONWOVENS SIMPSONVILLE, INC. (2)
4,883,707 High loft nonwoven fabric 106 1988
5,108,827 Strong nonwoven fabrics from engineered multiconstituent fibers 241 1989
 
ALLIED-SIGNAL INC. (2)
5,069,970 Fibers and filters containing said fibers 240 1989
5,057,368 Filaments having trilobal or quadrilobal cross-sections 341 1989
 
Johnson & Johnson Inc. (3)
5,242,435 Highly absorbent and flexible cellulosic pulp fluff sheet 60 1991
5,366,451 Disposable absorbent product 40 1991
5,665,082 Highly absorbent transfer layer structure 16 1995
 
MOLNLYCKE AB (2)
5,043,206 Absorption body intended for disposable articles such as diapers, sanitary napkins and the like 20 1986
5,423,787 Sanitary napkin or incontinence guard 22 1992
 
FIBERVISIONS, L.P. (4)
5,330,457 Enhanced core utilization in absorbent products 26 1992
5,334,177 Enhanced core utilization in absorbent products 42 1992
5,257,982 Fluid absorbing article utilizing a flow control cover sheet 69 1992
5,531,727 Fluid absorbing article utilizing a flow control cover sheet 13 1994
 
SCA MOLNLYCKE AB (1)
5,556,392 Composite nonwoven material and application to any absorbent article of hygiene 35 1995
 
FiberTech Group, Inc. (2)
5,728,081 Absorbent composite article having fluid acquisition sub-layer 29 1996
5,752,945 Absorbent article with liquid transfer layer 27 1997
 
SCA INCONTINENCE CARE NORTH AMERICA, INC. (4)
4,578,070 Absorbent structure containing corrugated web layers 106 1983
4,685,914 Disposable urinary pad 93 1985
* 5,505,719 Multilayered absorbent structures 39 1994
5,569,226 Multilayered absorbent structures 43 1995
 
CLEMSON UNIVERSITY (7)
5,200,248 Open capillary channel structures, improved process for making capillary channel structures, and extrusion die for use therein 122 1991
5,382,245 Absorbent articles, especially catamenials, having improved fluid directionality 91 1992
5,281,208 Fluid handling structure for use in absorbent articles 97 1992
5,368,926 Fluid accepting, transporting, and retaining structure 44 1992
5,356,405 Absorbent particles, especially catamenials, having improved fluid directionality, comfort and fit 81 1993
5,611,981 Process of making fibers 48 1993
5,628,736 Resilient fluid transporting network for use in absorbent articles 11 1995
 
WARSAW ORTHOPEDIC, INC. (1)
2002/0138,146 Anterior expandable spinal fusion cage system 39 2002
 
SHAW INDUSTRIES GROUP, INC. (1)
5,466,410 Process of making multiple mono-component fiber 241 1994
 
CHASE MANHATTAN BANK USA, NATIONAL ASSOCIATION (4)
4,938,756 Auxiliary absorbent article 72 1985
4,842,594 Absorbent article with internal wicking means 34 1988
4,880,419 Absorbent article with internal wicking means 56 1988
5,030,229 Disposable urinary pad 52 1990
 
Firma Carl Freudenberg (1)
4,413,032 Non-woven fabric with wick action 37 1981
 
ANNE COMPANY LIMITED (1)
4,480,000 Absorbent article 76 1982
 
JNC CORPORATION (1)
5,733,635 Laminated non-woven fabric and process for producing the same 44 1996
 
The Procter & Gamble Company (33)
4,637,819 Macroscopically expanded three-dimensional polymeric web for transmitting both dynamically deposited and statically contacted fluids from one surface to the other 108 1985
4,834,735 High density absorbent members having lower density and lower basis weight acquisition zones 534 1986
4,673,402 Absorbent articles with dual-layered cores 522 1986
4,935,022 Thin absorbent articles containing gelling agent 126 1988
4,988,344 Absorbent articles with multiple layer absorbent layers 340 1988
4,988,345 Absorbent articles with rapid acquiring absorbent cores 244 1988
4,950,264 Thin, flexible sanitary napkin 398 1989
5,009,653 Thin, flexible sanitary napkin 223 1990
5,217,445 Absorbent structures containing superabsorbent material and web of wetlaid stiffened fibers 148 1990
5,360,420 Absorbent structures containing stiffened fibers and superabsorbent material 146 1990
5,047,023 Absorbent members having low density and basis weight acquisition zones 85 1991
5,134,007 Multiple layer absorbent cores for absorbent articles 133 1991
5,334,176 Absorbent core for use in catamenial products 95 1991
5,147,345 High efficiency absorbent articles for incontinence management 446 1991
5,304,161 Absorbent article having rapid acquiring, multiple layer absorbent core 126 1992
5,318,554 High efficiency absorbent articles for incontinence management 90 1992
H001511 Absorbent articles having improved longitudinal fluid movement 3 1992
5,300,054 Absorbent article having rapid acquiring, wrapped multiple layer absorbent body 127 1993
H001377 Absorbent article with multi-functional topsheet 1 1993
5,342,334 Coextruded three-dimensional fluid-pervious plastic web 41 1993
5,348,547 Absorbent members having improved fluid distribution via low density and basis weight acquisition zones 87 1993
5,439,458 Absorbent article having rapid acquiring, multiple layer absorbent core 148 1993
5,536,264 Absorbent composites comprising a porous macrostructure of absorbent gelling particles and a substrate 60 1993
5,599,335 Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer 226 1994
5,531,728 Absorbent structures containing thermally-bonded stiffened fibers and superabsorbent material 114 1994
5,460,622 Absorbent article having blended multi-layer absorbent structure with improved integrity 148 1994
5,549,589 Fluid distribution member for absorbent articles exhibiting high suction and high capacity 61 1995
5,514,105 Resilient plastic web exhibiting reduced skin contact area and enhanced fluid transfer properties 51 1995
5,562,646 Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer having high porosity 274 1995
5,486,167 Absorbent article having blended multi-layer absorbent structure with improved integrity 100 1995
5,487,736 Multi-topography substrate having selectively disposed osmotic absorbent, incorporation thereof in a disposable absorbent article and process of manufacture therefor 24 1995
5,607,414 Catamenial absorbent structures having thermally bonded layers for improved handling of menstrual fluids, and their use in catamenial pads having improved fit and comfort 81 1995
5,647,862 Absorbent article with means for directional fluid distribution 48 1995
 
KAO CORPORATION (1)
5,236,427 Absorbent article 23 1991
 
PERSONAL PRODUCTS COMPANY (1)
4,670,011 Disposable diaper with folded absorbent batt 94 1985
 
KIMBERLY-CLARK WORLDWIDE, INC. (43)
4,340,563 Method for forming nonwoven webs 1194 1980
4,397,644 Sanitary napkin with improved comfort 195 1982
4,531,945 Multi layer sanitary appliance 58 1983
4,636,209 Sanitary napkin with fluid transfer layer 77 1985
4,818,464 Extrusion process using a central air jet 267 1986
4,699,619 Absorbent structure designed for absorbing body fluids 117 1986
4,908,026 Flow distribution system for absorbent pads 177 1986
4,798,603 Absorbent article having a hydrophobic transport layer 601 1987
4,904,249 Absorbent undergarment with fluid transfer layer and elasticized crotch design 61 1988
4,892,534 Nonwoven web useful as a bodyside liner for an absorption article 39 1988
5,124,197 Inflated cellulose fiber web possessing improved vertical wicking properties 67 1989
5,176,668 Absorbent structure designed for absorbing body fluids 250 1989
4,994,037 Absorbent structure designed for absorbing body fluids 86 1990
5,037,409 Absorbent article having a hydrophilic flow-modulating layer 99 1990
5,192,606 Absorbent article having a liner which exhibits improved softness and dryness, and provides for rapid uptake of liquid 305 1991
5,364,382 Absorbent structure having improved fluid surge management and product incorporating same 210 1992
5,342,336 Absorbent structure for masking and distributing a liquid 36 1992
5,248,309 Thin sanitary napkin having a central absorbent zone and a method of forming the napkin 105 1992
5,382,400 Nonwoven multicomponent polymeric fabric and method for making same 632 1992
5,336,552 Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and ethylene alkyl acrylate copolymer 461 1992
5,294,478 Multi-layer absorbent composite 81 1992
5,350,370 High wicking liquid absorbent composite 93 1993
5,509,915 Thin absorbent article having rapid uptake of liquid 344 1993
5,429,629 Absorbent structure having improved fluid surge management and product incorporating same 120 1993
5,466,513 Multi-layer absorbent composite 57 1994
5,562,650 Absorbent article having an improved surge management 124 1994
5,540,979 Porous non-woven bovine blood-oxalate absorbent structure 55 1994
5,401,267 Absorbent article having enhanced wicking capacity 88 1994
5,601,545 Disposable absorbent article with improved waist containment and gasketing 20 1994
5,527,300 Absorbent article with high capacity surge management component 118 1994
5,418,045 Nonwoven multicomponent polymeric fabric 91 1994
5,486,166 Fibrous nonwoven web surge layer for personal care absorbent articles and the like 324 1995
* 5,490,846 Surge management fibrous nonwoven web for personal care absorbent articles and the like 342 1995
5,658,268 Enhanced wet signal response in absorbent articles 99 1995
5,649,916 Thin absorbent article having wicking and crush resistant properties 85 1996
* 5,643,240 Apertured film/nonwoven composite for personal care absorbent articles and the like 68 1996
5,820,973 Heterogeneous surge material for absorbent articles 129 1996
* 5,843,063 Multifunctional absorbent material and products made therefrom 44 1996
* 5,879,343 Highly efficient surge material for absorbent articles 36 1996
* 5,843,852 Absorbent structure for liquid distribution 32 1996
* 5,964,743 Elastic absorbent material for personal care products 69 1997
5,931,823 High permeability liner with improved intake and distribution 37 1997
* 5,994,615 Highly efficient surge material for absorbent article 25 1998
 
Danaklon A/S (1)
5,456,982 Bicomponent synthesis fibre and process for producing same 99 1993
 
PARAGON TRADE BRANDS, INC. (1)
5,188,624 Absorbent article with superabsorbent particle containing insert pad and liquid dispersion pad 103 1990
 
MCNEIL-PPC, INC. (6)
4,500,315 Superthin absorbent product 117 1982
4,537,590 Superthin absorbent product 81 1983
4,573,988 Superthin absorbent product 69 1984
4,681,577 Disposable urinary and fecal waste containment product 128 1985
5,525,407 Integrated absorbent structures with density and liquid affinity gradients 37 1994
5,641,441 Integrated absorbent structures with density and liquid affinity gradients and methods for making the same 25 1995
 
PARAGON TRADE BRANDS, LLC (3)
5,171,391 Method of making an absorbent product 37 1991
5,281,207 Absorbent product 77 1992
5,643,238 Absorbent core structure comprised of storage and acquisition cells 62 1995
 
MITSUI CHEMICALS, INC. (1)
5,108,820 Soft nonwoven fabric of filaments 424 1990
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
AVINTIV SPECIALTY MATERIALS INC. (1)
9,029,277 Breathable laminate and method of making same 0 2011
 
3M INNOVATIVE PROPERTIES COMPANY (1)
9,498,384 Assembled intermediate comprising staple fiber nonwoven web and articles 0 2011
 
The Procter & Gamble Company (9)
9,326,896 Process for making an absorbent core with strain resistant core cover 1 2009
9,468,566 Absorbent structure for absorbent articles 0 2012
9,066,838 Disposable diaper having reduced absorbent core to backsheet gluing 1 2012
9,216,116 Absorbent articles with channels 0 2012
9,216,118 Absorbent articles with channels and/or pockets 0 2012
8,979,815 Absorbent articles with channels 0 2012
9,492,328 Method and apparatus for making absorbent structures with absorbent material 0 2013
9,340,363 Apparatus and method for transferring particulate material 0 2013
9,173,784 Disposable diaper having reduced absorbent core to backsheet gluing 0 2014
* Cited By Examiner

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11.5 Year Payment $7400.00 $3700.00 $1850.00 May 13, 2019
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Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00