US Patent No: 6,240,817

Number of patents in Portfolio can not be more than 2000

Method of forming improved apertured films by using fluid perforation

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Importance

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Abstract

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An apertured film for use as a topsheet in absorbent products wherein the film is apertured and includes a plurality of micro-holes and a plurality of large-sized holes. A method of forming the film is disclosed, as well as an absorbent product incorporating the apertured film as a topsheet.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
MCNEIL-PPC, INC.SKILLMAN, NJ865

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
James, William A Hopewell, NJ 29 391
Kelly, William G F Middlesex, NJ 24 401
Shimalla, Charles James Plainsboro, NJ 7 101

Cited Art Landscape

Patent Info (Count) # Cites Year
 
The Procter & Gamble Company (14)
4,324,246 Disposable absorbent article having a stain resistant topsheet 292 1980
4,342,314 Resilient plastic web exhibiting fiber-like properties 416 1980
4,695,422 Production of formed material by solid-state formation with a high-pressure liquid stream 109 1984
4,609,518 Multi-phase process for debossing and perforating a polymeric web to coincide with the image of one or more three-dimensional forming structures 235 1985
4,637,819 Macroscopically expanded three-dimensional polymeric web for transmitting both dynamically deposited and statically contacted fluids from one surface to the other 101 1985
4,839,216 Formed material produced by solid-state formation with a high-pressure liquid stream 91 1987
4,950,264 Thin, flexible sanitary napkin 362 1989
5,009,653 Thin, flexible sanitary napkin 214 1990
5,342,334 Coextruded three-dimensional fluid-pervious plastic web 41 1993
5,368,910 Macroscopically expanded plastic web having improved fluid drainage 51 1993
5,352,217 Absorbent article having multiple topsheets 39 1993
5,441,691 Process for microaperaturing and microembossing a polymeric web 15 1993
5,665,452 Three-dimensional, macroscopically expanded, apertured laminate webs 6 1994
5,792,412 Apertured films having durable wettability and processes for marking them 4 1996
 
KIMBERLY-CLARK WORLDWIDE, INC. (3)
5,112,690 Low hydrohead fibrous porous web with improved retentive wettability 21 1990
5,382,703 Electron beam-graftable compound and product from its use 25 1992
5,636,558 Method and apparatus for directing fluid 12 1996
 
CHASE MANHATTAN BANK, THE (2)
4,381,326 Reticulated themoplastic rubber products 52 1981
4,690,679 Coextruded apertured film sanitary napkin cover 107 1986
 
CLEMSON UNIVERSITY (2)
5,382,245 Absorbent articles, especially catamenials, having improved fluid directionality 86 1992
5,368,926 Fluid accepting, transporting, and retaining structure 44 1992
 
TREDEGAR FILM PRODUCTS CORPORATION (2)
4,456,570 Treatment of perforated film 49 1982
4,535,020 Perforated film 70 1984
 
EXXON CHEMICAL PATENTS INC. (1)
5,376,439 Soft films having enhanced physical properties 101 1994
 
MCNEIL-PPC, INC. (1)
5,824,352 Apparatus for producing an apertured plastic film having a tricot texture 20 1996
 
Minnesota Mining and Manufacturing Company (1)
4,867,881 Orientied microporous film 122 1987
 
PGI POLYMER, INC. (1)
5,567,376 Method of forming textile-like apertured plastic films 55 1995
 
TREDEGAR INDUSTRIES, INC. (1)
4,351,784 Corona treatment of perforated film 44 1980
 
UNI-CHARM CORPORATION (1)
5,383,870 Liquid-permeable topsheet for body fluid absorptive goods 64 1993
 
Other [Check patent profile for assignment information] (1)
5,387,290 Hand polishing technique for automobiles and other vehicles 12 1993

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
The Procter & Gamble Company (9)
7,655,176 Method of making a polymeric web exhibiting a soft and silky tactile impression 1 2002
7,402,723 Polymeric web exhibiting a soft and silky tactile impression 10 2002
8,287,800 Method for making a polymeric web exhibiting a soft and silky tactile impression 0 2003
8,057,729 Method for making a forming structure 1 2003
6,852,475 Method for making a forming structure 6 2003
7,303,861 Apparatus and method for making a forming structure 5 2003
7,521,588 Polymeric web exhibiting a soft and silky tactile impression 7 2005
7,713,683 Apparatus and method for making a forming structure 1 2007
8,105,526 Method for making a forming structure 1 2009
 
Andersen Corporation (3)
7,195,053 Reduced visibility insect screen 2 2004
7,201,208 Reduced visibility insect screen 0 2004
8,042,598 Reduced visibility insect screen 0 2008
 
TREDEGAR FILM PRODUCTS CORPORATION (1)
7,364,687 Soft film 3 2004