US Patent No: 6,909,028
Number of patents in Portfolio can not be more than 2000
Stable breathable elastic garments
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Jun 21, 2005
Issued date -
Jul 24, 1998
filing date -
09/122,326
serial no -
In Force
status
Importance
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Abstract
A thermally stable microporous breathable film is provided comprising at least 35% filler, by weight of the filled-film, and a thermoplastic polymer blend of a first polyethylene polymer and a second polyethylene polymer. The first polyethylene polymer comprises 30%-70% by weight of the polymer blend and can have a density between about 0.86 g/cm3 and 0.89 g/cm3 and the second polyethylene polymer can have a density between about 0.90 g/cm3 and 0.92 g/cm3. The filled-film can be uniaxially or biaxially oriented to form a microporous film and/or film laminate having good body conformance and which retains a high WVTR at 37° C. and above.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,197,150 Coextruded heat sealable laminar thermoplastic films | 19 | 1978 | |
| 4,275,119 Heat sealable packaging film comprising propylene polymer substrate and a surface layer blend of olefin copolymer or interpolymer | 33 | 1979 | |
| 4,339,495 Heat sealable packaging film comprising propylene polymer substrate and olefin surface layer blend of polybutene-1 and ethylene or a propylene copolymer | 14 | 1980 | |
| 4,340,641 Heat sealable packaging film comprising propylene polymer substrate and a surface layer blend of ethylene copolymer and propylene copolymer | 46 | 1980 | |
| 4,377,616 Lustrous satin appearing, opaque film compositions and method of preparing same | 193 | 1981 | |
| 4,438,175 Synthetic film with a paper-like surface and method of forming same | 38 | 1983 | |
| 4,533,509 Low coefficient of friction film structure and method of forming the same | 36 | 1983 | |
| 4,582,752 Heat shrinkable, lustrous satin appearing, opaque film compositions | 48 | 1985 | |
| 4,582,753 Polymer laminate possessing an intermediate water vapor transmission barrier layer | 32 | 1985 | |
| 4,702,954 Polymer laminate possessing an intermediate water vapor transmission barrier layer | 40 | 1985 | |
| 4,758,462 Opaque film composites and method of preparing same | 100 | 1986 | |
| 4,704,323 Resin film laminate | 29 | 1987 | |
| 4,824,912 Terblends and films of LLDPE, LMW-HDPE and HMW-HDPE | 31 | 1987 | |
| 4,965,123 Opaque oriented polymeric film structure and method of preparing same | 23 | 1989 | |
| 5,209,884 Process for producing a multi-layer high opacity film structure of improved whiteness and machinability | 13 | 1991 | |
| 5,397,635 Multi-layer high opacity film structure of improved whiteness and machinability | 16 | 1993 | |
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| 4,340,563 Method for forming nonwoven webs | 1069 | 1980 | |
| 4,861,652 Diaper article with elasticized waist panel | 105 | 1987 | |
| 5,019,073 Disposable diaper with improved mechanical fastening system | 158 | 1988 | |
| 5,116,662 Multi-direction stretch composite elastic material | 274 | 1989 | |
| 5,382,400 Nonwoven multicomponent polymeric fabric and method for making same | 535 | 1992 | |
| 5,336,552 Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and ethylene alkyl acrylate copolymer | 405 | 1992 | |
| 5,527,302 Conformable absorbent article | 111 | 1993 | |
| 5,635,290 Knit like nonwoven fabric composite | 55 | 1994 | |
| 5,460,884 Soft and strong thermoplastic polymer fibers and nonwoven fabric made therefrom | 37 | 1994 | |
| 5,605,735 High-peel tab fastener | 82 | 1994 | |
| 5,695,868 Breathable, cloth-like film/nonwoven composite | 150 | 1996 | |
| 5,855,999 Breathable, cloth-like film/nonwoven composite | 65 | 1996 | |
| 5,865,825 Absorbent assembly | 13 | 1996 | |
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| 4,833,026 Breathable, waterproof sheet materials and methods for making the same | 29 | 1987 | |
| 4,824,718 Porous film | 58 | 1987 | |
| 4,863,792 Multi-layer laminates of microporous films | 48 | 1988 | |
| 4,957,943 Particle-filled microporous materials | 72 | 1988 | |
| 4,902,553 Disposable products | 70 | 1988 | |
| 4,935,287 Stretchable laminate constructions | 64 | 1989 | |
| 5,120,594 Microporous polyolefin shaped articles with patterned surface areas of different porosity | 58 | 1991 | |
| 5,238,733 Stretchable nonwoven webs based on multi-layer blown microfibers | 73 | 1991 | |
| 5,238,623 Method for preparing microporous polyolefin shaped articles | 37 | 1992 | |
| 5,376,430 Elastic film laminate | 58 | 1992 | |
| 5,324,576 Polyolefin meltblown elastic webs | 30 | 1993 | |
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| 4,303,708 Heat-sealable plastic film, process for its manufacture, and the use of the film | 59 | 1979 | |
| 4,758,396 Process for the preparation of a biaxially oriented polypropylene film | 39 | 1986 | |
| 5,026,592 Opaque multilayered film having an inherent resistance to delamination | 43 | 1988 | |
| 4,910,639 Raw material and film prepared therefrom, having improved electrical properties | 7 | 1989 | |
| 5,110,670 Film for transfer metallizing | 17 | 1989 | |
| 5,212,009 Multi-layer transparent polyolefin film for application in shrink labelling | 26 | 1990 | |
| 5,326,625 Sealable, opaque, biaxially orientated multilayer polypropylene film, process for its production and its use | 47 | 1992 | |
| 5,277,970 Sealable white film made of polyolefins | 25 | 1992 | |
| 5,372,882 Biaxially oriented, multilayer polyolefin film of high shrinkage which can be heat-sealed at low temperatures | 21 | 1993 | |
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| 5,250,612 Polyethylene films exhibiting low blocking force | 23 | 1991 | |
| 5,272,236 Elastic substantially linear olefin polymers | 834 | 1991 | |
| 5,278,272 Elastic substantialy linear olefin polymers | 685 | 1992 | |
| 5,472,775 Elastic materials and articles therefrom | 127 | 1993 | |
| 5,342,884 Compositions prepared using finely-divided isocyanate based thermoset polymers | 6 | 1993 | |
| 5,705,565 Graft-modified substantially linear ethylene polymers and methods for their use | 27 | 1994 | |
| 5,582,923 Extrusion compositions having high drawdown and substantially reduced neck-in | 51 | 1994 | |
| 5,847,053 Ethylene polymer film made from ethylene polymer blends | 15 | 1997 | |
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| 4,352,849 Coextruded, heat-shrinkable, multi-layer, polyolefin packaging film | 70 | 1981 | |
| 4,390,385 Heat sealable, multi-ply polypropylene film | 34 | 1981 | |
| 4,439,478 Heat sealable, multi-ply polypropylene film | 30 | 1982 | |
| 5,167,652 Moisture sensitive film | 24 | 1989 | |
| 5,110,677 Lettuce packaging film | 39 | 1990 | |
| 5,456,979 Biaxially oriented film | 13 | 1993 | |
| 5,482,770 Highly oriented multilayer film | 46 | 1994 | |
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| 4,434,258 Organic acid containing filled and plasticized thermoplastic compositions based on ethylene interpolymers | 62 | 1982 | |
| 4,430,468 Surfactant-containing filled and plasticized thermoplastic compositions based on ethylene interpolymers | 103 | 1982 | |
| 4,698,372 Microporous polymeric films and process for their manufacture | 65 | 1985 | |
| 4,684,568 Vapor-permeable liquid-impermeable fabric | 39 | 1986 | |
| 4,725,481 Vapor-permeable, waterproof bicomponent structure | 92 | 1987 | |
| 4,842,741 Heterogeneous membranes from highly filled thermoplastic orientable polymers | 12 | 1988 | |
| 4,909,971 Process for making a heterogeneous membrane film | 9 | 1988 | |
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| 4,803,035 Method for making composite films | 18 | 1985 | |
| 4,777,073 Breathable films prepared from melt embossed polyolefin/filler precursor films | 136 | 1987 | |
| 4,929,303 Composite breathable housewrap films | 88 | 1987 | |
| 5,055,338 Metallized breathable films prepared from melt embossed polyolefin/filler precursor films | 53 | 1988 | |
| 5,241,031 Elastic articles having improved unload power and a process for their production | 125 | 1992 | |
| 5,571,619 Fibers and oriented films of polypropylene higher .alpha.-olefin copolymers | 61 | 1994 | |
| 5,635,262 High molecular weight high density polyethylene with improved tear resistance | 38 | 1994 | |
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| 4,353,945 Flocked, foam-coated, water vapor permeable, bacterial barrier | 21 | 1980 | |
| 4,525,407 Elastic composites | 147 | 1983 | |
| 4,522,203 Water impervious materials | 111 | 1984 | |
| 4,595,629 Water impervious materials | 42 | 1985 | |
| 4,690,679 Coextruded apertured film sanitary napkin cover | 106 | 1986 | |
| 4,806,411 Coextruded apertured film sanitary napkin cover | 49 | 1987 | |
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| 4,341,216 Breathable backsheet for disposable diapers | 94 | 1981 | |
| 4,681,578 Pantiliner with ventilation areas | 43 | 1985 | |
| 4,681,793 Non-occluding, liquid-impervious, composite backsheet for absorptive devices | 71 | 1985 | |
| 5,006,394 Multilayer polymeric film | 156 | 1988 | |
| 5,143,679 Method for sequentially stretching zero strain stretch laminate web to impart elasticity thereto without rupturing the web | 199 | 1991 | |
| 5,261,899 Multilayer film exhibiting an opaque appearance | 58 | 1992 | |
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| 4,734,324 Heat sealable microporous polypropylene films | 64 | 1987 | |
| 4,879,078 Process for producing uniaxial polyolefin/filler films for controlled atmosphere packaging | 53 | 1988 | |
| 4,923,650 Breathable microporous film and methods for making it | 68 | 1988 | |
| 5,008,296 Breathable microporous film | 46 | 1990 | |
| 5,011,698 Breathable microporous film and methods for making it | 50 | 1990 | |
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| 4,312,964 Polyolefin resin composition | 13 | 1980 | |
| 4,603,174 Stretched polypropylene film | 27 | 1984 | |
| 4,686,257 Polypropylene resin composition containing filler | 21 | 1986 | |
| 4,829,096 Breathable film and process for production of the same | 30 | 1987 | |
| 5,624,991 Polypropylene resin composition | 49 | 1994 | |
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| 4,194,041 Waterproof laminate | 269 | 1978 | |
| 4,344,999 Breathable laminate | 85 | 1980 | |
| 4,443,511 Elastomeric waterproof laminate | 135 | 1982 | |
| 5,036,551 Elastomeric composite fabric | 65 | 1990 | |
| 5,804,011 Process of making a two-way stretchable fabric laminate and articles made from it | 34 | 1996 | |
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| 5,212,246 Olefin polymer films | 65 | 1991 | |
| 5,318,842 Biaxially oriented propylene polymer film or sheet articles | 15 | 1992 | |
| 5,300,365 Olefin polymer films | 36 | 1993 | |
| 5,331,047 Olefin polymer films | 30 | 1993 | |
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| 4,294,889 Resin compositions and heat-sealable composite biaxially-stretched films | 24 | 1979 | |
| 4,585,604 Process for preparing an air-permeable film | 32 | 1984 | |
| 4,704,238 Process for the production of air-permeable films | 45 | 1985 | |
| 5,385,972 Filler-containing resin composition and stretched films using same | 34 | 1993 | |
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| 4,814,124 Preparation of gas permeable porous film | 54 | 1987 | |
| 4,921,652 Process for producing a porous film | 27 | 1988 | |
| 4,921,653 Method of forming a porous polyolefin film | 44 | 1988 | |
| 5,340,646 Breathable, hydrolyzable porous film | 38 | 1992 | |
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| 5,169,712 Porous film composites | 116 | 1991 | |
| 5,176,953 Oriented polymeric microporous films | 64 | 1991 | |
| 5,317,035 Oriented polymeric microporous films | 55 | 1992 | |
| 5,236,963 Oriented polymeric microporous films | 39 | 1992 | |
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| 4,239,826 Multi-layer barrier film | 72 | 1978 | |
| 4,552,714 Process for producing coextruded film of polypropylene, polypropylene blend, and nylon | 22 | 1982 | |
| 4,501,797 Unbalanced oriented multiple layer film | 53 | 1982 | |
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| 4,546,029 Random embossed matte plastic film | 83 | 1984 | |
| 5,382,461 Extrusion laminate of incrementally stretched nonwoven fibrous web and thermoplastic film and method | 56 | 1993 | |
| 5,422,172 Elastic laminated sheet of an incrementally stretched nonwoven fibrous web and elastomeric film and method | 136 | 1993 | |
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| 4,306,559 Moisture-permeable disposable diapers | 51 | 1980 | |
| 4,347,844 Porous sheet and process for preparation thereof | 53 | 1980 | |
| 4,364,985 Porous sheet | 33 | 1981 | |
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| 4,533,602 Modified polyolefin composition useful for bonding materials | 18 | 1984 | |
| 5,173,235 Method of producing microporous film | 24 | 1990 | |
| 5,616,420 Laminate film | 24 | 1994 | |
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| 5,126,198 Heat-laminatable, gas-barrier multi-layer films | 26 | 1989 | |
| 5,126,197 Heat-laminatable, high-gloss multilayer films | 32 | 1990 | |
| 5,885,707 Sealable laminated film containing copolymers produced with metallocene catalysts | 12 | 1996 | |
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| 4,289,832 Chemically-impregnated microporous films | 41 | 1978 | |
| 4,350,655 Process for producing highly porous thermoplastic films | 80 | 1980 | |
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| 4,816,328 Breathable, non-linting laminate | 55 | 1987 | |
| 5,026,591 Coated products and methods for making | 103 | 1989 | |
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| 4,672,091 Thermoplastic elastomer blends containing ethylene-propylene thermoplastic block copolymer elastomers | 16 | 1985 | |
| 4,748,070 Film/fiber laminates | 20 | 1986 | |
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| 4,252,851 Multiple-layer films | 42 | 1979 | |
| 4,384,024 Composite heat-sealable films | 44 | 1981 | |
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| 5,539,124 Polymerization catalysts based on transition metal complexes with ligands containing pyrrolyl ring | 142 | 1994 | |
| 5,554,775 Borabenzene based olefin polymerization catalysts | 144 | 1995 | |
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| 4,705,813 Process for producing porous films involving a stretching step and the resultant film | 42 | 1984 | |
| 4,978,486 Method for preparing perforated film | 16 | 1988 | |
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| 4,606,970 Laminated plastic/non-woven film and its method of manufacture | 24 | 1983 | |
| 5,204,179 Multilayered polyolefin structure | 16 | 1991 | |
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| 4,613,643 Porous sheet | 45 | 1984 | |
| 4,791,144 Microporous film and process for production thereof | 65 | 1987 | |
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| 4,196,240 Heat shrinkable multilayer packaging film of blended copolymers and elastomers | 35 | 1978 | |
| 4,795,768 Impact promoters for mineral-filled thermoplastics | 5 | 1986 | |
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| 4,615,922 Oriented polymeric film | 43 | 1985 | |
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| 4,265,954 Selective-area fusion of non-woven fabrics | 43 | 1978 | |
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| 4,297,408 Laminates of cloth and filled crystalline polypropylene and a method for making them | 31 | 1979 | |
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| 4,780,364 Decorative packaging films | 44 | 1987 | |
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| 4,254,175 Multilayer thermoplastic film laminate | 14 | 1979 | |
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| 4,376,147 Plastic film having a matte finish | 71 | 1981 | |
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| 4,761,324 Elastic, laminated, water-proof, moisture-permeable fabric | 67 | 1987 | |
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| 4,980,227 Netlike sheet and method for producing multilayer yarn for producing the same | 40 | 1988 | |
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| 5,470,639 Elastic nonwoven webs and method of making same | 52 | 1992 | |
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| 4,960,637 Polymeric films | 30 | 1989 | |
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| 4,815,714 Process for the manufacture of microporous film | 18 | 1987 | |
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| 4,407,986 Polypropylene composition | 12 | 1982 | |
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| 5,409,761 Breathable non-woven composite barrier fabric and fabrication process | 76 | 1993 | |
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| RE31191 Elastic plastic netting, and pallet load wrapping therewith | 11 | 1981 | |
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| 4,332,845 Oxygen absorbent-containing bag | 37 | 1980 | |
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| 5,073,316 Process for producing a porous film | 26 | 1990 | |
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| 5,091,236 Multi-layer high opacity film structures | 44 | 1991 | |
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| 5,453,318 Olefin polymer films | 33 | 1994 | |
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| 4,399,173 Multilayer films comprising low pressure, low density polyethylene | 60 | 1982 | |
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| 4,713,133 Methods of adhering a self-fusing tape to a substrate | 7 | 1986 | |
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| 4,908,251 Porous reinforcement sheet | 20 | 1987 | |
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| 4,407,879 Method of producing a textured film | 5 | 1981 | |
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| 4,832,886 Abrasion process for the manufacture of microporous film | 13 | 1987 | |
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| 5,032,450 Microporous material having a coating of hydrophobic polymer | 80 | 1990 | |
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| 4,276,330 Trilaminate film for forming sideweld bags | 22 | 1977 | |
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| 5,208,098 Self-bonded nonwoven web and porous film composites | 93 | 1990 | |
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| 4,842,794 Method of making apertured films and net like fabrics | 46 | 1987 | |
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| 4,857,370 Heat recoverable article | 7 | 1987 | |
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| 5,244,716 Stretchable fabrics and articles made therefrom | 43 | 1989 | |
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| 5,164,258 Multi-layered structure | 41 | 1990 | |
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| 4,190,624 Process for the extrusion of compositions based on alpha-olefin polymers | 10 | 1978 | |
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| 5,284,540 Method of making laminates from polyethylene foils and the like | 16 | 1991 | |
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| 4,820,471 Process for the preparation of blown film | 26 | 1986 | |
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| 4,386,129 Porous polymeric films | 36 | 1981 | |
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| 4,433,026 Cloth-like material for forming a surgical gown and/or a surgical drape and method of making the same | 39 | 1981 | |
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| 4,560,598 Plastics film and bags and sacks therefrom | 19 | 1984 | |
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| 5,263,949 Disposable diaper with barrier sheet | 31 | 1989 | |
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| 5,597,194 High friction, non-slip, flexible and heat resistant plastic net | 28 | 1995 | |
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| 5,204,429 Process for the preparation of an olefin polymer | 106 | 1988 | |
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| 5,445,862 Porous film and process for production thereof | 22 | 1994 | |
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| 5,218,036 Shrinkable film from ethylene-vinyl acetate polymer talc and ethylene-propylene copolymers blend | 9 | 1990 | |
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| 4,343,848 Embossed thermoplastic material | 42 | 1980 | |
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| 4,636,424 Moisture-permeable waterproof laminated fabric and process for producing the same | 40 | 1985 | |
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| 4,296,156 Multilayer film including a polyurethane | 32 | 1979 | |
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| 5,149,332 Absorbent and cushioning products and their manufacture | 30 | 1988 | |
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| 4,185,135 Method for coating a textile substrate | 16 | 1977 | |
| 4,494,629 Lowering device and method | 29 | 1982 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 21, 2012 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 21, 2016 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |