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Class Information
Number: 442/398
Name: Fabric (woven, knitted, or nonwoven textile or cloth, etc.) > Nonwoven fabric (i.e., nonwoven strand or fiber material) > Nonwoven fabric with a preformed polymeric film or sheet > Olefin polymer or copolymer sheet or film (e.g., polypropylene, polyethylene, ethylene-butylene copolymer, etc.)
Description: Subject matter wherein the preformed polymeric film or sheet is an olefin polymer or copolymer such as polypropylene, polyethylene, ethylene-butylene copolymer, etc.


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7612001 High performance elastic materials made using styrene block copolymers and mixtures Nov. 3, 2009
7585794 Vapor retarder with shielding against electromagnetic fields Sep. 8, 2009
7572525 Concrete curing blanket Aug. 11, 2009
7550400 Multiple layer nonwoven fabric structures Jun. 23, 2009
7501362 Nonwoven composite element Mar. 10, 2009
7501357 Vapor permeable, liquid impermeable composite fabric and fabrication process Mar. 10, 2009
7501363 Ethylene oxide sterilizable, low cost nonwoven laminates with high wet peel strength and improved barrier properties Mar. 10, 2009
7501361 Laminate material for an elastic diaper closure and method for its production Mar. 10, 2009
7498282 Multi-layer, elastic articles Mar. 3, 2009
7468335 High-strength meltblown polyester webs Dec. 23, 2008
7452833 Heat-reflective nonwoven liner material Nov. 18, 2008
7446064 Impact resistant building panels Nov. 4, 2008
7442658 Impact resistant roofing shingles and process of making same Oct. 28, 2008
7320948 Extensible laminate having improved stretch properties and method for making same Jan. 22, 2008
7309663 Asymmetric porous polytetrafluoroethylene membrane for clothing Dec. 18, 2007
7307031 Breathable composite sheet structure and absorbent articles utilizing same Dec. 11, 2007
7285324 Laminate structure Oct. 23, 2007
7226880 Breathable, extensible films made with two-component single resins Jun. 5, 2007
7225476 Protective clothing against biological agents Jun. 5, 2007
7094715 Non-halogen series floor material Aug. 22, 2006
7078089 Low-cost elastic laminate material Jul. 18, 2006
7015157 Non-halogen series floor material Mar. 21, 2006
6916750 High performance elastic laminates made from high molecular weight styrenic tetrablock copolymer Jul. 12, 2005
6887807 Breathable liquid-impervious composite sheet May. 3, 2005
6872673 Laminate and use of such laminate as a facer in making insulation boards and other products Mar. 29, 2005
6838163 Composite facer for wallboards Jan. 4, 2005
6838403 Breathable, biodegradable/compostable laminates Jan. 4, 2005
6821915 Film having high breathability induced by low cross-directional stretch Nov. 23, 2004
6815380 High performance kraft facing for fiberglass insulation Nov. 9, 2004
6809048 Bulked fabric film laminate Oct. 26, 2004
6800384 Synthetic resin leather Oct. 5, 2004
6797356 Reflective insulation Sep. 28, 2004
6794019 Layered composite material with an intermediate layer made from a thermoplastic Sep. 21, 2004
6764733 Hot bitumen compatible EPDM roofing sheet Jul. 20, 2004
6733865 Composite sheet May. 11, 2004
6730393 Cut-resistant polymeric sheets and articles formed therefrom May. 4, 2004
6713140 Latently dispersible barrier composite material Mar. 30, 2004
6713159 Tear-resistant bond pattern Mar. 30, 2004
6680265 Laminates of elastomeric and non-elastomeric polyolefin blend materials Jan. 20, 2004
6677258 Breathable composite sheet structure and absorbent articles utilizing same Jan. 13, 2004
6663611 Breathable diaper with low to moderately breathable inner laminate and more breathable outer cover Dec. 16, 2003
6649548 Nonwoven web and film laminate with improved strength and method of making the same Nov. 18, 2003
6649251 Lightweight, breathable, sonic-bonded protective outer garments Nov. 18, 2003
6645887 Durable waterproof breathable laminate Nov. 11, 2003
6624099 Glass-reinforced multi-layer sheets from olefin polymer materials Sep. 23, 2003
6610383 Transversely extensible and retractable necked laminate of no-elastic sheet layers Aug. 26, 2003
6586354 Microlayer breathable hybrid films of degradable polymers and thermoplastic elastomers Jul. 1, 2003
6582810 One-step method of producing an elastic, breathable film structure Jun. 24, 2003
6537936 Multiple zone member Mar. 25, 2003
6531204 Absorbent article with back sheet, and method for manufacturing the back sheet Mar. 11, 2003

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