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Class Information
Number: 442/389
Name: Fabric (woven, knitted, or nonwoven textile or cloth, etc.) > Nonwoven fabric (i.e., nonwoven strand or fiber material) > Including an additional nonwoven fabric > Separate nonwoven fabric layers comprise chemically different strand or fiber material
Description: Subject matter wherein the nonwoven fabric layers comprise chemically different strand or fiber material.


Sub-classes under this class:

Class Number Class Name Patents
442/390 At least one layer of inorganic strand or fiber material and at least one layer of synthetic polymeric strand or fiber material 30


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7625828 Insulation product having nonwoven facing Dec. 1, 2009
7622184 Multilevel interconnection board and method of fabricating the same Nov. 24, 2009
7579062 Hydroxyl polymer web structures comprising a tuft Aug. 25, 2009
7521386 Moldable heat shield Apr. 21, 2009
7517821 Automobile interior board and method of producing automobile interior board Apr. 14, 2009
7497509 Exterior component Mar. 3, 2009
7494558 Laminate with improved properties Feb. 24, 2009
7473817 Absorbent article Jan. 6, 2009
7452834 Fibrous sheet Nov. 18, 2008
7358204 Soft, thick, non-linting nonwoven Apr. 15, 2008
7351673 Laminates including two or more layers of organic synthetic filament non-wovens and glass fiber webs and scrims Apr. 1, 2008
7344034 Heatsealable filter materials Mar. 18, 2008
7326662 Fibrous stiffener with barrier function for making composite parts, and composite parts using this stiffener Feb. 5, 2008
7311209 Filter material Dec. 25, 2007
7309668 Multiple layer directionally oriented nonwoven fiber material and methods of manufacturing same Dec. 18, 2007
7271113 Composite with an absorbent layer Sep. 18, 2007
7225475 Hat having elasticity and method of manufacturing the same Jun. 5, 2007
7217456 Plaited double-knit fabric with moisture management and improved thermal insulation May. 15, 2007
7211531 Elastomeric nonwoven laminates and process for producing same May. 1, 2007
7176150 Internally tufted laminates Feb. 13, 2007
7172801 Tufted laminate web Feb. 6, 2007
7166547 Under carpet heat shield and floor pan insulator Jan. 23, 2007
7153793 Multilayer nonwovens incorporating differential cross-sections Dec. 26, 2006
7125460 Fire resistant nonwoven batt having both charring and oxygen-depleting fibers Oct. 24, 2006
7115151 High efficiency particulate air rated vacuum bag media and an associated method of production Oct. 3, 2006
7115535 Personal care articles comprising batting Oct. 3, 2006
7094270 Composite filter and method of making the same Aug. 22, 2006
7070884 Separator with improved barrier performance Jul. 4, 2006
7063917 Laminated battery separator material Jun. 20, 2006
7053012 Flexible corrosion-inhibiting cover for a metallic object May. 30, 2006
7049254 Multiple component meltblown webs May. 23, 2006
7037569 Laminate web comprising an apertured layer and method for manufacturing thereof May. 2, 2006
7037866 Two-sided nonwoven fabric May. 2, 2006
7033965 Cleaning Sheet Apr. 25, 2006
7030046 Multi-layer substrate for a premoistened wipe capable of controlled fluid release Apr. 18, 2006
7022632 Composite nonwoven fabric for protective clothing and production method thereof Apr. 4, 2006
7015157 Non-halogen series floor material Mar. 21, 2006
6995100 Composite sheet and process for making the same Feb. 7, 2006
6992028 Multi-layer nonwoven fabric Jan. 31, 2006
6989080 Nonwoven neutral line dryer fabric Jan. 24, 2006
6987075 Mattress cover fabric with barrier effect Jan. 17, 2006
6903034 Hydroentanglement of continuous polymer filaments Jun. 7, 2005
6887554 Multi-product May. 3, 2005
6884494 Laminate web Apr. 26, 2005
6878433 Applications for laminate web Apr. 12, 2005
6872233 High efficiency particulate air rated vacuum bag media and an associated method of production Mar. 29, 2005
6872431 Filter material construction and method Mar. 29, 2005
6831025 Multiple component spunbond web and laminates thereof Dec. 14, 2004
6808790 Wet-resilient webs and disposable articles made therewith Oct. 26, 2004
6808791 Applications for laminate web Oct. 26, 2004

1 2 3 4 5


 
 
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