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Class Information
Number: 442/361
Name: Fabric (woven, knitted, or nonwoven textile or cloth, etc.) > Nonwoven fabric (i.e., nonwoven strand or fiber material) > Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship (e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.) or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
Description: Subject matter wherein the strand or fiber material, per se, is a monofilament composed of (a) two or more synthetic polymeric materials which are specified as being in sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, or any other physically distinct relationship across a cross section thereof, (b) a physical blend of two or more polymeric materials specifically disclosed and/or claimed as having distinctly different chemical or physical characteristics, or (c) a blend or an admixture of a polymeric material and a filler material.










Sub-classes under this class:

Class Number Class Name Patents
442/363 Islands-in-sea multicomponent strand or fiber material 92
442/364 Sheath-core multicomponent strand or fiber material 288
442/362 Side-by-side multicomponent strand or fiber material 138
442/365 Strand or fiber material is a blend of polymeric material and a filler material 57


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8663799 Polypropylene based fibers and nonwovens Mar. 4, 2014
8657115 Arrangement of a plurality of moistened cosmetic pads and method for the production thereof Feb. 25, 2014
8563449 Non-woven material and method of making such material Oct. 22, 2013
8557374 Water-dispersible and multicomponent fibers from sulfopolyesters Oct. 15, 2013
8541323 Splittable conjugate fiber, aggregate thereof, and fibrous form made from splittable conjugate fibers Sep. 24, 2013
8518841 Stretchable nonwoven fabric and tape Aug. 27, 2013
8513147 Nonwovens produced from multicomponent fibers Aug. 20, 2013
8501646 Non-woven fabric laminate Aug. 6, 2013
8501647 High strength and high elongation wipes Aug. 6, 2013
8501317 Variable-airflow cloth, sound absorbing material, and vehicular part Aug. 6, 2013
8460790 Nanofiber aggregate, polymer alloy fiber, hybrid fiber, fibrous structures, and processes for production of them Jun. 11, 2013
8445391 Leather-like sheet and method of manufacturing the same May. 21, 2013
8444895 Processes for making water-dispersible and multicomponent fibers from sulfopolyesters May. 21, 2013
8444896 Water-dispersible and multicomponent fibers from sulfopolyesters May. 21, 2013
8435908 Water-dispersible and multicomponent fibers from sulfopolyesters May. 7, 2013
8420556 High strength, durable micro and nano-fiber fabrics produced by fibrillating bicomponent islands in the sea fibers Apr. 16, 2013
8415263 Composite material using stretchable nonwoven fabric Apr. 9, 2013
8389426 Bicomponent fiber Mar. 5, 2013
RE43867 Rocket assembly ablative materials formed from, as a precursor, staple cellulosic fibers, and method of insulating or thermally protecting a rocket assembly with the same Dec. 18, 2012
8314041 Water-dispersible and multicomponent fibers from sulfopolyesters Nov. 20, 2012
8309478 Consolidated fibrous structure Nov. 13, 2012
8268444 Crimping composite fiber and fibrous mass comprising the same Sep. 18, 2012
8252706 Stretchable multiple component nonwoven fabrics and methods for preparing Aug. 28, 2012
8247335 Water-dispersible and multicomponent fibers from sulfopolyesters Aug. 21, 2012
8231595 Stretchable laminates of nonwoven web(s) and elastic film Jul. 31, 2012
8226625 Stretchable laminates of nonwoven web(s) and elastic film Jul. 24, 2012
8226626 Stretchable laminates of nonwoven web(s) and elastic film Jul. 24, 2012
8227362 Water-dispersible and multicomponent fibers from sulfopolyesters Jul. 24, 2012
8216953 Water-dispersible and multicomponent fibers from sulfopolyesters Jul. 10, 2012
8207073 Highly water pressure-resistant polyester nonwoven fabric Jun. 26, 2012
8182927 Recycled cellulosic industrial and commercial absorbent matting May. 22, 2012
8178199 Nonwovens produced from multicomponent fibers May. 15, 2012
8173257 Cellulosic fibers having enhanced reversible thermal properties and methods of forming thereof May. 8, 2012
8168003 Fiber comprising starch and a surfactant May. 1, 2012
8158244 Water-dispersible and multicomponent fibers from sulfopolyesters Apr. 17, 2012
8158539 Heat deflection/high strength panel compositions Apr. 17, 2012
8148279 Staple fiber durable nonwoven fabrics Apr. 3, 2012
8129297 Method and apparatus for heating nonwoven webs Mar. 6, 2012
8124549 Non-woven fabric Feb. 28, 2012
8119549 Consolidated fibrous structure Feb. 21, 2012
8119237 Fibers made from copolymers of ethylene/.alpha.-olefins Feb. 21, 2012
8114794 Elastic, soft and punctiformly bound non-woven fabric provided with filler particles and method for production and the use thereof Feb. 14, 2012
8093162 Non-woven material comprising polymer fibers using mixtures with amphiphilic block copolymers as well as their production and use Jan. 10, 2012
8057567 Filter medium and breather filter structure Nov. 15, 2011
8053060 Base material for artificial leathers and method of producing the same Nov. 8, 2011
8053380 Extensible spunbonded non-woven fabrics Nov. 8, 2011
8021997 Multicomponent spunbonded nonwoven, method for its manufacture, and use of the multicomponent spunbonded nonwovens Sep. 20, 2011
8021996 Nonwoven web and filter media containing partially split multicomponent fibers Sep. 20, 2011
8017535 Water-soluble moisture addition to enhance molding, stiffness, and surface processing of polymer materials Sep. 13, 2011
8007904 Metal-coated fiber Aug. 30, 2011

1 2 3 4 5 6 7 8










 
 
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