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Class Information
Number: 428/373
Name: Stock material or miscellaneous articles > Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof > Rod, strand, filament or fiber > Bicomponent, conjugate, composite or collateral fibers or filaments (i.e., coextruded sheath-core or side-by-side type)
Description: Product comprising a plurality of fibers or filaments which have been simultaneously formed by being forced through separate openings in a die or spinneret, and in which (1) the individual fibers or filaments are side-by-side with a connecting web therebetween or (2) one fiber or filament is substantially enclosed in the other (sheath-core type).

Sub-classes under this class:

Class Number Class Name Patents
428/374 Fibers or filaments nonconcentric (e.g., side-by-side or eccentric, etc.) 667

Patents under this class:

Patent Number Title Of Patent Date Issued
8679628 Insulated wire Mar. 25, 2014
8679627 Multi-component fibers having enhanced reversible thermal properties and methods of manufacturing thereof Mar. 25, 2014
8663799 Polypropylene based fibers and nonwovens Mar. 4, 2014
8652635 Insulated wire and resin dispersion Feb. 18, 2014
8642167 Continuous carbon-nanotube-reinforced polymer precursors and carbon fibers Feb. 4, 2014
8563449 Non-woven material and method of making such material Oct. 22, 2013
8541323 Splittable conjugate fiber, aggregate thereof, and fibrous form made from splittable conjugate fibers Sep. 24, 2013
8524815 Non halogen flame retardant thermoplastic polyurethane Sep. 3, 2013
8513146 Scalloped oval bicomponent fibers with good wicking, and high uniformity spun yarns comprising such fibers Aug. 20, 2013
8502077 Electrical conductive element Aug. 6, 2013
8501317 Variable-airflow cloth, sound absorbing material, and vehicular part Aug. 6, 2013
8466205 Methods and systems for recycling carpet and carpets manufactured from recycled material Jun. 18, 2013
8460790 Nanofiber aggregate, polymer alloy fiber, hybrid fiber, fibrous structures, and processes for production of them Jun. 11, 2013
8435628 Continuous, carbon-nanotube-reinforced polymer precursors and carbon fibers 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
8410006 Composite filter media with high surface area fibers Apr. 2, 2013
8394296 Electroconductive fiber, a fiber complex including an electroconductive fiber and methods of manufacturing the same Mar. 12, 2013
8389426 Bicomponent fiber Mar. 5, 2013
8389100 Temperature responsive smart textile Mar. 5, 2013
8349438 Insulative material and associated method of forming same Jan. 8, 2013
8318304 Intumescent rod Nov. 27, 2012
8309478 Consolidated fibrous structure Nov. 13, 2012
8293364 Highly shrinkable fiber Oct. 23, 2012
8288116 Methods and compositions for isolating metastatic cancer cells, and use in measuring metastatic potential of a cancer thereof Oct. 16, 2012
8273424 Artificial grass field Sep. 25, 2012
8268444 Crimping composite fiber and fibrous mass comprising the same Sep. 18, 2012
8241748 High chroma optically variable color-shifting strand and woven products Aug. 14, 2012
8241747 Malodor absorbent polymer and fiber Aug. 14, 2012
8207070 Wettable polyolefin fibers and fabrics Jun. 26, 2012
8193108 Clad glass composition and mother glass rod for gradient-index rod lens formed using the same, gradient-index rod lens and method of manufacturing the same, rod lens array, and image processor Jun. 5, 2012
8187700 Continuous, carbon-nanotube-reinforced polymer precursors and carbon fibers May. 29, 2012
8178199 Nonwovens produced from multicomponent fibers May. 15, 2012
8173254 Polyester fiber, woven knit fabric, car seat and process for producing polyester fiber May. 8, 2012
8168003 Fiber comprising starch and a surfactant May. 1, 2012
8148122 Flat microfibers as matrices for cell growth Apr. 3, 2012
8147957 Consolidated fibrous structure Apr. 3, 2012
8147956 Hot-melt adhesive polyester conjugate fiber Apr. 3, 2012
8142889 Reinforcement composition and method thereof Mar. 27, 2012
8142873 Rod for supporting components in a fuselage cell structure of an aircraft Mar. 27, 2012
8142870 Energy responsive conformal device Mar. 27, 2012
8137811 Multicomponent taggant fibers and method Mar. 20, 2012
8137800 Porous multilayered hollow-fiber membrane and process for producing the same Mar. 20, 2012
8133593 Pre-form for and methods of forming a hollow-core slotted PBG optical fiber for an environmental sensor Mar. 13, 2012
8133584 Crystallized meta-aramid blends for flash fire and arc protection having improved comfort Mar. 13, 2012
8129019 High surface area fiber and textiles made from the same Mar. 6, 2012
8124549 Non-woven fabric Feb. 28, 2012
8114514 Reinforcement composition and method thereof Feb. 14, 2012
8084126 Thermoset resin fibres Dec. 27, 2011
8080300 Tape roll tab application method and article Dec. 20, 2011

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