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Browse by Category: Main > Material Science
Class Information
Number: 428/221
Name: Stock material or miscellaneous articles > Web or sheet containing structurally defined element or component
Description: Product comprising a single or plural layer* web*, or sheet* which contains a component* or an element* (e.g., fiber*, strand*, filament*, particle*, etc.), the size or some structural feature of which is claimed, (e.g., orientation or relation to another element or component, bond at intersecting points, weave or knit, cellularity or porosity, etc.).










Sub-classes under this class:

Class Number Class Name Patents
428/343 Adhesive outermost layer 2,379
428/320.2 Composite having a component wherein a constituent is liquid or is contained within preformed walls (e.g., impregnant-filled, previously void containing component, etc.) 270
428/304.4 Composite having voids in a component (e.g., porous, cellular, etc.) 1,803
428/222 Embodying intertwined or helical component(s) 301
428/323 Including a second component containing structurally defined particles 3,903
428/223 Including interlaminar mechanical fastener 222
428/292.1 Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity 369
428/332 Physical dimension specified 2,421
428/340 Weight per unit area specified (e.g., gms/sq cm, lbs/sq ft, etc.) 531


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8704423 Asymmetric dielectric elastomer composite material Apr. 22, 2014
8686108 Aluminum chelate latent curing agent and production method thereof Apr. 1, 2014
8679419 Sterile packing and sterilization method using this packing Mar. 25, 2014
8663426 Method for producing cellulose-fiber flat structure Mar. 4, 2014
8641868 Inorganic fiber paper and method of producing the same Feb. 4, 2014
8642167 Continuous carbon-nanotube-reinforced polymer precursors and carbon fibers Feb. 4, 2014
8628837 Composite and methods of making and using the same Jan. 14, 2014
8617670 Emblem assembly and method of forming same Dec. 31, 2013
8617671 Emblem assembly and method of forming same Dec. 31, 2013
8608905 Method for producing fiber product Dec. 17, 2013
8604129 Sheet materials containing S-B-S and S-I/B-S copolymers Dec. 10, 2013
8580374 Resin molded body Nov. 12, 2013
8568876 Nanowire fabrication Oct. 29, 2013
8568874 Fibers and yarns from a fluorinated polyester blend Oct. 29, 2013
8568871 Mono-layer and multi-layer nanowire networks Oct. 29, 2013
8563113 Multi-laminate hermetic barriers and related structures and methods of hermetic sealing Oct. 22, 2013
8535791 Aligned carbon nanotube-polymer materials, systems and methods Sep. 17, 2013
8518526 Structures with three dimensional nanofences comprising single crystal segments Aug. 27, 2013
8518525 Polyimide nanoweb with amidized surface and method for preparing Aug. 27, 2013
8518207 Waterproof breathable fabric and method of making the same Aug. 27, 2013
8507079 Structural color body Aug. 13, 2013
8507072 Antenna apparatus Aug. 13, 2013
8481653 Biodegradable aliphatic-aromatic copolyester Jul. 9, 2013
8476109 Semiconductor workpiece carriers and methods for processing semiconductor workpieces Jul. 2, 2013
8476378 Biodegradable aliphatic-aromatic polyesters Jul. 2, 2013
8466237 Biodegradable aliphatic-aromatic polyester Jun. 18, 2013
8460690 Process for deterring and training pets Jun. 11, 2013
8461273 Biodegradable aliphatic-aromatic copolyester Jun. 11, 2013
8454790 Method of manufacturing a hard wood strand product Jun. 4, 2013
8449959 Reinforced polymeric articles May. 28, 2013
8440294 Structural color body May. 14, 2013
8435628 Continuous, carbon-nanotube-reinforced polymer precursors and carbon fibers May. 7, 2013
8411044 Touch panel, method for making the same, and display device adopting the same Apr. 2, 2013
8398821 Fibrous structures comprising a low surface energy additive Mar. 19, 2013
8394490 Structural color body Mar. 12, 2013
8389772 Aldehydes containing hydroxl groups Mar. 5, 2013
8389114 Ultrahydrophobic substrates Mar. 5, 2013
8375656 Insulating sheet and refrigerated trailer components formed from same Feb. 19, 2013
8361616 Water re-dissolvable adhesive Jan. 29, 2013
8357444 Visual effects screen Jan. 22, 2013
8349065 Asphalt-mineral compositions Jan. 8, 2013
8333830 Composites of repeat sequence proteins and their preparation Dec. 18, 2012
8334046 Overmolded polyamide composite structures and processes for their preparation Dec. 18, 2012
8329477 Method and system for controllably releasing solutions Dec. 11, 2012
8314037 Fluoropolymer emulsions Nov. 20, 2012
8308861 Phase change material compositions Nov. 13, 2012
8293360 Baffle Oct. 23, 2012
8277932 Membranes, methods of making membranes, and methods of separating gases using membranes Oct. 2, 2012
8268395 Method for providing resistance to biofouling in a porous support Sep. 18, 2012
8268430 Manufactured wood product Sep. 18, 2012

1 2 3 4 5 6 7 8 9 10 11 12 13










 
 
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