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Class Information
Number: 428/320.2
Name: Stock material or miscellaneous articles > Web or sheet containing structurally defined element or component > Composite having a component wherein a constituent is liquid or is contained within preformed walls (e.g., impregnant-filled, previously void containing component, etc.)
Description: Subject matter consisting of at least two components, at least one of which contains liquid or has a constituent trapped inside walls made before combination with the other constituent.

Sub-classes under this class:

Class Number Class Name Patents
428/321.1 Constituent is in liquid form 124
428/322.7 Differentially filled foam, filled plural layers, or filled layer with coat of filling material 92
428/322.2 Indefinite plurality of similar impregnated thin sheets (e.g., "decorative laminate" type, etc.) 52

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8651850 Clip integration of pressure tube mold cores into hardened omega-stringers for the production of stiffened fiber composite skin shells, in particular for aeronautics and astronautics Feb. 18, 2014
8580374 Resin molded body Nov. 12, 2013
8518531 Self healing metals and alloys--including structural alloys and self-healing solders Aug. 27, 2013
8512856 Method for producing wiring board and wiring board Aug. 20, 2013
8507079 Structural color body Aug. 13, 2013
8501305 Laminate Aug. 6, 2013
8497021 Superoleophilic particles and coatings and methods of making the same Jul. 30, 2013
8481152 Refractory material with improved resistance to molten slag Jul. 9, 2013
8475890 Colored material coated transparent chip for artificial stone, method of preparing same, and artificial stone including same Jul. 2, 2013
8465669 Monolith separation medium for chromatography and process for producing the same Jun. 18, 2013
8460791 Polyelectrolyte-modified microcapsules Jun. 11, 2013
8455091 Method for introduction of filling materials in liquid form into porous bodies Jun. 4, 2013
8440294 Structural color body May. 14, 2013
8415411 Filler composition Apr. 9, 2013
8394490 Structural color body Mar. 12, 2013
8313825 Curable resin films Nov. 20, 2012
8309210 Printed wiring board pad cratering inhibitor Nov. 13, 2012
8273208 Structural composite laminate, and process of making same Sep. 25, 2012
8216668 Resin composition, insulating sheet with base, prepreg, multilayer printed wiring board and semiconductor device Jul. 10, 2012
8187696 Circuit materials, circuits laminates, and method of manufacture thereof May. 29, 2012
8158239 Identification medium Apr. 17, 2012
8153229 Epoxy resin composition for fiber-reinforced composite material Apr. 10, 2012
8142875 Epoxy resin composition for fiber-reinforced composite material Mar. 27, 2012
8137786 Epoxy resin composition for fiber-reinforced composite material Mar. 20, 2012
8114517 Micronetworks, microchannels/cylinders and the process for making the same Feb. 14, 2012
8110071 Papers providing great fat and oil penetration resistance, and method for the production thereof Feb. 7, 2012
8084119 Mobile phone shell and method of manufacturing the same Dec. 27, 2011
8071011 Method of introduction of filling materials in liquid form into porous bodies Dec. 6, 2011
8053070 Optical film having graded refractive index and method of manufacturing the same Nov. 8, 2011
8021742 Impact resistant thermal barrier coating system Sep. 20, 2011
8016979 Chemical solution-containing thin paper Sep. 13, 2011
7982322 Liquid resin composition for electronic part sealing, and electronic part apparatus utilizing the same Jul. 19, 2011
7968177 Anti-glare optical multilayer body Jun. 28, 2011
7947364 Energy-attenuation structure May. 24, 2011
7824617 Assembly comprising J aggregates Nov. 2, 2010
7785699 Electrostatically charged porous water-impermeable absorbent laminate for protecting work surfaces from contamination Aug. 31, 2010
7742307 High performance power device Jun. 22, 2010
7704596 Subsurface inclusion of fugitive objects and methodology for strengthening a surface bond in a hybrid ceramic matrix composite structure Apr. 27, 2010
7611767 Foot warming heating element and method of manufacturing foot warming heating element Nov. 3, 2009
7608312 Printed antifog film Oct. 27, 2009
7597954 Supersaturated solutions using crystallization enthalpy to impact temperature change to wet wipes Oct. 6, 2009
7560157 Adhesive composition and glass plate with thermoplastic elastomer molding Jul. 14, 2009
7534471 Treatment of porous article May. 19, 2009
7524555 Pre-finished and durable building material Apr. 28, 2009
7517582 Supersaturated solutions using crystallization enthalpy to impart temperature change to wet wipes Apr. 14, 2009
7479314 High-pressure, fluid storage tanks Jan. 20, 2009
7323245 Electric connecting part Jan. 29, 2008
7306836 Black food containers Dec. 11, 2007
7250209 Transparent composite composition Jul. 31, 2007
7132156 Preform for composite material and aluminum composite material having the preform for composite material and a manufacturing method of the same Nov. 7, 2006

1 2 3 4 5 6

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