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Browse by Category: Main > Material Science
Class Information
Number: 428/308.4
Name: Stock material or miscellaneous articles > Web or sheet containing structurally defined element or component > Composite having voids in a component (e.g., porous, cellular, etc.) > Void-containing component partially impregnated with adjacent component > Void-containing component is synthetic resin or natural rubbers
Description: Subject matter in which the void-containing component is identified as a synthetic resin composition and claimed as such, e.g., polyvinyl chloride, polyurethane, acrylonitrile-butadiene-styrene, etc.










Patents under this class:
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Patent Number Title Of Patent Date Issued
6607817 Melamine resin foam with excellent oil repellency Aug. 19, 2003
6596405 Antireflective porogens Jul. 22, 2003
6596407 Coated polyester film Jul. 22, 2003
6580015 Absorbent composition including an uncrosslinked polymer Jun. 17, 2003
6579948 Self-assembled sulfonated block copolymer semipermeable membrane and uses therefor Jun. 17, 2003
6579813 Oil application apparatus Jun. 17, 2003
6569789 Conductive material and its manufacture thereof May. 27, 2003
6565961 Absorbent articles May. 20, 2003
6562446 Multi-layer polymer electrolyte-membrane, electrochemical apparatus and process for the preparation of multi-layer polymer electrolyte membrane May. 13, 2003
6558784 Composite footwear upper and method of manufacturing a composite footwear upper May. 6, 2003
6558778 Layer having polymer matrix and small molecules May. 6, 2003
6555214 Resilient cushion Apr. 29, 2003
6544612 Injection hose and method of construction thereof Apr. 8, 2003
6544638 Electronic chip package Apr. 8, 2003
6541106 Hydrophilic polyurethane impregnated rubber for sealing water leaks Apr. 1, 2003
6537664 Cleaning sheet for a fuser member, a cleaning sheet supplier, and a cleaning apparatus Mar. 25, 2003
6534160 Semiconductor device having a thermoset-containing dielectric material and methods for fabricating the same Mar. 18, 2003
6518348 Carpet backing compounds thickened by hydrophobically-modified ethylene-oxide-based urethane block copolymers Feb. 11, 2003
6503607 Ink jet recording element Jan. 7, 2003
6497946 Diffuse reflective articles Dec. 24, 2002
6492013 Foam composite structure comprising a blend of polypropylene and homogeneous ethylene/alpha-olefin copolymer Dec. 10, 2002
6482504 Transfix component with layer having polymer matrix with small molecules and image forming apparatus with same Nov. 19, 2002
6479140 Radio wave absorbing materials, radio wave absorber, and radio wave anechoic chamber and the like made by using the same Nov. 12, 2002
6475937 Lightweight, thermoplastic, vehicle headliner having at least one integrally-formed, energy-absorbing, head-impact mechanism and injection molding method for making same Nov. 5, 2002
6458451 Flat composite body, especially a motor vehicle body element Oct. 1, 2002
6457917 Method of forming a light-weight, fiber-reinforced thermoplastic resin product and a light-weight molded product Oct. 1, 2002
6455147 Reaction injection-molded foam moldings Sep. 24, 2002
6455144 Oven cured structural foam with designed-in sag positioning Sep. 24, 2002
6451430 Polyurethane, foam-polyester composite structure and method Sep. 17, 2002
6444301 Labels Sep. 3, 2002
6406780 Process for coating foam Jun. 18, 2002
6403211 Liquid crystal polymer for flexible circuits Jun. 11, 2002
6393979 Thermosensitive stencil, production method thereof, thermosensitive stencil printing master making apparatus and thermosensitive stencil printing apparatus May. 28, 2002
6395383 Chemical protective covering May. 28, 2002
RE37701 Integral composite membrane May. 14, 2002
6387230 Composite membrane suitable for use in electrochemical devices May. 14, 2002
6383584 Azlactone-derivatized polyamides May. 7, 2002
6383612 Ink-drying agents for inkjet receptor media May. 7, 2002
6383608 Method for forming a foam product with enhanced fire resistance and product produced thereby May. 7, 2002
6383559 Anti-reflection film and display device having the same May. 7, 2002
6369293 Absorbent composition including an uncrosslinked polymer Apr. 9, 2002
6358599 Alkenyl aromatic polymer foam laminates Mar. 19, 2002
6350511 Melamine resin foam Feb. 26, 2002
6342652 Water-swellable crosslinked polymer, its composition, and their production processes and uses Jan. 29, 2002
6337120 Gasket for layer-built fuel cells and method for making the same Jan. 8, 2002
6337126 Floor covering Jan. 8, 2002
6322883 Uniaxially shrinkable biaxially oriented polypropylene film with HDPE skin Nov. 27, 2001
6319599 Phase change thermal control materials, method and apparatus Nov. 20, 2001
H2000 Method for making polyolefin/filler films having increased WVTR Nov. 6, 2001
6309986 Mat for dispensing volatile materials Oct. 30, 2001

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