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

Patent Number Title Of Patent Date Issued
5266396 Expanded polystyrene foam articles produced from used polystyrene materials Nov. 30, 1993
5258212 Integral packing/covering member for hard-disc unit Nov. 2, 1993
5252139 Photovoltaic thin layers panel structure Oct. 12, 1993
5238735 Microporous shaped article and process for preparation thereof Aug. 24, 1993
5230940 Formable sheet-form textile material for lining noise-affected rooms and process for its preparation Jul. 27, 1993
5219648 Stampable sheet shaped-product, process for producing the same, and use of the same as sound-absorbing and heat-insulating material Jun. 15, 1993
5217802 Hydrophobic polymeric membrane composites Jun. 8, 1993
5209965 Internally coated webs May. 11, 1993
5188879 Polyimide foam filled structures Feb. 23, 1993
5186999 Sandwich material provided with a local reinforcement Feb. 16, 1993
5186996 Sound damping multi-layer structure Feb. 16, 1993
5182150 Composite sphere for a motion base simulator Jan. 26, 1993
5178940 Composite or asymmetric fluorine-containing polyimide membrane, a process for manufacturing the same and a method for the separation and concentration of gas using the same Jan. 12, 1993
5167995 Low temperature shock resistant release liner Dec. 1, 1992
5164256 Porous slide bearing and method for manufacturing the same Nov. 17, 1992
5141794 Superabsorbent article having relatively thin liquid absorbent portion Aug. 25, 1992
5134017 Foam coated protective apparel fabric Jul. 28, 1992
5130175 Polyurethane-polyisocyanurate structural rim systems with enhanced processing Jul. 14, 1992
5130176 Joint sealant Jul. 14, 1992
5126182 Drapable, water vapor permeable, wind and water resistant composite fabric and method of manufacturing same Jun. 30, 1992
5126189 Hydrophobic microporous membrane Jun. 30, 1992
5118555 Composite article Jun. 2, 1992
5116650 Dioxole/TFE copolymer composites May. 26, 1992
5109031 Rigid foam with improved "K" factor by reacting a polyisocyanate and polyester polyol containing low free glycol Apr. 28, 1992
5102716 Embossed and wiped decorative surface coverings Apr. 7, 1992
5098779 Carvable implant material Mar. 24, 1992
5098778 Plastic based laminates comprising outer fiber-reinforced thermoset sheets, lofted fiber-reinforced thermoplastic sheets and a foam core layer Mar. 24, 1992
5096760 Covered soft foam article Mar. 17, 1992
5094895 Composite, porous diaphragm Mar. 10, 1992
5090405 Water-hardening polymer preparations Feb. 25, 1992
5091247 Woven geotextile grid Feb. 25, 1992
5091436 Reinforced foam composites comprising hydroxy-containing vinyl ester resin Feb. 25, 1992
5089328 Panel and method of making the same Feb. 18, 1992
5084360 Packaging materials Jan. 28, 1992
5082716 Headliner Jan. 21, 1992
5077119 Fabric conditioning Dec. 31, 1991
5075162 Molded laminated article of cross-linked polyolifine foam Dec. 24, 1991
5073429 Door panel Dec. 17, 1991
5064698 Food packaging improvements Nov. 12, 1991
5064873 Rigid foam with improved "k" factor by reacting a polyisocyanate prepolymer and polyester polyol containing low free glycol Nov. 12, 1991
5060291 Foam composite and method of forming same Oct. 22, 1991
5037690 Shaped product comprising a thermoset, foamed, plastics sheet material reinforced with coherent natural-fibre material, and a process for making the shaped product Aug. 6, 1991
5019434 Molded slow-release air freshener May. 28, 1991
5017424 Skin tight chemical/biological protective suit May. 21, 1991
5017420 Process for preparing electrically conductive shaped articles from polybenzimidazoles May. 21, 1991
5013601 Self-supporting sheet-like article with superior antistatic characteristics May. 7, 1991
5004643 Silicone polymer-internally coated webs Apr. 2, 1991
4997688 Covering sheet material Mar. 5, 1991
4996090 Door panel Feb. 26, 1991
4983443 Embossed and wiped decorative surface coverings Jan. 8, 1991

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