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Browse by Category: Main > Material Science
Class Information
Number: 264/51
Name: Plastic and nonmetallic article shaping or treating: processes > Pore forming in situ (e.g., foaming, etc.) > By gas forming or expanding
Description: Processes wherein the voids are formed or enlarged by occluded gas which may be generated or expanded.










Sub-classes under this class:

Class Number Class Name Patents
264/54 Chemical blowing 675
264/53 Liquid to gas phase change 845
264/52 Utilizing expansion retarder 58


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
8691126 Method of fabricating an injection molded component Apr. 8, 2014
8691128 Expansion injection molding process and mold for expansion injection molding Apr. 8, 2014
8679385 Method of forming porous ceramic articles using inert gas Mar. 25, 2014
8677600 Methods of dispensing and making porous material with growth enhancing element Mar. 25, 2014
8658054 Mixture for preventing surface stains Feb. 25, 2014
8652369 Process for producing molded silicone rubber sponge Feb. 18, 2014
8641944 Synthetic yarn Feb. 4, 2014
8636929 Nanoporous foamed active compound-containing preparations based on pharmaceutically acceptable thermoplastically workable polymers Jan. 28, 2014
8632706 Self-adhered single-sided slip-resistant material Jan. 21, 2014
8628707 System and method for making carbon foam anodes Jan. 14, 2014
8585946 Method for making heat-insulative paper containers and the products Nov. 19, 2013
8568632 Method of forming thermoplastic foams using nano-particles to control cell morphology Oct. 29, 2013
8568633 Elastic particle foam based on polyolefin/styrene polymer mixtures Oct. 29, 2013
8568125 Roll fed flotation/impingement air ovens and related thermoforming systems for corrugation-free heating and expanding of gas impregnated thermoplastic webs Oct. 29, 2013
8546458 Process for texturing materials Oct. 1, 2013
8536241 (Meth)acryloyl pressure-sensitive foam adhesives Sep. 17, 2013
8535598 Method of forming hollow foam moldings Sep. 17, 2013
8535584 Method of manufacturing an automotive interior member Sep. 17, 2013
8529808 Nanoporous polymer foams Sep. 10, 2013
8529812 Production of pearls based on expanded polymers Sep. 10, 2013
8529817 Stretched thermoplastic resin foam sheet and process for production of the same Sep. 10, 2013
8524792 Deformable, rigid polystyrene foam board Sep. 3, 2013
8492446 Enhanced process for the production of expanded PVC and plastic materials based on expanded PVC obtained therewith Jul. 23, 2013
8487012 Open celled foams, implants including them and processes for making same Jul. 16, 2013
8480836 Double-sided slip-resistant material and method of making same Jul. 9, 2013
8475693 Methods of making substrate structures having a weakened intermediate layer Jul. 2, 2013
8476327 Extruded polymer foam process with staged forming Jul. 2, 2013
8470216 Method for producing a composite material with improved adhesion between thermoplastics and polyurethane Jun. 25, 2013
8398904 Microcellular foam of thermoplastic resin prepared with die having improved cooling property and method for preparing the same Mar. 19, 2013
8377351 Polishing pad with controlled void formation Feb. 19, 2013
8361363 Foam board of polyolefin resin and method for its production Jan. 29, 2013
8357319 Foaming methods for making cellular thermoplastic materials Jan. 22, 2013
8329294 Styrene-modified polypropylene type resin particle, foamable styrene-modified polypropylene type resin particle, styrene-modified polypropylene type resin foamed particle, styrene-modified pol Dec. 11, 2012
8314161 Deformable, rigid polystyrene foam board Nov. 20, 2012
8298447 Conductive paste, printed circuit board, and manufacturing method thereof Oct. 30, 2012
8273275 Manufacturing method and manufacturing apparatus for hollow structure of image display element Sep. 25, 2012
8246873 Method and system for manufacturing foamed polyolefin tapes at cost effective line speeds Aug. 21, 2012
8221663 Method of making cellulosic filled thermoplastic composites of an anhydride containing copolymer Jul. 17, 2012
8221844 Wallpaper for use in an automobile and a method for making same Jul. 17, 2012
8206626 Method for producing nanoporous molded parts Jun. 26, 2012
8173717 Silicone foams, process to make them and applications thereof May. 8, 2012
8168096 Process for producing polystyrene foam particles having a high density May. 1, 2012
8137600 Injection molding of polymeric material Mar. 20, 2012
8092626 Foaming methods for making cellular thermoplastic materials Jan. 10, 2012
8088835 Method for producing expansion-molded polypropylene-based resin article Jan. 3, 2012
8080194 Methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls or sheets Dec. 20, 2011
8071175 Method of fabricating a foam play article Dec. 6, 2011
8063177 Pre-expanded polypropylene resin particle, and method for production thereof Nov. 22, 2011
8062564 Method of producing a plate-shaped structure, in particular, from silicon, use of said method and plate-shaped structure thus produced, in particular from silicon Nov. 22, 2011
8048349 Method for the preparation of foamed and crosslinked rubber Nov. 1, 2011

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