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Class Information
Number: 264/54
Name: Plastic and nonmetallic article shaping or treating: processes > Pore forming in situ (e.g., foaming, etc.) > By gas forming or expanding > Chemical blowing
Description: Processes in which the voids are formed by the generation of gas by a chemical reaction of gas producing reactants or agents incorporated in the molding material.










Sub-classes under this class:

Class Number Class Name Patents
264/55 Plural or incremental expansion steps 94


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

Patent Number Title Of Patent Date Issued
8691127 Method for producing a composite component by multi-component injection molding Apr. 8, 2014
8691128 Expansion injection molding process and mold for expansion injection molding Apr. 8, 2014
8642668 Polymer-dispersed polyol and process for producing flexible polyurethane foam Feb. 4, 2014
8632706 Self-adhered single-sided slip-resistant material Jan. 21, 2014
8568632 Method of forming thermoplastic foams using nano-particles to control cell morphology Oct. 29, 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
8492446 Enhanced process for the production of expanded PVC and plastic materials based on expanded PVC obtained therewith Jul. 23, 2013
8480836 Double-sided slip-resistant material and method of making same Jul. 9, 2013
8475694 Shaped expandable material Jul. 2, 2013
8470216 Method for producing a composite material with improved adhesion between thermoplastics and polyurethane Jun. 25, 2013
8460475 Molded rotatable base for a porous pad Jun. 11, 2013
8344037 Resin composition for cross-linked foam molding, cross-linked foam molded article, and method for production of cross-linked foam molded article Jan. 1, 2013
8323787 Additive blend for enhancing water vapor permeability and increasing cell size in thermoplastic foams Dec. 4, 2012
8252094 Gas exchange membrane in particular for use in an artificial lung and method for the production of a gas exchange membrane of this type Aug. 28, 2012
8246873 Method and system for manufacturing foamed polyolefin tapes at cost effective line speeds Aug. 21, 2012
8236212 Method of forming a hardened skin on a surface of a molded article Aug. 7, 2012
8168096 Process for producing polystyrene foam particles having a high density May. 1, 2012
8092730 Molded rotatable base for a porous pad Jan. 10, 2012
8076381 Polyhydroxyalkanoate-based resin foamed particle, molded article comprising the same and process for producing the same Dec. 13, 2011
8017229 Polyurethane composite, its preparation and use Sep. 13, 2011
7977448 Method for producing highly condensed solid-phase polyesters Jul. 12, 2011
7837910 Method of forming a hardened skin on a surface of a molded article Nov. 23, 2010
7704437 Applicator for cosmetics Apr. 27, 2010
7556756 Production method of polyurethane foam molded article Jul. 7, 2009
7540985 Method of producing a polyurethane foam molded article Jun. 2, 2009
7459109 Method for manufacturing foam pads Dec. 2, 2008
7455798 Methods for producing low density products Nov. 25, 2008
7452585 Monolithic structures, methods of manufacture and composite structures Nov. 18, 2008
7446138 Wood particle filled polyvinyl chloride composites and their foams Nov. 4, 2008
7435365 Method of fabricating hollow foamed-rubber member Oct. 14, 2008
7390446 Foamed supramolecular polymers Jun. 24, 2008
7361294 Injection molding of polymeric material Apr. 22, 2008
7341683 Method of manufacturing foamed polyethylene films and related products Mar. 11, 2008
7329374 Method for manufacturing resing films Feb. 12, 2008
7288196 Plant matter packaging method Oct. 30, 2007
7273571 Molded table and its method of manufacture Sep. 25, 2007
7255819 Method of manufacturing game ball Aug. 14, 2007
7250124 Structural reinforcement article and process for preparation thereof Jul. 31, 2007
7250125 Method of fabricating foamed rubber member Jul. 31, 2007
7220374 Molded foam vehicle energy absorbing device and method of manufacture May. 22, 2007
7183020 Separator for battery and lithium ion battery using the same Feb. 27, 2007
7160939 Active masterbatch for production of CO2 generating masterbatch Jan. 9, 2007
7138079 Methods for making foamed elastomer gels Nov. 21, 2006
7094371 Porous synthetic bone graft and method of manufacture thereof Aug. 22, 2006
7052634 Method for making a foam sheet having ventilation holes May. 30, 2006
7052633 Method for manufacturing a transparent acrylic container having colored bubbles May. 30, 2006
7048879 Sheet-form structure of expandable thermoplastic resin, thermoplastic resin foam and methods for manufacturing thereof May. 23, 2006
7037453 Laminate of metal powder and foaming agent between two metal layers May. 2, 2006
7033528 Method for molding a synthetic pallet, composition and product by process Apr. 25, 2006

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