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Class Information
Number: 521/140
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Cellular products or processes of preparing a cellular product, e.g., foams, pores, channels, etc. > Cellular product derived from two or more solid polymers or from at least one solid polymer and at least one polymer-forming system > At least one polymer is derived from reactant containing two or more ethylenic groups or wherein the polymer-forming system contains the same type of reactant
Description: Subject matter wherein at least one of the polymers is derived from a reactant containing two or more ethylenic groups.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7439276 |
Froth and durable foam of dispersed olefin polymers, methods of making foam and articles prepared from same |
Oct. 21, 2008 |
| 7423071 |
Polypropylene based resin composition, expanded moldings comprising the same and method for production thereof |
Sep. 9, 2008 |
| 7358282 |
Low-density, open-cell, soft, flexible, thermoplastic, absorbent foam and method of making foam |
Apr. 15, 2008 |
| 7294654 |
Method of making thermally regenerable salt sorbent resins |
Nov. 13, 2007 |
| 7222380 |
Tear resistant gels, composites, and cushion articles |
May. 29, 2007 |
| 7179845 |
Elastomeric latex foams |
Feb. 20, 2007 |
| 7176247 |
Interpenetrating polymer network |
Feb. 13, 2007 |
| 7173070 |
Foam cushion and method of making and using the same |
Feb. 6, 2007 |
| 7144925 |
Fire resistance acoustic foam |
Dec. 5, 2006 |
| 7115673 |
Photosensitive resin composition, porous resin, circuit board, and wireless suspension board |
Oct. 3, 2006 |
| 7056957 |
Formation of strong superporous hydrogels |
Jun. 6, 2006 |
| 6903143 |
Process for producing thermo-expansive microcapsules |
Jun. 7, 2005 |
| 6890965 |
Foamed composites and methods for making same |
May. 10, 2005 |
| 6841582 |
Thermoplastic elastomer composition, foam made from the same, and process for producing foam |
Jan. 11, 2005 |
| 6818676 |
Foam cushion and method of making and using the same |
Nov. 16, 2004 |
| 6814892 |
Ethylene propylene rubber foam and image formation equipment |
Nov. 9, 2004 |
| 6812263 |
Polyvinyl chloride-based elements for floor cleaning units |
Nov. 2, 2004 |
| 6790870 |
Methods of making foamed materials of blended thermoplastic polymers using carbon dioxide |
Sep. 14, 2004 |
| 6784216 |
ABS foam and method of making same |
Aug. 31, 2004 |
| 6770682 |
Expandable styrene resin beads and foams produced therefrom |
Aug. 3, 2004 |
| 6750265 |
Prepolymer compostion for insulating foams |
Jun. 15, 2004 |
| 6720364 |
Elastomeric composition for preparing olefinic elastomer crosslinked foam and use thereof |
Apr. 13, 2004 |
| 6720363 |
Preparation of a macrocellular acoustic foam |
Apr. 13, 2004 |
| 6716931 |
Vulcanized solid rubber |
Apr. 6, 2004 |
| 6653360 |
Flexible foamed polyethylene |
Nov. 25, 2003 |
| 6635727 |
Ethylene copolymer rubber, process for producing the same, and use |
Oct. 21, 2003 |
| 6632531 |
Porous particles, their aqueous dispersions, and method of preparation |
Oct. 14, 2003 |
| 6613811 |
Microcellular thermoplastic elastomeric structures |
Sep. 2, 2003 |
| 6579473 |
Ethylene propylene rubber foam and image formation equipment |
Jun. 17, 2003 |
| 6576332 |
Thermoplastic resin structure |
Jun. 10, 2003 |
| 6573305 |
Foams made by photopolymerization of emulsions |
Jun. 3, 2003 |
| 6552095 |
Laminate, method for producing the same and thermoplastic foam adhesive |
Apr. 22, 2003 |
| 6548562 |
Foamed thermo-elastic article |
Apr. 15, 2003 |
| 6458863 |
Vibration damping, resinous, open cell cellular bodies |
Oct. 1, 2002 |
| 6455602 |
High-speed processable cellular insulation material with enhanced foamability |
Sep. 24, 2002 |
| 6451876 |
Two component thermosettable compositions useful for producing structural reinforcing adhesives |
Sep. 17, 2002 |
| 6451865 |
Foam composition comprising oil, thermoplastic elastomer and expandable particles |
Sep. 17, 2002 |
| 6444713 |
Foaming compositions and methods for making and using the compositions |
Sep. 3, 2002 |
| 6408593 |
Shingle composition |
Jun. 25, 2002 |
| 6384290 |
Oil-extended copolymers for sponge |
May. 7, 2002 |
| 6348535 |
Thermoplastic elastomer composition powder, powder molding process with the same, and moldings |
Feb. 19, 2002 |
| 6329439 |
Extrusion of a foamable melt consisting of mixed polyolefin and rubber copolymer |
Dec. 11, 2001 |
| 6319577 |
Sheets, films, fibers foams or latices prepared from blends of substantially random interpolymers |
Nov. 20, 2001 |
| 6316509 |
Process for reuse of vulcanized rubber |
Nov. 13, 2001 |
| 6316511 |
Polyethylene closure for a container |
Nov. 13, 2001 |
| 6310112 |
Hydrogenated vinyl aromatic polymer foams |
Oct. 30, 2001 |
| 6271278 |
Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strength, and superabsorbent properties |
Aug. 7, 2001 |
| 6262138 |
Extrusion-foamed board of resin blend comprising modified polypropylene resin and polystyrene resin |
Jul. 17, 2001 |
| 6262137 |
Polymer articles including maleic anhydride and ethylene-vinyl acetate copolymers |
Jul. 17, 2001 |
| 6242502 |
Foamed thermo-elastic article |
Jun. 5, 2001 |
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