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Class Information
Number: 521/56
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. > Particle which is expandible, process of preparing an expandible particle, or process of expanding a particle to form a cellular product
Description: Subject matter wherein a cellular product is produced from a particle.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7456227 |
Polymer particles and related articles |
Nov. 25, 2008 |
| 7378453 |
Surface crosslinking treatment method of water-absorbing resin powder |
May. 27, 2008 |
| 7358280 |
Process for processing expandable polymer particles and foam article thereof |
Apr. 15, 2008 |
| 7351752 |
Thermo-expansive microspheres, their production process and their application |
Apr. 1, 2008 |
| 7323540 |
Process for preparing microrods using liquid-liquid dispersion |
Jan. 29, 2008 |
| 7300960 |
Expandable polypropylene resin particle and molded object obtained therefrom by in-mold molding |
Nov. 27, 2007 |
| 7294655 |
Coating composition for thermoplastic resin particles for forming foam containers |
Nov. 13, 2007 |
| 7279504 |
Expandable vinylaromatic polymers and process for their preparation |
Oct. 9, 2007 |
| 7271202 |
Reactive hot melt adhesive |
Sep. 18, 2007 |
| 7259189 |
Expanded polypropylene resin beads and process for the production thereof |
Aug. 21, 2007 |
| 7252882 |
Thermally foamable microsphere and production process thereof |
Aug. 7, 2007 |
| 7241816 |
Expandable styrene resin particles, expandable beads, and foamed article |
Jul. 10, 2007 |
| 7232607 |
Thermally foamable microsphere and production process thereof |
Jun. 19, 2007 |
| 7202284 |
Foamed thermoplastic polyurethanes |
Apr. 10, 2007 |
| 7198844 |
Microporous polymeric resin containing stabilizers and method for making thereof |
Apr. 3, 2007 |
| 7175728 |
Heat-peelable adhesive sheet |
Feb. 13, 2007 |
| 7153890 |
Porous resin bead production method |
Dec. 26, 2006 |
| 7132485 |
Dosing of peroxide to a suspension process wherein styrene is polymerized |
Nov. 7, 2006 |
| 7091253 |
Water-absorbent resin, hydropolymer, process for producing them, and uses of them |
Aug. 15, 2006 |
| 7067030 |
Heat-peelable adhesive sheet |
Jun. 27, 2006 |
| 7022745 |
Process for forming solid pressure sensitive adhesive polymer microspheres |
Apr. 4, 2006 |
| 6984347 |
Thermo-expansive microcapsules and their application |
Jan. 10, 2006 |
| 6956067 |
Expanded polypropylene resin bead and process of producing same |
Oct. 18, 2005 |
| 6943223 |
Controlled shear and turbulence flow pattern within a liquid in a vessel |
Sep. 13, 2005 |
| 6903143 |
Process for producing thermo-expansive microcapsules |
Jun. 7, 2005 |
| 6841106 |
Foamed polyester resin molding and process for producing the same |
Jan. 11, 2005 |
| 6838488 |
Production method of foamed polypropylene resin beads |
Jan. 4, 2005 |
| 6803495 |
Polyurethane foam composition and method of manufacture thereof |
Oct. 12, 2004 |
| 6800669 |
Propylene copolymer foams |
Oct. 5, 2004 |
| 6797734 |
Polypropylene resin pre-expanded particle and in-mold expanded article thereof |
Sep. 28, 2004 |
| 6797733 |
Expandable styrene resin particles, expandable beads, and foamed article |
Sep. 28, 2004 |
| 6784215 |
Production process of non-flying plastic mircoballoons |
Aug. 31, 2004 |
| 6783710 |
Method for the production of expandable plastics granulate |
Aug. 31, 2004 |
| 6770681 |
Foamable copolymer resin and a method for preparing the same |
Aug. 3, 2004 |
| 6743846 |
Preparation of flame retardant expandable poly(arylene ether)/polystyrene compositions |
Jun. 1, 2004 |
| 6716894 |
Water-absorbent resin powder and its production process and uses |
Apr. 6, 2004 |
| 6716914 |
Compatible linear and branched ethylenic polymers and foams therefrom |
Apr. 6, 2004 |
| 6710130 |
Propylene polymer composition and its foam moldings |
Mar. 23, 2004 |
| 6710094 |
Processes for preparing patterns for use in metal castings |
Mar. 23, 2004 |
| 6689465 |
Porous beads and process for producing the same |
Feb. 10, 2004 |
| 6686400 |
Foamed and expanded beads of polyester-based resin and foam molding obtained therefrom |
Feb. 3, 2004 |
| 6677040 |
Expanded polypropylene particles |
Jan. 13, 2004 |
| 6673847 |
Water immiscible porogen removal process |
Jan. 6, 2004 |
| 6673451 |
Process for forming an aqueous polymeric dispersion |
Jan. 6, 2004 |
| 6638984 |
Microcellular foams, their method of production, and uses and products thereof |
Oct. 28, 2003 |
| 6635203 |
Composite polymeric material having high resistance to impact energy |
Oct. 21, 2003 |
| 6632531 |
Porous particles, their aqueous dispersions, and method of preparation |
Oct. 14, 2003 |
| 6627668 |
Process for preparing polyolefin pre-expanded particles |
Sep. 30, 2003 |
| 6617364 |
Method for synthesizing thermo-expandable polymeric microspheres |
Sep. 9, 2003 |
| 6617363 |
Method of producing thermally expansive microcapsule |
Sep. 9, 2003 |
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