| |
 |
|
Class Information
Number: 521/59
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 > Expandible system contains two or more solid polymers or at least one solid polymer and at least one polymer-forming system
Description: Subject matter wherein two or more solid polymers are present during the cell-forming operation, or wherein, in addition to the solid particulate polymer, additional polymer-forming ingredients are present.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7423071 |
Polypropylene based resin composition, expanded moldings comprising the same and method for production thereof |
Sep. 9, 2008 |
| 7300960 |
Expandable polypropylene resin particle and molded object obtained therefrom by in-mold molding |
Nov. 27, 2007 |
| 6930132 |
Use of a polypropylene based composition for expanded beads |
Aug. 16, 2005 |
| 6908949 |
Foamable interpolymer resin particles containing limonene as a blowing aid |
Jun. 21, 2005 |
| 6903143 |
Process for producing thermo-expansive microcapsules |
Jun. 7, 2005 |
| 6872761 |
Compositions for acoustic-damping coatings |
Mar. 29, 2005 |
| 6811980 |
Process for immobilization of nucleic acid molecules on a substrate |
Nov. 2, 2004 |
| 6770681 |
Foamable copolymer resin and a method for preparing the same |
Aug. 3, 2004 |
| 6770682 |
Expandable styrene resin beads and foams produced therefrom |
Aug. 3, 2004 |
| 6767931 |
Foam compositions from blend of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic interpolymers |
Jul. 27, 2004 |
| 6756413 |
O/W aqueous thermosetting resin dispersion, FRP precision filter medium made with the aqueous dispersion, and process for producing the same |
Jun. 29, 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 |
| 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 |
| 6630422 |
Absorbent polymer material based on renewable starting materials |
Oct. 7, 2003 |
| 6617363 |
Method of producing thermally expansive microcapsule |
Sep. 9, 2003 |
| 6617364 |
Method for synthesizing thermo-expandable polymeric microspheres |
Sep. 9, 2003 |
| 6596782 |
Hydrous polyolefin resin composition, preexpanded particles produced therefrom, process for producing the same, and expanded molding |
Jul. 22, 2003 |
| 6593381 |
Uniformly dense polymeric foam body |
Jul. 15, 2003 |
| 6593383 |
Process for preparing polyolefin pre-expanded particles |
Jul. 15, 2003 |
| 6576693 |
Pre-expanded particles of polypropylene resin and inmolded foamed article using the same |
Jun. 10, 2003 |
| 6573308 |
Biologically degradable foamed material particles |
Jun. 3, 2003 |
| 6552095 |
Laminate, method for producing the same and thermoplastic foam adhesive |
Apr. 22, 2003 |
| 6541527 |
Process for preparing post-crosslinked polymer bead whose surface area and pore volume are increased |
Apr. 1, 2003 |
| 6509385 |
Trauma mitigation and pressure reducing composition |
Jan. 21, 2003 |
| 6502621 |
Processes for forming styrene/methyl methacrylate copolymers |
Jan. 7, 2003 |
| 6498199 |
Resilient cushion composition |
Dec. 24, 2002 |
| 6497269 |
Processes for forming styrenic copolymers |
Dec. 24, 2002 |
| 6476089 |
Expandable olefin bead polymers |
Nov. 5, 2002 |
| 6461550 |
Method for forming a uniformly dense polymer foam body |
Oct. 8, 2002 |
| 6448300 |
Expandable olefin bead polymers |
Sep. 10, 2002 |
| 6417240 |
Foams prepared from blends of syndiotactic polypropylenes and thermoplastic polymers |
Jul. 9, 2002 |
| 6384094 |
Method for producing expandable styrene polymers containing exfoliated graphite particles |
May. 7, 2002 |
| 6369120 |
Acoustical insulation foams |
Apr. 9, 2002 |
| 6360807 |
Processes for forming styrenic copolymers |
Mar. 26, 2002 |
| 6358580 |
Sealing material which swells when treated with water |
Mar. 19, 2002 |
| 6340713 |
Expandable styrene polymers containing graphite particles |
Jan. 22, 2002 |
| 6326409 |
In-mold foaming article of polypropylene resin composition |
Dec. 4, 2001 |
| 6316509 |
Process for reuse of vulcanized rubber |
Nov. 13, 2001 |
| 6313184 |
Expanded polypropylene resin beads and a molded article |
Nov. 6, 2001 |
| 6231795 |
Soft and flexible foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene i |
May. 15, 2001 |
| 6225366 |
Polyolefin foam materials of high dimensional stability at elevated temperatures |
May. 1, 2001 |
| 6221926 |
Expandable polystyrene resin beads, process for the preparation of them, and foam made by using the same |
Apr. 24, 2001 |
| 6214896 |
Water-containing polypropylene resin composition and pre-expanded particles made thereof |
Apr. 10, 2001 |
| 6187232 |
Acoustical insulation foams |
Feb. 13, 2001 |
| 6166096 |
Pre-expanded particles of polypropylene resin, process for producing the same and process for producing in-mold foamed articles therefrom |
Dec. 26, 2000 |
| 6139961 |
Hollow sphere organic pigment for paper or paper coatings |
Oct. 31, 2000 |
| 6133333 |
Soft and flexible foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene i |
Oct. 17, 2000 |
| 6130266 |
Pre-expanded particles of propylene resin, process for preparing the same and flow-restricting device |
Oct. 10, 2000 |
|
|
|
