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Class Information
Number: 521/149
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 ethylenically unsaturated reactants only > From oxygen containing reactant
Description: Subject matter wherein a solid polymer is derived from at least one reactant containing an oxygen atom.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7425583 |
Ion exchanger |
Sep. 16, 2008 |
| 7378453 |
Surface crosslinking treatment method of water-absorbing resin powder |
May. 27, 2008 |
| 7361693 |
Low density polymer beads |
Apr. 22, 2008 |
| 7271202 |
Reactive hot melt adhesive |
Sep. 18, 2007 |
| 7265160 |
Crosslinked biodegradable resin continuous foamed sheet and method for production thereof |
Sep. 4, 2007 |
| 7214724 |
Method for cross-linking a foamable plastic |
May. 8, 2007 |
| 7198844 |
Microporous polymeric resin containing stabilizers and method for making thereof |
Apr. 3, 2007 |
| 7179845 |
Elastomeric latex foams |
Feb. 20, 2007 |
| 7175910 |
Absorbent cores for absorbent diapers having reduced thickness and improved liquid handling and retention performance and comprising a super absorbent polymer |
Feb. 13, 2007 |
| 7176247 |
Interpenetrating polymer network |
Feb. 13, 2007 |
| 7173066 |
Ion exchanger |
Feb. 6, 2007 |
| 7153890 |
Porous resin bead production method |
Dec. 26, 2006 |
| 7056957 |
Formation of strong superporous hydrogels |
Jun. 6, 2006 |
| 7026364 |
Ion exchanger |
Apr. 11, 2006 |
| 6960619 |
Foamable photo-polymerized composition |
Nov. 1, 2005 |
| 6960617 |
Hydrogels having enhanced elasticity and mechanical strength properties |
Nov. 1, 2005 |
| 6930133 |
Low density polymer beads |
Aug. 16, 2005 |
| 6878754 |
Heat-induced gelling foaming composition and foam obtained |
Apr. 12, 2005 |
| 6872756 |
Foam comprising ethylene/vinyl acetate copolymer |
Mar. 29, 2005 |
| 6852764 |
Blend for masterbatches |
Feb. 8, 2005 |
| 6841580 |
Organic porous material, process for manufacturing the same, and organic porous ion exchanger |
Jan. 11, 2005 |
| 6822012 |
Peelable polymeric coating composition |
Nov. 23, 2004 |
| 6806298 |
Sprayable composition and method for forming a foamed outdoor protective cover layer |
Oct. 19, 2004 |
| 6800668 |
Syntactic deformable foam compositions and methods for making |
Oct. 5, 2004 |
| 6797738 |
Open pore biodegradable matrices |
Sep. 28, 2004 |
| 6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom |
Sep. 7, 2004 |
| 6777454 |
Vesiculated polyester granules |
Aug. 17, 2004 |
| 6759080 |
Process for making foams by photopolymerization of emulsions |
Jul. 6, 2004 |
| 6720361 |
Foamable thermoplastic elastomer composition and method of producing the same |
Apr. 13, 2004 |
| 6713522 |
Peelable foam coating composition |
Mar. 30, 2004 |
| 6703432 |
Moisture adsorbing and desorbing material |
Mar. 9, 2004 |
| 6703431 |
Flexible open-celled microcellular polymer foams |
Mar. 9, 2004 |
| 6689836 |
Process for the preparation of thermoprecipitating affinity polymers |
Feb. 10, 2004 |
| 6689465 |
Porous beads and process for producing the same |
Feb. 10, 2004 |
| 6670405 |
Method for producing block-shaped polymethacrylimide foamed materials |
Dec. 30, 2003 |
| 6666998 |
Method and device for producing at least partially open-celled foam films from styrene polymers |
Dec. 23, 2003 |
| 6642284 |
Flame-retardant coating |
Nov. 4, 2003 |
| 6638984 |
Microcellular foams, their method of production, and uses and products thereof |
Oct. 28, 2003 |
| 6632361 |
Shaped objects for pyrogen retention and processes for their manufacture |
Oct. 14, 2003 |
| 6620889 |
Powdery, crosslinked absorbent polymers, method for the production thereof, and their use |
Sep. 16, 2003 |
| 6617364 |
Method for synthesizing thermo-expandable polymeric microspheres |
Sep. 9, 2003 |
| 6579910 |
Methods for manufacturing foam material including systems with pressure restriction element |
Jun. 17, 2003 |
| 6573305 |
Foams made by photopolymerization of emulsions |
Jun. 3, 2003 |
| 6569911 |
Manufacturing method and article produced by the method |
May. 27, 2003 |
| 6559194 |
Polyolefin products and process additives therefor having reduced transfer to substrates |
May. 6, 2003 |
| 6550508 |
Rubber composition for tire tread having high performance on ice and pneumatic tire using the same |
Apr. 22, 2003 |
| 6541529 |
Polymer composition for powder foam molding, powder thereof, foam obtained therefrom, process for producing the same, and molded article comprising the foam |
Apr. 1, 2003 |
| 6541527 |
Process for preparing post-crosslinked polymer bead whose surface area and pore volume are increased |
Apr. 1, 2003 |
| 6528551 |
Process for manufacturing composite thermal insulating systems by means of an organic adhesive of filler material |
Mar. 4, 2003 |
| 6509386 |
Porous insulating compounds and method for making same |
Jan. 21, 2003 |
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