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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:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8633257 Bio-based foam from natural oils Jan. 21, 2014
8557884 To enhance the thermal insulation of polymeric foam by reducing cell anisotropic ratio and the method for production thereof Oct. 15, 2013
8541482 Removable multilayer nail coating system and methods therefore Sep. 24, 2013
8492454 Removable color layer for artificial nail coatings and methods therefore Jul. 23, 2013
8487013 Production method of porous resin particle having hydroxyl group Jul. 16, 2013
8470901 Organic aerogel and composition and method for manufacturing the organic aerogel Jun. 25, 2013
8426328 Surface-etched etched alumina/SiC mini-whisker composite material and uses thereof Apr. 23, 2013
8420707 Biomass composite composition and foaming method thereof Apr. 16, 2013
8399531 Foamable composition Mar. 19, 2013
8399530 Polymer foams Mar. 19, 2013
8399537 Compositions and methods for nail coatings Mar. 19, 2013
8388809 Microspheres Mar. 5, 2013
8383693 Aerogel, and composition and method for manufacturing the aerogel Feb. 26, 2013
8367742 Removable color layer for artificial nail coatings and methods therefore Feb. 5, 2013
8318824 Hydrophilic polyolefin sintered body Nov. 27, 2012
8273817 Claylinked polymer gels in new physical forms, methods for their formation and uses thereof Sep. 25, 2012
8263677 Removable color gel basecoat for artificial nail coatings and methods therefore Sep. 11, 2012
8163810 Resinous composition comprising special visual effect additive and method Apr. 24, 2012
8124664 Flexible acrylic foam composition Feb. 28, 2012
8101672 Azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene Jan. 24, 2012
8093320 Compositions comprising polyphosphonates and additives that exhibit an advantageous combination of properties, and methods related thereto Jan. 10, 2012
8067475 Adhesive sheet comprising hollow parts and method for preparing the same Nov. 29, 2011
8044136 Golf balls with cores or intermediate layers prepared from highly-neutralized ethylene copolymers and organic acids Oct. 25, 2011
7985423 Porous bodies and method of production thereof Jul. 26, 2011
7977397 Polymer blends of biodegradable or bio-based and synthetic polymers and foams thereof Jul. 12, 2011
7960443 Extruded styrenic resin foam and method for producing the same Jun. 14, 2011
7947754 Foam May. 24, 2011
7923478 Nanoporous polymeric material and preparation method Apr. 12, 2011
7906561 Cross-linked polyolefin foam Mar. 15, 2011
7879922 Rigid, closed-cell, graft-polymer foam; rigid flexible cellular foam; rigid flexible cellular foam mixtures; and method for manufacturing a rigid, closed-cell, graft-polymer foam Feb. 1, 2011
7872056 Polymer blends of biodegradable or bio-based and synthetic polymers and foams thereof Jan. 18, 2011
7820729 Process for preparing a functionalised polyHIPE polymer Oct. 26, 2010
7799840 Thermoplastic vibrational damper with constraining layer Sep. 21, 2010
7759404 Inherently open-celled polypropylene foam with large cell size Jul. 20, 2010
7741378 Porous monodispersed particles and method for production thereof, and use thereof Jun. 22, 2010
7662866 Polymeric support having novel pore structures Feb. 16, 2010
7652075 Surface-compacted foam Jan. 26, 2010
7612121 Cross-linked foamed pressure sensitive adhesive and method for preparing the same Nov. 3, 2009
7582703 Cross-linkable compounds comprising a perfluoropolyether moiety Sep. 1, 2009
7488535 Absorbent cores for absorbent diapers having reduced thickness and improved liquid handling and retention performance and comprising a super absorbent polymer Feb. 10, 2009
7479530 Polymer having charged units Jan. 20, 2009
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

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