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Class Information
Number: 521/85
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. > Process of forming a cellular product subsequent to solid polymer formation in the presence of a stated ingredient, noncellular composition capable of forming a cellular product and containing a stated ingredient, or process of preparing same > Ingredient contains a boron or phosphorus atom
Description: Subject matter wherein the stated ingredient contains at least one atom of boron or phosphorus.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8703852 Impact-resistant poly(arylene ether) resins with improved clarity Apr. 22, 2014
8691884 Crosslinked flame retardant thermoplastic elastomer gels Apr. 8, 2014
8569062 Cryogels of PVA-boronic acid containing co-polymers for cell culture Oct. 29, 2013
8455559 Preparing expandable styrene polymers Jun. 4, 2013
8354461 Foamable fluoropolymer composition Jan. 15, 2013
8242183 Brominated polymers as FR additives and polymer systems containing same Aug. 14, 2012
8163810 Resinous composition comprising special visual effect additive and method Apr. 24, 2012
8153701 Extrusion of a foamable fluoropolymer Apr. 10, 2012
8124662 Foamed polymer-inorganic binder hybrid material having controlled density and morphology, method for its preparation and uses thereof Feb. 28, 2012
8114919 Microwave foam Feb. 14, 2012
8013030 Process for the production of a moulding composed of foamed polytetrafluoroethylene Sep. 6, 2011
7919541 Method of manufacturing flame-retardant polymer foam comprising a phosphorous flame retardant and flame-retardant foam produced thereby Apr. 5, 2011
7799839 Porous material having hierarchical pore structure and preparation method thereof Sep. 21, 2010
7767725 High processing temperature foaming polymer composition Aug. 3, 2010
7696256 Flame retardants and flame retarded polymers Apr. 13, 2010
7615168 Flame retardants and flame retarded polymers Nov. 10, 2009
7226615 Expandable foam-like biomaterials and methods Jun. 5, 2007
7114503 Process for producing an open celled foam Oct. 3, 2006
6995203 Flame retardant polymer compositions Feb. 7, 2006
6967223 Fiber-free shaped parts Nov. 22, 2005
6867240 Porous composite materials Mar. 15, 2005
6783701 Electrically conductive foam component Aug. 31, 2004
6762212 Extruded styrene resin foams and methods for producing the same Jul. 13, 2004
6730713 Creation of epoxy-based foam-in-place material using encapsulated metal carbonate May. 4, 2004
6667350 Calcium borate infused foam building materials and the like and method of making same Dec. 23, 2003
6610756 Inorganic/organic composite foam and process for producing the same Aug. 26, 2003
6579911 Fire resistant styrene polymer foams with reduced brominated fire retardant Jun. 17, 2003
6569912 Extruded styrene resin foam and process for producing the same May. 27, 2003
6562447 Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor May. 13, 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
6521675 Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor Feb. 18, 2003
6506809 Titanium dioxide nucleating agent systems for foamable polymer compositions Jan. 14, 2003
6469078 Molecular weight increase and modification of polycondensates Oct. 22, 2002
6444713 Foaming compositions and methods for making and using the compositions Sep. 3, 2002
6423758 Low volatility cellular foam Jul. 23, 2002
6420442 Flame-proofed polystyrene foamed materials Jul. 16, 2002
6395795 Titanium dioxide nucleating agent systems for foamable polymer compositions May. 28, 2002
6350511 Melamine resin foam Feb. 26, 2002
6348512 Medium density chlorinated polyvinyl chloride foam and process for preparing Feb. 19, 2002
6262134 Low volatility cellular foam Jul. 17, 2001
6232357 Compositions based on elastomeric polymers of vinylidene fluoride, hexafluoropropene and optionally tetrafluoroethylene, suitable for providing microcellular foamed articles May. 15, 2001
6218442 Corrosion resistant structural foam Apr. 17, 2001
6166094 Blowing agent and method for producing foamed polymers and related compositions Dec. 26, 2000
6140379 Chemically embossed metallocene polyethylene foam Oct. 31, 2000
6140380 Blowing agent and method for producing foamed polymers and related compositions Oct. 31, 2000
6133331 Expanded particles of polyolefin resin and process for preparing the same Oct. 17, 2000
6103784 Corrosion resistant structural foam Aug. 15, 2000
6063825 Flexible polyurethane foam with high durability May. 16, 2000
6013689 Method for making a closed-cell phenolic resin foam, foamable composition, and closed-cell phenolic resin foam Jan. 11, 2000
6010565 Foamed material for fireproofing and/or insulating Jan. 4, 2000

1 2 3 4 5 6

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