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Class Information
Number: 521/123
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 formation prior to or during solid polymer formation in the presence of a stated ingredient other than water > Ingredient contains a metal atom
Description: Subject matter wherein the stated ingredient contains a metal atom.

Sub-classes under this class:

Class Number Class Name Patents
521/124 Metal atom is part of an organic compound 228

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8642669 Foamable low-viscosity mixtures Feb. 4, 2014
8604093 Fire-resistant polyurethane foam and fabrication method thereof Dec. 10, 2013
8487015 Flexible polyurethane foam and process for its production Jul. 16, 2013
8399532 Polyol compositions, resin blend compositions, spray compositions, and methods of using each, and methods of making each Mar. 19, 2013
8354469 Perfluoropolymer composition Jan. 15, 2013
8236867 Polymer complex having channels and method for chemically modifying inner surfaces of channels of polymer complex Aug. 7, 2012
8198342 Aluminum chelate latent curing agent and production method thereof Jun. 12, 2012
8124665 Decorative molded foams with good impact resistance and fire retardant properties Feb. 28, 2012
8097658 Process for the production of medium density decorative molded foams having good fire retardant properties with reduced mold times, fire retardant compositions and foams produced by this proce Jan. 17, 2012
8026292 Cyanate-based, carbon-dioxide-filled structured foams and method for their production Sep. 27, 2011
7931964 Microporous layers, an article comprising a microporous layer, and a method of manufacture thereof Apr. 26, 2011
7842349 Method for spray forming high modulus polyurethane structures Nov. 30, 2010
7737192 Process for producing flexible polyurethane foam Jun. 15, 2010
7691480 Elastomeric urethane composition Apr. 6, 2010
7671101 Gelled biopolymer based foam Mar. 2, 2010
7671102 Gelled biopolymer based foam Mar. 2, 2010
7671100 Gelled biopolymer based foam Mar. 2, 2010
7446132 Zeolite additive for rubber and plastic Nov. 4, 2008
7432312 Polyurethane foam having deodorization property or antibacterial effect Oct. 7, 2008
7399719 Protection apparatus and methods Jul. 15, 2008
7144925 Fire resistance acoustic foam Dec. 5, 2006
7008973 Vacuum cooled foams Mar. 7, 2006
7005458 Static dissipative polyurethane foams Feb. 28, 2006
6967223 Fiber-free shaped parts Nov. 22, 2005
6906110 Method for the production of polyurethanes Jun. 14, 2005
6855740 Foamed molded bodies made from silicon and use of said produced products Feb. 15, 2005
6855739 Modified polyurethane foamed materials used as adsorbents Feb. 15, 2005
6825238 Low acid organometallic catalyst for the production of flexible, semi-flexible and rigid polyurethane foams Nov. 30, 2004
6806348 Process for removing and regenerating a double metal cyanide (DMC) catalyst from a polymer polyol Oct. 19, 2004
6806298 Sprayable composition and method for forming a foamed outdoor protective cover layer Oct. 19, 2004
6797738 Open pore biodegradable matrices Sep. 28, 2004
6762214 Process for the production of rigid foams from alkaline polyether polyols Jul. 13, 2004
6730713 Creation of epoxy-based foam-in-place material using encapsulated metal carbonate May. 4, 2004
6706774 Two-component on-site foam system and its use for foaming openings for the purpose of fire protection Mar. 16, 2004
6706844 Polyurethane products produced from aluminum phosphonate catalyzed polyetherols Mar. 16, 2004
6653361 Flame retardant polyurethane composition and method of manufacture thereof Nov. 25, 2003
6589444 Process for separating water from chemical mixtures Jul. 8, 2003
6590057 Polyurethane elastomers, process for their production and use thereof Jul. 8, 2003
6576682 Use of reactive amines for the preparation for polyurethane foams Jun. 10, 2003
6541531 Method of introduction of liquid additives utilizing an improved dosing assembly Apr. 1, 2003
6541411 Titanium/zirconium catalysts and their use to prepare esters or polyesters Apr. 1, 2003
6518324 Polymer foam containing nanoclay Feb. 11, 2003
6458859 Semiconductive silicone rubber composition and silicone rubber roll Oct. 1, 2002
6387973 Flexible polyurethane foam containing copper May. 14, 2002
6323252 Superabsorbent polymers having improved processability Nov. 27, 2001
6294589 Polyurethane composition containing antimicrobial agents and methods for use therefor Sep. 25, 2001
6281256 Open pore biodegradable matrices Aug. 28, 2001
6271271 Method for obtaining foamed organosilicon compositions Aug. 7, 2001
6211258 Process for preparing rigid and flexible polyurethane foams Apr. 3, 2001
6180221 Conductive elastomer for grafting to thermoplastic and thermoset substrates Jan. 30, 2001

1 2 3 4 5 6 7

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