Resources Contact Us Home
Browse by Category: Main > Material Science
Class Information
Number: 521/107
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 phosphorus atom > Phosphorus atom is part of an organic compound
Description: Subject matter wherein the phosphorus atom is part of an organic compound.

Sub-classes under this class:

Class Number Class Name Patents
521/108 Organic phosphorus compound contains a phosphorus atom bonded to an atom other than oxygen 181

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
8575225 Use of low triphenylphosphate, high phosphorous content isopropyl phenyl phosphates as flame retardants in polyurethane or polyisocyanurate foams Nov. 5, 2013
8557946 Oxidation discoloration resistant polyurethane foam Oct. 15, 2013
8476329 Bioresin composition for use in forming a rigid polyurethane foam article Jul. 2, 2013
8318827 Insect resistant polyurethane foam Nov. 27, 2012
8143335 Adhesive composition Mar. 27, 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
8058322 Flame-retardant flexible polyurethane foam Nov. 15, 2011
7919541 Method of manufacturing flame-retardant polymer foam comprising a phosphorous flame retardant and flame-retardant foam produced thereby Apr. 5, 2011
7696256 Flame retardants and flame retarded polymers Apr. 13, 2010
7615168 Flame retardants and flame retarded polymers Nov. 10, 2009
7423069 Blends of tetrahalophthalate esters and phosphorus-containing flame retardants for polyurethane compositions Sep. 9, 2008
7390839 Blends of alkyl substituted triaryl phosphate esters with phosphorus-containing flame retardants for polyurethane foams Jun. 24, 2008
7288577 Polyurethane foam containing flame retardant blend of non-oligomeric and oligomeric flame retardants Oct. 30, 2007
7122135 Blend of organophosphorus flame retardant, lactone stabilizer, and phosphate compatibilizer Oct. 17, 2006
7008973 Vacuum cooled foams Mar. 7, 2006
6967223 Fiber-free shaped parts Nov. 22, 2005
6894139 Catalysts, in particular for the preparation of polyisocyanate polyadducts May. 17, 2005
6861452 Composition for production of flame-retardant flexible polyurethane foams Mar. 1, 2005
6855275 Viscosity modification of high viscosity flame retardants Feb. 15, 2005
6787575 Method for processing a mineral fillers with a phosphate, said fillers and their uses Sep. 7, 2004
6765035 Process for making rigid and flexible polyurethane foams containing a fire-retardant Jul. 20, 2004
6765032 Treated mineral fillers suspensions of these fillers in polyols and their uses in polyurethane foams Jul. 20, 2004
6750265 Prepolymer compostion for insulating foams Jun. 15, 2004
6706774 Two-component on-site foam system and its use for foaming openings for the purpose of fire protection Mar. 16, 2004
6676849 Low yellowing scorch inhibitor composition Jan. 13, 2004
6667355 Higher alkylated triaryl phosphate ester flame retardants Dec. 23, 2003
6660780 Molecularly-imprinted material made by template-directed synthesis Dec. 9, 2003
6593385 Halogen-free, pentane-blown, flame-retardant rigid polyurethane foam and a process for its production Jul. 15, 2003
6583191 Molecularly-imprinted material made by template-directed synthesis Jun. 24, 2003
6518325 Halogen-free, water-blown, flame-retardant rigid polyurethane foam and a process for its production Feb. 11, 2003
6472448 Halogen-free, flame-retardant rigid polyurethane foam and a process for its production Oct. 29, 2002
6444718 Aquerous urea for fire control Sep. 3, 2002
6380273 Process for producing flame-retardant flexible polyurethane foams Apr. 30, 2002
6359023 Polyurethane prepolymer containing NCO groups Mar. 19, 2002
6355700 Foamed thermal insulating material and insulated structure Mar. 12, 2002
6319962 Hydrocarbon blown rigid polyurethane foams having improved flammability performance Nov. 20, 2001
6310110 Molecularly-imprinted material made by template-directed synthesis Oct. 30, 2001
6262135 Polyurethane foam containing a blend of monomeric and oligomeric flame retardants Jul. 17, 2001
6218442 Corrosion resistant structural foam Apr. 17, 2001
6159390 Treated mineral fillers suspensions of these fillers in polyols and their uses in polyurethane foams Dec. 12, 2000
6103784 Corrosion resistant structural foam Aug. 15, 2000
6100359 Ablative polyurea foam and prepolymer Aug. 8, 2000
6084008 Fire retardant coating composition Jul. 4, 2000
6057376 Process to prepare low density porous crosslinked polymeric materials May. 2, 2000
6057377 Molecular receptors in metal oxide sol-gel materials prepared via molecular imprinting May. 2, 2000
6013689 Method for making a closed-cell phenolic resin foam, foamable composition, and closed-cell phenolic resin foam Jan. 11, 2000
5985965 Flame-resistant polyurethanes Nov. 16, 1999
5981612 Production of flameproofed, rigid, isocyanate-based foams Nov. 9, 1999

1 2 3 4 5 6 7

  Recently Added Patents
Dynamic facsimile transcoding in a unified messaging platform
Phase locking loop
Soliciting first party in communication session to maintain call when degradation of connection to second party is anticipated
Semiconductor device and fabrication method
Re-establishing push notification channels via user identifiers
Cell surface display, screening and production of proteins of interest
Linear book scanner
  Randomly Featured Patents
Low stress method and apparatus for underfilling flip-chip electronic devices
Crosslinking reagent for analysis of protein-protein interaction
Method related to the sterilization of microorganisms and/or to the mineralization of organic substances including microbic metabolites in a ground region and in the ground water by means of e
Vessel repair
Apparatus for increasing bulk of foreshortened fibrous web
Controlled parallel compilation and execution of JavaScripts
Electrode means, a method for its manufacture, an apparatus comprising the electrode means as well as use of the latter
Catalytic oxidation of volatile carbon compounds
Digital imaging with high chloride emulsions containing iodide
Aminopyridine dimer compounds, compositions and related methods for neuronal nitric oxide synthase inhibition