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With nitrogen containing reactant

Subclass of:

521 - Synthetic resins or natural rubbers -- part of the class 520 series

521000000 - SYNTHETIC RESINS (CLASS 520, SUBCLASS 1)

521050000 - CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC.

521155000 - Cellular product derived from a -N=C=X containing reactant wherein X is a chalcogen atom

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
521163000 With nitrogen containing reactant 43
20080275152Halogen-free, flame-retardant polyurethane foams - The present invention relates to flame-retardant polyurethane foams which comprise, as flame retardant, halogen-free bisphosphonates free from hydroxy groups.11-06-2008
20080312353Process for Preparation of High-Molecular-Weight Polyamides - Process for preparation of high-molecular-weight polyamides, which comprises reacting a polyamide A) at a temperature of from 150 to 350° C. with a compound B) which at this reaction temperature liberates isocyanic acid, where the concentration of the amino end groups in the polyamide A) used is greater than or equal to the concentration of the carboxy end groups.12-18-2008
20090012196CONDUCTIVE TONER SUPPLY ROLLER, METHOD OF MANUFACTURING SUPPLY ROLLER, AND ELECTROSTATIC RECORDING APPARATUS HAVING THE SUPPLY ROLLER - A conductive toner supply roller and a method of manufacturing the supply roller. The method includes preparing a polyurethane foam, impregnating the polyurethane foam with an impregnation solution including an electroconductive polymer, a binder resin, an electroconductive agent and a solvent, and drying the resulting polyurethane foam, cutting the dried polyurethane foam, and inserting a shaft into the cut polyurethane foam, and polishing an outer surface of the resulting polyurethane foam. The resulting conductive toner supply roller has a low or medium resistance, and may be user in an electrostatic recording apparatus such as a printer, a facsimile machine, a copier or the like.01-08-2009
20100093882FLAME RETARDANT AQUEOUS LIQUID COMPOSITION, USE THEREOF FOR PRODUCING FLAME RETARDANT POLYURETHANE FOAM, AND FLAME RETARDANT POLYURETHANE FOAM ARTICLE - A flame retardant aqueous liquid composition containing water, guanidine sulfamate, a citric acid compound including a metal salt of citric acid, and a water soluble polymer. A flame retardant polyurethane foam is produced by a process including the steps of providing a mixture of the above flame retardant aqueous liquid composition with a polyol and an isocyanate, and reacting the mixture in the presence of a catalyst.04-15-2010
20100273908NCO PREPOLYMERS HAVING A LOW CONTENT OF FREE MONOMERIC DIISOCYANATE, AND THE PRODUCTION THEREOF - The present invention relates to NCO prepolymers having a low content of free monomeric diisocyanate, to a process for the production of these NCO prepolymers, to polyurethanes prepared from these NCO prepolymers and to processes for the production of these polyurethanes.10-28-2010
20110105636ORGANIC AEROGEL, COMPOSITION FOR THE MANUFACTURE OF THE ORGANIC AEROGEL, AND METHOD OF MANUFACTURING THE ORGANIC AEROGEL - An organic aerogel including a polymer that is a reaction product of a substituted or unsubstituted alkyl cellulose compound or derivative thereof and a substituted or unsubstituted alkylene diphenyl diisocyanate compound, as well as a composition for the manufacture of an organic aerogel, and a method of manufacturing the organic aerogel.05-05-2011
20120095123POROUS POLYUREA MATERIAL AND METHODS FOR PREPARING THE SAME - The present invention relates to a porous polyurea material and a method for preparing the same. The porous polyurea material may be prepared by polymerization and crosslinking of tetra(4-aminophenyl)methane with a monomer two to four isocyanate (—NCO) groups. The method includes: mixing an organic solution of tetra(4-aminophenyl)methane with an organic solution of a monomer having two to four isocyanate groups; reacting the mixed solution under a nitrogen atmosphere; and drying a semi-solid or solid material formed by gelation of the reaction solution, or adding the reaction solution to a non-solvent before gelation of the reaction solution to form a precipitate, followed by drying, or applying the reaction solution to a substrate before gelation of the reaction solution, followed by drying. According to the present invention, the introduction of the monomer having a tetrahedral structure can impart good chemical resistance, heat resistance and durability to the porous polyurea material.04-19-2012
20120115969PROCESS FOR PRODUCING AEROGELS OR XEROGELS - The present invention relates to a process for producing porous materials in the form of aerogels or xerogels, which comprises reaction of at least one polyfunctional isocyanate with an amine component comprising at least one polyfunctional substituted aromatic amine and also water in the presence of a solvent and a catalyst, with the reaction being carried out in the absence of water.05-10-2012
20120142800POROUS GELS BASED ON AROMATIC AND CYCLOALIPHATIC AMINES - The invention relates to a porous gel comprising the following components, in reacted form: 06-07-2012
20120220679PROCESS FOR PRODUCING PULVERULENT POROUS MATERIALS - The present invention relates to a process for producing pulverulent organic porous materials, comprising (i) the provision of an organic xerogel or organic aerogel and then (ii) the comminution of the material provided in step (i).08-30-2012
20130131204PROCESS FOR PREPARING POLYMER POLYOLS - The invention relates to a process for the preparation of a polymer polyol, which process comprises mixing in a reactor vessel a base polyol, one or more ethylenically unsaturated monomers, a polymerization initiator, optionally a macromer, and optionally a chain transfer agent, and polymerizing the mixture thus obtained at a temperature of 50 to 200 ° C., wherein the monomer(s) and initiator are dosed simultaneously to the reactor vessel and wherein during the time period of simultaneously dosing the monomer(s) and initiator the dosing weight ratio of initiator to monomer(s) is increased.05-23-2013
20130131205PROCESS FOR PREPARING POLYMER POLYOLS - The invention relates to a process for the preparation of a polymer polyol which is at most 60 wt. %, which process comprises mixing a base polyol, one or more ethylenically unsaturated monomers, a polymerization initiator, optionally a macromer, and optionally a chain transfer agent, and polymerizing the mixture thus obtained at a temperature of 50 to 200° C., optionally below 120 C, wherein the initiator is of formula R05-23-2013
20140066536POLYMER POLYOLS HAVING IMPROVED QUALITY - This invention relates to polymer polyols comprising one or more base polyols; one or more ethylenically unsaturated monomers in which at least one of the monomers is styrene which contains less than or equal to 1000 ppm of impurities; with one or more preformed stabilizers; in the presence of at least one free radical polymerization initiator; and optionally, one or more chain transfer agents.03-06-2014
20140088215PROCESS FOR PRODUCING POROUS MATERIALS BASED ON ISOCYANATE - The present invention relates to a process for producing porous materials, which comprises reaction of at least one polyfunctional isocyanate with at least one polyfunctional aromatic amine in the presence of at least one catalyst and a solvent. The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as insulation material, in particular for applications in the building sector and in vacuum insulation panels.03-27-2014
20140256839POLYBUTADIENE MODIFIED POLYMER POLYOLS, FOAMS PREPARED FROM POLYBUTADIENE MODIFIED POLYMER POLYOLS, AND PROCESSES FOR THE PRODUCTION THEREOF - This invention relates to polybutadiene modified polymer polyols which comprise one or more base polyols, at least one preformed stabilizer, one or more ethylenically unsaturated monomers, and polybutadiene, in the presence of at least one free radical polymerization catalyst, and optionally, one or more chain transfer agents. The polybutadiene present in these polybutadiene modified polymer polyols may be carried into the polymer polyol through the preformed stabilizer, by a polybutadiene containing component that is added separately from the preformed stabilizer to the polymer polyol, or a combination thereof, with the total amount of polybutadiene ranging from 0.03 to 1.0% by weight of polybutadiene, based on 100% by weight of the polymer polyol. The present invention also relates to processes for preparing these polybutadiene modified polymer polyols, to foams prepared from these polybutadiene modified polymer polyols, and to processes for producing foams from these polybutadiene modified polymer polyols.09-11-2014
20140275309COMFORT APPARATUS AND METHOD OF MANUFACTURE - An article of manufacture formed from the reaction product of at least one plant based polyol and at least one isocyanate free monomer, comprising a foam structure having wide commercial applicability.09-18-2014
20160083593Intumescent composition and the use thereof - An intumescent composition is described which contains a binder based on polyurea. Using the composition, which has a relatively high rate of expansion, it is possible to easily and quickly apply coatings at the layer thickness required for the specific fire resistance duration, wherein the layer thickness can be reduced to a minimum yet still reach a high insulating value. The composition is particularly suitable for fire protection, particularly as a coating for metallic and non-metallic substrates such as steel components including columns, beams, or truss rods for the purpose of increasing fire resistance time.03-24-2016
20160177021POLYURETHANE FOAMS AND THE USE THEREOF06-23-2016
20160194470SHAPED PARTS MADE OF REINFORCED POLYURETHANE UREA ELASTOMERS AND USE THEREOF07-07-2016
521164000 Nitrogen reactant contains a C-XH group wherein X is a chalcogen atom and wherein the C atom is not double-bonded to a chalcogen atom 24
20080281013Polyurethane Resin and a Process for the Production Thereof - Reduced aldehyde emissions during heated storage of a polyurethane resin are obtained by including at least one sulfurous compound selected from the group consisting of hydrogen sulfites and disulfites in the polyol component from which that polyurethane is produced. The amount of the sulfurous compound added is generally from 0.02 to 2.0 parts by weight for every 100 parts by weight of the polyol component.11-13-2008
20090062415METHODS OF PRODUCING RIGID POLYURETHANE FOAMS - Methods comprising: providing an aromatic polyisocyanate and a polyol; and reacting the aromatic polyisocyanate and the polyol in the presence of a blowing agent and a catalyst to form a rigid polyurethane foam; wherein the blowing agent comprises water and a hydrocarbon having 3 to 8 carbon atoms; and wherein the polyol comprises a mixture of two or more polyether polyols according to formula (1):03-05-2009
20100298458Ortho-Cyclohexanediamine-initiated polyols and rigid polyurethane foam made therefrom - Polyether polyols are initiated with orthocyclohexanediamines such as 1,2-diaminocyclohexane. The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times.11-25-2010
20110039967Shape Memory Polymers - New shape memory polymer compositions, methods for synthesizing new shape memory polymers, and apparatus comprising an actuator and a shape memory polymer wherein the shape memory polymer comprises at least a portion of the actuator. A shape memory polymer comprising a polymer composition which physically forms a network structure wherein the polymer composition has shape-memory behavior and can be formed into a permanent primary shape, re-formed into a stable secondary shape, and controllably actuated to recover the permanent primary shape. Polymers have optimal aliphatic network structures due to minimization of dangling chains by using monomers that are symmetrical and that have matching amine and hydroxyl groups providing polymers and polymer foams with clarity, tight (narrow temperature range) single transitions, and high shape recovery and recovery force that are especially useful for implanting in the human body.02-17-2011
20120259030PRODUCING PU RIGID FOAMS - The present invention relates to a process for producing polyurethane (PU) rigid foams by reaction of polyisocyanates with compounds having two or more isocyanate-reactive hydrogen atoms in the presence of blowing agents.10-11-2012
20130030073AMINE-INITIATED POLYOLS FROM RENEWABLE RESOURCES AND PROCESSES FOR THEIR PRODUCTION AND USE - Amine-initiated polyether polyols are made by reacting an amine adduct with a triglyceride in the presence of an alkylene oxide to obtain a polyol having a total renewables content of at least 20%. The polyols produced in this manner are particularly useful for the production of polyurethane and a polyisocyanurate foams01-31-2013
20130109775POLYURETHANE COMPOSITIONS FOR AN AUTOMOTIVE SEAT05-02-2013
20130150475BIOBASED POLYOLS FOR POTENTIAL USE AS FLAME RETARDANTS IN POLYURETHANE AND POLYESTER APPLICATIONS - The invention provides for new flame retardant non-furan dicarboxylic acid (FDCA) based polyols; oligomers and polymers made from these new polyols with flame retardation properties; and methods of using them as a part or all of the flame retardation composition/material, such as foams and binders.06-13-2013
20130184368PROCESS FOR MAKING LOW DENSITY HIGH RESILIENCY FLEXIBLE POLYURETHANE FOAM - A process for producing resilient, flexible polyurethane foams that function well in noise and vibration absorption applications for vehicle applications that are made from a blend of polyols (i) and an isocyanate (ii), wherein the blend of polyols (i) comprises a mixture of polyether polyols (i.a) that each has a hydroxyl equivalent weight of from 1200 to 3000 and at least 70% primary hydroxyl groups, from 5 to 80% by weight of the ethylene oxide-capped polypropylene oxides are nominally difunctional, from 0.5 to 20% by weight of the ethylene oxide-capped polypropylene oxides have a nominal functionality of four or higher, and the balance of the ethylene oxide-capped polypropylene oxides, but not less than 1.5% by weight thereof, are nominally trifunctional; an autocatalytic polyol (i.b) having a functionality in the range of 2 to 8 and a hydroxyl number in the range of 15 to 200, wherein said autocatalytic polyol compound comprising at least one tertiary amine group; and a low unsaturation polyol (i.c) having a functionality equal to or greater than 2, a hydroxyl equivalent weight of from 1800 to 2800, and a total unsaturation value of equal to or less than 0.06 meq/g.07-18-2013
20130345331HIGH-CONCENTRATION POLYMER POLYOL AND METHOD FOR ITS PRODUCTION - If it is attempted to produce a polymer polyol at a high concentration, there will be a problem such that during polymerization of a monomer to form fine polymer particles, particles are likely to aggregate one another to form aggregates, and storage stability of the polymer polyol tends to deteriorate. A method for producing a polymer polyol is presented which comprises polymerizing at least one type of ethylenically unsaturated monomer together with a seed particle dispersion, in a polyol, wherein the seed particle dispersion is one obtained by polymerizing an ethylenically unsaturated monomer in the presence of an ethylenically unsaturated macromonomer, a solvent and a chain transfer agent, and the ethylenically unsaturated macromonomer is a reaction product of a specific polyol, an isocyanate compound and an ethylenically unsaturated monomer having a hydroxy group.12-26-2013
20140051778FINE PARTICLE, HIGH CONCENTRATION, POLYISOCYANATE POLYADDITION/POLYURETHANE-UREA POLYOLS - Embodiments of the invention include a method of producing polymer polyol dispersions is. The method includes providing at least one reaction system, and the reaction system includes: a) at least one polyol, b) at least one seed population, c) at least one catalyst, d) at least one co-reactant having an equivalent weight of up to 400 and at least one active hydrogen attached to a nitrogen or oxygen atom, and e) at least one polyisocyanate. The at least one seed population includes less than about 5% by weight of the total weight of the at least one reaction system and includes seed particles having diameters of less than 5 μm. The at least one reaction mixture reacts to form at least one of a polyurea and polyurethane-urea particle population in the at least one polyol without the addition of any catalysts comprising tin. The polymer polyol dispersion has a solids content of at least 15% of the weight of the polymer polyol dispersion.02-20-2014
20140171535POLYOLS FROM BIOMASS AND POLYMERIC PRODUCTS PRODUCED THEREFROM - Polyol compositions containing methane linkages derived from amino acids. The polyols are obtained from the reaction of the carbonate with the cadres in the amino acids. Individual amino acids or mixtures of amino acids that are prepared from the hydrolysis of the proteins can be used.06-19-2014
20140275310NOVEL POLYMER POLYOLS BASED ON NATURAL OILS POLYOLS - This invention relates to stable, low-viscosity polymer polyols and to a process for preparing these stable, low-viscosity polymer polyols. These polymer polyols comprise (a) a base polyol component that comprises a natural oil base polyol having a mean hydroxyl functionality of 1.7 to 5.0, a number average molecular weight of about 350 to about 725, and an OH number of 190 to 500.09-18-2014
20140275311NEW POLYMERS DERIVED FROM RENEWABLY RESOURCED LYSINOL - Disclosed are salt compositions of lysinol and dicarboxylic acids; and lysinol derived polymers including polyamide, polyimide, polyurea, cross-linked polyurea comprising urethane linkages, polyurea foams, cross-linked polyurea foams, and lysinol-epoxy thermoset.09-18-2014
20140329924NEW POLYMERS DERIVED FROM RENEWABLY RESOURCED LYSINOL - Disclosed are salt compositions of lysinol and dicarboxylic acids; and lysinol derived polymers including polyamide, polyimide, polyurea, cross-linked polyurea comprising urethane linkages, polyurea foams, cross-linked polyurea foams, and lysinol-epoxy thermoset.11-06-2014
20150291741POLYOLS FROM PROTEIN BIOMASS - A process of producing multi-hydroxy polyols, the process comprising providing a biomass material and transamidating the biomass material with an amine selected from the group consisting essentially of a diamine and an alkanolamine, to provide low molecular weight derived amino-acids or derived oligomers of proteins. Thereafter, reacting the derived amino-acids or derived oligomers with a carbonate to provide hydroxyl terminated urethane oligomers.10-15-2015
521165000 Phosphorus containing reactant 2
20160083500PHOSPHOROUS CONTAINING FLAME RETARDANTS - The present invention relates to a phosphorus containing polyol, obtainable or obtained by a process comprising the reaction of at least one polyol with a phosphorus containing compound of the general formula (I) as defined herein, as well as the process for preparing a phosphorus containing polyol, comprising the reaction of at least one polyol with a phosphorus containing compound of the general formula (I). Furthermore, the present invention relates to the use of a phosphorus containing polyol as disclosed herein as a flame retardant, to a process for the preparation of a polyurethane and the polyurethane as such.03-24-2016
20160137676REACTIVE FLAME RETARDANTS - The present invention relates to a phosphorus containing alcohol, obtainable or obtained by a process comprising the reaction of at least one alcohol with a phosphorus containing compound of the general formula (I) as defined herein, as well as the process for preparing a phosphorus containing alcohol, comprising the reaction of at least one alcohol with a phosphorus containing compound of the general formula (I). Furthermore, the present invention relates to the use of a phosphorus containing alcohol as disclosed herein as a flame retardant, to a process for the preparation of a polyurethane and the polyurethane as such.05-19-2016
521166000 Nitrogen reactant contains a nitrogen containing heterocyclic ring 2
20130253086SHAPE MEMORY POLYMERS - New shape memory polymer compositions, methods for synthesizing new shape memory polymers, and apparatus comprising an actuator and a shape memory polymer wherein the shape memory polymer comprises at least a portion of the actuator. A shape memory polymer comprising a polymer composition which physically forms a network structure wherein the polymer composition has shape-memory behavior and can be formed into a permanent primary shape, re-formed into a stable secondary shape, and controllably actuated to recover the permanent primary shape. Polymers have optimal aliphatic network structures due to minimization of dangling chains by using monomers that are symmetrical and that have matching amine and hydroxl groups providing polymers and polymer foams with clarity, tight (narrow temperature range) single transitions, and high shape recovery and recovery force that are especially useful for implanting in the human body.09-26-2013
20140357750AMINE POLYETHER POLYOLS AND POLYURETHANE FOAM COMPOSITIONS MADE FROM CYCLIC AMINE COMPOUNDS - The present invention describes cyclic amine compounds useful for catalysts forpolyurethane form-forming compositions, as well as amine alkoxylates and amine polyether polyols formed form the cyclic amines. The cyclic amine compounds of the invention provide distinct benefits for reaction compositions, methods, and polyurethane foams based on their desirable physical and catalytic properties.12-04-2014
521167000 Nitrogen reactant contains a N-(C-C-O)-group 4
20100036010Amine-initiated polyols and rigid polyurethane foam made therefrom - Polyether polyols are initiated with aminocyclohexanealkylamines such as isophoronediamine and 1,8-diaminop-menthane. The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times.02-11-2010
20110263742PROCESS FOR PREPARING POLYETHER ALCOHOLS - The invention relates to a process for preparing polyether alcohols by reacting a) aromatic amines with b) alkylene oxides in the presence of c) a catalyst, wherein the alkylene oxide b) comprises at least 90% by weight, based on the weight of the component b), of propylene oxide and an amine is used as catalyst c).10-27-2011
20120232180PROCESS FOR THE PRODUCTION OF POLYURETHANE RIGID FOAMS - The present invention relates to a process for the production of polyurethane rigid foams by reaction of polyisocyanates with compounds with at least two hydrogen atoms reactive with isocyanate groups in the presence of propellants.09-13-2012
20140051779SEEDING PROCESS FOR THE MANUFACTURE OF POLYMER MODIFIED POLYOLS - Embodiments of the invention provide for polymer polyols and methods of producing polymer polyols. Methods include providing at least one first composition which includes at least one polyol, at least one isocyanate non-reactive seed population, and at least one of a co-reactant having an equivalent weight of up to 400 and at least one active hydrogen attached to a nitrogen or oxygen atom. The at least one isocyanate non-reactive seed population includes less than about 5% by weight of the total weight of the first composition, and the seed population has a maximum particle diameter of less than 10 The first composition is combined with at least one polyisocyanate under mixing to form at least one of a polyurea, polyurethane, and a polyurethane-urea particle population dispersed in the first composition, wherein at least 90% by weight of the particle population has a particle diameter of less than 100 μm.02-20-2014

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