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

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.

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
521170000 With -XH reactant wherein X is a chalcogen atom 130
521159000 N=C=X reactant having at least two C-NH-C(=X)- groups, e.g., prepolymers, etc. 34
521157000 With a C-C(=X)-XH or C-C(=X)-X-C(=X)-C- reactant wherein X is a chalcogen atom, e.g., carboxylic acid or anhydride, etc. 25
521163000 With nitrogen containing reactant 23
521156000 With three-membered heterocyclic reactant containing two carbon atoms and a hetero atom (i.e., nitrogen or a chalcogen atom) 13
521160000 Two or more N=C=X reactants 10
521158000 With ketone, aldehyde, or aldehyde derivative 1
20120316255STRENGTH-IMPROVING AGENT FOR PRODUCTION OF POLYURETHANE FOAM - Provided is a strength-improving agent for the production of polyurethane foam, said agent enabling the production of a polyurethane foam having high tensile strength, tear strength and compressive strength. A strength-improving agent (A) for the production of polyurethane foam, represented by general formula (I) [wherein each R1 is a residue derived from an active-hydrogen containing compound by the removal of one active hydrogen atom, and multiple R1s may be the same or different; Y is a residue derived from an at least trivalent aromatic polycarboxylic acid (C) by the removal of the carboxyl groups; the aromatic ring of Y is composed of carbon atoms; the substituents on the aromatic ring maybe hydrogen or other groups, with the proviso that at least one of the substituents is hydrogen; a is an integer satisfying the relationship: 2≦a≦[(the number of substituents on the aromatic ring)−2]; Z is a residue derived from an at least m-valent active-hydrogen containing compound by the removal of m active hydrogen atoms; some R1s and Z may be the same, with the proviso that at least one R1 is different from Z; and m is an integer of 1 to 10].12-13-2012
Entries
DocumentTitleDate
20110021652COARSE-CELL POLYURETHANE ELASTOMERS - The present invention relates to an open-cell polyurethane foam comprising polyester and polyether structures and having a density of 70 to 300 g/L, 1 to 20 cells/cm, a rebound intensity greater than 30%, an elongation at break of greater than 200%, a tear propagation resistance of greater than 1.2 N/mm and a tensile strength of greater than 200 kPa. The present invention further relates to a process for producing inventive open-cell polyurethane sponges and to the use thereof as a pipe cleaning sponge.01-27-2011
20120142799POLYESTER POLYOLS BASED ON AROMATIC DICARBOXYLIC ACIDS - The present invention relates to polyester polyols based on aromatic dicarboxylic acids and their use for producing rigid polyurethane foams.06-07-2012
20090318577COMPOSITION COMPRISING A PHOSPHATE BINDER AND ITS PREPARATION - A binder, a composition, a product and a kit, as well as a process for preparing the binder and composition, are directed to a composition useful as an inorganic phosphate binder, which binder is characterized as having calcium silicate sites which are connected the one with the other by alumina-silica phosphate bonds, and a filer.12-24-2009
20100087560POLYISOCYANURATE FOAM FOR ROOF STRUCTURES - Prepare a polyisocyanurate insulating foam that achieves a Class A rating in ASTM E108-05 testing with either EPDM or TPO membranes at a slope of 1.27 centimeters and achieves at least a grade 2 designation in ASTM method C-1289 compressive strength testing with a foamable mixture containing (a) 100 parts by weight polyol; (b) 2-9 parts by weight potassium and/or sodium carboxylate salts; (c) 0.05-0.45 parts by weight of one or more quaternary amine; (d) zero to 0.4 parts by weight of an additional catalyst selected from secondary amine, tertiary amine, tin and/or iron catalyst; (e) optionally a solvent; (f) an isocyanate containing compound; and (g) a blowing agent; wherein the molar ratio of (b) to (c) is in a range of 17:1 to 100:1.04-08-2010
20080312352Dyes and Dye Mixtures for Dying Polymers, Method for the Production Thereof and Their Use - The present invention relates to dyes of the general formula (1)12-18-2008
20100137467POLYURETHANE FOAM CONTAINING FLAME-RETARDANT MIXTURE - The invention relates to flame retarded polyurethane foam containing, inter alia, an effective flame retarding amount of a non-halogen flame-retardant mixture wherein said foam is capable of meeting or exceeding stringent flame retardancy criteria.06-03-2010
20100204355POLYMER NANOENCAPSULATED ACID-CATALYZED SOL-GEL SILICA MONOLITHS - Macroporous monolithic silica aerogels having mesoporous walls are produced via an acid-catalyzed sol-gel process from tetramethoxysilane (TMOS) using a triblock co-polymer (Pluronic P123) as a structure-directing agent and 1,3,5-trimethylbenzene (TMB) as a micelle-swelling reagent. Pluronic P 123 was removed by solvent extraction, and monoliths were obtained by removing the pore-filling solvent with liquid CO08-12-2010
20090048361METHOD AND APPARATUS TO MONITOR THE COMPRESSIVE STRENGTH OF INSULATION BOARDS - A method for producing foam insulation board, the method comprising forming a foam product as part of a continuous process, where said foam product includes at least one side edge, monitoring on-line the compressive strength of the foam product, along said at least one side edge, and adjusting said step of forming a foam product in view of data obtained from said step of monitoring.02-19-2009
20100210747COMPOSITIONS AND USE OF TRANS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE FOAM-FORMING COMPOSITION IN THE PREPARATION OF POLYISOCYANATE-BASED FOAMS - A foam-forming composition is disclosed which includes both trans-1,1,1,4,4,4-hexafluoro-2-butene and an active hydrogen-containing compound having two or more active hydrogens. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of effective amounts of the foam-forming composition and a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam comprising: reacting an effective amount of the foam-forming composition and a suitable polyisocyanate.08-19-2010
20110077316Biosealant Protective Barrier for Surfaces - A protective barrier sealant product and methods of applying the same, including a high density polyurethane material provided in an amount, volume, and density effective for providing a protective barrier for a surface, wherein the polyurethane material is combined with at least one active agent just prior to or at the time of application of the sealant product to an object surface.03-31-2011
20080255262Method of Molding Rigid Polyurethane Foams with Enhanced Thermal Conductivity - The present invention is to a molded rigid polyurethane foam for application in appliance, having a reduced thermal conductivity at densities between 33 and 38 kg/m10-16-2008
20110054056THERMOSET POLYURETHANES - Thermoset polyurethanes comprising a cis, trans-1,3- and -1,4-cyclohexanedimethylether moiety. Adducts of epoxy resins comprising a cis, trans-1,3- and -1,4-cyclohexanedimethylether moiety are used to react with a polyisocyanate to produce the thermoset polyurethanes.03-03-2011
20110054055LOW-PHOSPHORUS LAMINATION ADDITIVES HAVING LOW EMISSION, IMPROVED INITIAL ADHESION AND IMPROVED HYDROLYSIS STABILITY - A composition is provided which is suitable for producing polyurethane systems appropriate for hot adhesive bonding. The composition includes from 0.1 to 20% by mass of an additive mixture comprising at least one organic phosphorus compound either alone or in combination with a crosslinker or extender.03-03-2011
20100179238LOW FORMALDEHYDE FOAM COMPOSITE - A foam composite which comprises at least one layer of an open-celled amino resin foam MF and a polyurethane foam PU and in which at least one of the layers comprises a formaldehyde scavenger, in particular a foam composite comprising a core comprising an open-celled melamine-formaldehyde resin foam and sheathing comprising a polyurethane foam PU comprising the formaldehyde scavenger on all sides.07-15-2010
20110218263POLISHING PAD - A polishing pad generates very few scratches on a surface of a polishing object, and is excellent in planarization property. The polishing pad has a high polishing rate and is excellent in planarization property. The polishing pad grooves become very little clogged with abrasive grains or polishing swarf during polishing and, even when continuously used for a long period of time, the polishing rate is scarcely reduced.09-08-2011
20120149794N,N,N'-Trimethyl-Bis-(Aminoethyl) Ether and its Derivatives as Catalysts for Polyurethanes - The present invention provides compounds produced by the reaction of glycidyl ethers and glycidyl esters with ether compounds including N,N,N′-trimethyl-bis-(aminoethyl)ether. N,N,N′-trimethyl-bis-(aminoethyl)ether and its derivatives can be used as polyurethane catalysts.06-14-2012
20110105635POLYURETHANE FOAM FOR USE IN MEDICAL IMPLANTS - The present invention provides a polyurethane implant that is porous and degradable, and act as a scaffold for the repair of damaged tissue. Importantly, the implant of the present invention is biocompatible with the degradation products of the implant causing minimal immune or cytotoxic reaction. The present invention also provides for a method of making these biocompatible implants.05-05-2011
20100174007Haloneopentyl Bis(ALKYL) Phosphate Ester, Flame Retardant Composition Containing Same and Polyurethane Foam Prepared Therewith - A haloneopentyl dialkylphosphate ester possesses the general formula wherein each X is Br or Cl, provided at least two of X are Br, and R07-08-2010
20120178842HALOGEN-FREE, FLAME-PROOF POLYMER FOAMS CONTAINING AT LEAST ONE OLIGOPHOSPHORUS COMPOUND - Halogen-free, flame-retardant polymer foams which comprise, as flame retardant, at least one cyclic or acyclic oligophosphorus compound, and processes for their production. Examples of suitable oligophosphorus compounds are those having the structure Ia, Ib, or Ic:07-12-2012
20100280141COMPOSITIONS AND USE OF CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE FOAM-FORMING COMPOSITION IN THE PREPARATION OF POLYISOCYANATE-BASED FORMS - A foam-forming composition is disclosed which includes both cis-1,1,1,4,4,4-hexafluoro-2-butene and a poorly compatible active hydrogen-containing compound having two or more active hydrogens. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of effective amounts of the foam-forming composition and a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam by reacting an effective amount of the foam-forming composition with a suitable polyisocyanate.11-04-2010

Patent applications in class Cellular product derived from a -N=C=X containing reactant wherein X is a chalcogen atom

Patent applications in all subclasses Cellular product derived from a -N=C=X containing reactant wherein X is a chalcogen atom