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| Number | Title | Issue Date |
| 7335902 | Container for storing radioactive materials A urethane based polymer composition is provided that exhibits superior shielding properties during and after exposure to high level radiation. The composite is formed by mixing a liquid isocyanate monomer, preferably 4,4′-diisocyanate monomer with a liquid phenol... | 02/26/2008 |
| 7189444 | Cladding resin composition The invention relates to a cladding resin composition curable by heat, ultraviolet radiation, an electron beam or the like. The composition comprises a polyoxyalkylene polyol phosphate ester (hydroxyl value: 10–2,000 mg KOH/g) and a polymerizable or reactive funct... | 03/13/2007 |
| 6805815 | Composition for shielding radioactivity A urethane based polymer composition is provided that exhibits superior shielding properties during and after exposure to high level radiation. The composite is formed by mixing a liquid isocyanate monomer, preferably 4,4′-diisocyanate monomer with a liquid phenol... | 10/19/2004 |
| 6730715 | Dental restorative composition, dental restoration, and a method of use thereof A curable dental restorative composition comprising about 1 to about 90 wt %, based on the total weight of the composition, of a filler component, the filler component comprising about 10 to 100 wt %, based on the total weight of the filler component, of a surface r... | 05/04/2004 |
| 6346324 | Cis-bridged metal complexes and catalyst systems containing the same Disclosed is a cis-bridged metal complex of the formula (I) ##STR1## where R5 is an electron-withdrawing radical, and catalyst systems based on these complexes for copolymerizing carbon monoxide and olefinically unsaturated compounds.... | 02/12/2002 |
| 6103867 | Catalyst systems for producing copolymers of carbon monoxide and olefinically unsaturated compounds The catalyst systems comprise as active constituents a) a metal complex of the formula (I) ##STR1## b) one or more Lewis or protic acids or a mixture of Lewis and protic acids.... | 08/15/2000 |
| 5747569 | Composition for flame-retardant cast panels made of (meth)acrylic polymers and panels obtained from this composition The invention relates to compositions for flame-retardant cast panels made of (meth)acrylic polymers. The composition comprises at least one (meth)acrylic ester monomer, (meth)acrylic acid and at least one phosphorus compound which is anhydrous and is cho... | 05/05/1998 |
| 5747638 | Process for the preparation of a copolymer of carbon monoxide A process for the copolymerization of carbon monoxide with ethene and optionally another olefinically unsaturated compound in which process the monomers are copolymerized in the presence of a liquid diluent and a catalyst composition which is based on (a)... | 05/05/1998 |
| 5734010 | Process for the preparation of copolymers of carbon monoxide and at least one compound containing an alkenyl unsaturation Linear alternating copolymers of carbon monoxide and at least one compound containing an alkenyl unsaturation are obtained by reaction between carbon monoxide and at least one compound containing an alkenyl unsaturation, in a solvent which is liquid under... | 03/31/1998 |
| 5717060 | Process for the preparation of copolymers based on carbon monoxide and at least one compound containing an alkenyl unsaturation An improved process is described for the preparation of alternating linear copolymers based on carbon monoxide and at least one compound containing an alkenyl unsaturation which comprises reacting in a liquid solvent under the operating conditions, a mixt... | 02/10/1998 |
| 5622999 | Polysilicic acid/polyisocyanate basic materials, binding materials and foams and process for preparing same The invention relates to novel polysilicic acid/polyisocyanate basic materials, binding materials and foams with improved mechanical properties as well as a higher resistance against heat and chemicals. It is characteristic of the new base materials that ... | 04/22/1997 |
| 5300558 | Curable resin coating composition A curable resin composition comprising: (A) a compound having at least one curable acrylic radical, methacrylic radical or vinyl radial, or a mixture thereof; (B) an organic solvent containing an alcoholic organic solvent with an amount of not less than 40% by... | 04/05/1994 |
| 5059670 | Thermosettable compositions containing alkoxylated aromatic compounds Rigid polyurethane-modified polyisocyanuate compositions having improved physical properties are obtained by curing thermosettable compositions containing alkoxylated aromatic compounds, organic polyisocyanates and cyclic alkylene carbonates using an isoc... | 10/22/1991 |
| 4945118 | (Haloneocarbyl-substituted)(aliphatic or oxyaliphatic)(halogenated aliphatic or oxyaliphatic)-phosphorates with polyurethanes Included are the title phosphorate compounds, and a process to prepare them comprising contacting a carbylphosphorate mono acid halide with a carbyloxide. For example, ((2-(3-bromo-2,2-bis(bromomethyl)propoxy)ethyl(chloroethyl)-(ethyl))phosph orate ca... | 07/31/1990 |
| 4912142 | Antistatic phase-segregated polyurethanes This invention is an antistatic thermoplastic, phase-segregated polyurethane containing, as an antistatic additive an effective amount of a monovalent metal tetraphenylboron salt, in the substantial absence of a fatty acid salt, a C6 -C30 | 03/27/1990 |
| 4874812 | Single-component polyrethane coating mass A single-component polyurethane coating mass, applicable in a dry layer up to 2000 microns thick, containing a mixture of 50 to 67 wt. % of an aromatic di- or polyisocyanate as the isocyanate component.... | 10/17/1989 |
| 4843106 | Modified polymer polyols Fluid polymer polyol dispersions which impart improved fire resistance to polyurethane foam. The fluid polymer polyol dispersions are prepared by grafting one or more monomers onto a polyol backbone with the difference that the grafting takes place in the... | 06/27/1989 |
| 4806571 | Organic composition containing a fluoroalkyl sulfonic acid salt An antistatic additive for polymers, particularly polyurethanes, is disclosed. The additive comprises an ionizable metal salt of a fluoroalkyl sulfonic acid and an enhancer. The enhancer is generally a salt or ester of a carboxylic acid or a phosphate est... | 02/21/1989 |
| 4778844 | Process for the production of flame-retardant polyurethane products Flame-retardant polyurethane products are produced by mixing and reacting a basic salt-forming compound with an acidic salt-forming compound containing phosphorus and/or halogen compounds in a polyol and/or a polyisocyanate, then reacting the polyol and p... | 10/18/1988 |
| 4748192 | Aliphatic polyurethane sprayable coating compositions and method of preparation An aliphatic, isocyanate-base, polyurethane polymer and a process for preparing the polymer. The process comprises reacting, such as by spraying onto a substrate or an open mold, a caprolactone polyol with an aliphatic isocyanate in the presence of a cata... | 05/31/1988 |
| 4748201 | Sprayable polyurethane composition and method of preparation An aromatic, isocyanate-base, polyurethane polymer and a process for preparing the polymer. The process comprises reacting, such as by spraying onto a substrate or an open mold, a caprolactone polyol with a methylene dipara phenylene isocyanate in the pre... | 05/31/1988 |
| 4746682 | Polyurethane flame retardant A liquid composition is provided suitable for use as a flame retardant additive for polyurethane foams. The composition overcomes the problems of high viscosity and precipitates forming in formulations of phosphate esters and polybromodiphenyl oxides and ... | 05/24/1988 |
| 4738989 | Aliphatic polyurethane compositions and method of preparation An aliphatic, isocyanate-base, polyurethane polymer and a process for preparing the polymer. The process comprises reacting, such as by spraying onto a substrate or an open mold, a caprolactone polyol with an aliphatic polyisocyanate in the presence of a ... | 04/19/1988 |
| 4709002 | Method for the preparation of rigid non-cellular reaction injection molded thermoset polyisocyanurate compositions A method for the preparation of a molded reaction injection molded rigid non-cellular polyisocyanurate polymer composition by injecting at least two streams into the mold cavity of a RIM machine to react at temperatures of from about ambient to about 140Â... | 11/24/1987 |
| 4686241 | (Haloneocarbyl-substituted)-bis(aliphatic hydrocarbyl)phosphorates with polyurethanes Included are the title phosphorate compounds, and a process to prepare them comprising contacting a carbylphosphorate acid halide with a carbyloxide. For example, (3-chloro-2,2-bis(bromomethyl)propyl)bis(ethyl)phosphorate can be prepared with 3,3-bis(brom... | 08/11/1987 |
| 4622361 | Flame retarded high modulus polyurethane elastomers and method of making same A high modulus polyurethane elastomer having improved combustion resistance and satisfactory physical properties comprising the reaction product of a polyol or polymer polyol, a low molecular weight chain extender, a liquid organic polymeric isocyanate ha... | 11/11/1986 |
| 4617325 | Organic polymers containing antistatic agents comprising the polymer having dispersed therein a non-volatile ionizable metal salt and a phosphate ester An antistatic agent for polymers, particularly polyurethanes is disclosed comprising an ionizable metal salt and an enhancer comprising a phosphate ester.... | 10/14/1986 |
| 4594380 | Elastomeric controlled release formulation and article comprising same Means for the sustained release of an active agent into the environment comprise an elastomeric matrix and the active agent contained in the matrix. The matrix material has a modulus between about 104 Pa and about 108 Pa at 23° C., ... | 06/10/1986 |
| 4513114 | Polyester composition A polyester composition with an excellent high-speed melt-spinning property, comprising (A) 100 parts by weight of a matrix polyester resin comprising at least 80 molar % of an ethylene terephthalate recurring unit, and (B) 0.2 to 7 parts by weight of a disper... | 04/23/1985 |
| 4373057 | Process for making curable adhesive polyurethane products This invention is directed to a polyurethane product produced by a one step process, in the absence of a polymerization catalyst, with reactants, and additives, if any, being initially intermingled in the ambient room temperature range and reacted with in... | 02/08/1983 |
| 4179483 | 2-Chloroethyl phosphonates The present invention relates to 2-chloroalkyl (2-chloroalkyloxy)hydrocarbylphosphinylpropionates and a process for the preparation thereof. The invention also includes combinations of the said 2-chloroalkyl (2-chloroalkyloxy)hydrocarbylphosphinylpropiona... | 12/18/1979 |
| 4123420 | Aromatic copolyester composition containing phosphorus compounds An aromatic copolyester composition comprising (A) an aromatic copolyester derived from terephthalic acid, isophthalic acid and a bisphenol and (B) a phosphorus-containing compound represented by the general formula (II) ##STR1## wherein n is 0 or an... | 10/31/1978 |
| 4094852 | Process for the production of polytriazines in the presence of high-boiling esters A polytrimerizable mixture of 30 to 99.9% by weight of at least one aromatic, polyfunctional cyanic acid ester or a prepolymer thereof, and 0.1 to 70% by weight of at least one high-boiling ester with a boiling point above 250° C at 760 Torr, Said mixture res... | 06/13/1978 |
| 4083818 | Flame retardant polymers Compounds such as methylbis(2,4,6-tribromophenyl)phosphonate and phenylbis(2,4,6-tribromophenyl)phosphonate are useful as flame retardants for organic polymers and resins such as polyurethane foams, polyesters, and polystyrene.... | 04/11/1978 |
| 4067931 | Flame retardant polyoxymethylene diphosphonates Polyoxymethylene diphosphonates having the formula ##STR1## wherein the R groups are the same or different and are selected from alkyl, haloalkyl, hydroxyalkyl, or (R1 and R2) or (R3 and R4) are joined toge... | 01/10/1978 |
| 4046719 | Flame-retardant resinous compositions containing trihaloneopentyl haloalkyl phosphates Flame-retardant resinous compositions comprise an organic polymer and a phosphate that has the structural formula ##STR1## wherein each X represents bromine or chlorine; R represents haloalkyl having 2 to 4 carbon atoms and 1 to 5 bromine and/or chlo... | 09/06/1977 |
| 4035331 | Solid, rapid-setting, rigid polyurethanes Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an organic aromatic polyisocyanate, such as toluene diisocyanate and a liquid mo... | 07/12/1977 |
| 4022852 | Process for making phosphorus sulfamides Production of phosphorus-containing sulfamide derivatives of the general formula: ##STR1## In the above formula, R1 stands for an alkyl radical or a halogen-substituted, alkyl radical having from 1 to 6 carbon atoms or stands for an a... | 05/10/1977 |
| 4002580 | Fire-retardant polyurethane Polyurethanes incorporating 2,3-dibromobutenediol-1.4, as a reactive fire-retardant component and chain extender, in combination with organophosphorous compounds, to effect a decrease in the amount of brominated diol necessary, and thus in the bromine con... | 01/11/1977 |
| 4001176 | Ring phosphonates as flame-retardants A nine-membered ring phosphonate compound having the formula ##STR1## wherein R1 is hydrogen or methyl, R2 is phenyl or substituted phenyl wherein the substitution is one or more of halogen, nitro, lower alkyl, cyclohexyl, alkox... | 01/04/1977 |
