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8167992 |
Dispersant and compositions thereof
A composition comprising a particulate Solid, an organic medium and a compound with an alkyleneoxy compound with an inorganic acidic polar head group (Z), wherein the compound is defined by Formula...
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8163439 |
Electrolyte membranes and methods of use
N-heterocyclic functionalized polymers and methods of use in fuel cells. Phenoxy-substituted polyphosphazenes and phosphazene trimers functionalized with azoles can provide polymer electrolyte...
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8063111 |
Anion-conducting polymer, composition, and membrane
Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues....
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8039580 |
Dendritic polymers having monophosphonic terminations, method for preparing them, and their use
The invention relates to novel dendritic polymers having monophosphonic terminations or dimethyl phosphonates, to a method for preparing them, and to their uses.
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7960439 |
Environmentally sensitive foldable oligomers
The invention relates to oligomers of cholic acid, cholate derivatives and amino acids called “foldamers” that undergo conformational changes in response to changes in temperature, solvent pol...
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7956149 |
Polysiliconated phosphoramide fire retardant
Polysiloxane phosphoramide fire retardants are provided having the basic structural unit: wherein, Y is O or S;R′ is selected from a saturated or unsaturated alkyl, an aryl, a heterocyclic, and a c...
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7922764 |
Bioprosthetic heart valve with polyphosphazene
This disclosure encompasses a bioprosthetic heart valve having a polyphosphazene polymer such as poly[bis(trifluoroethoxy)phosphazene], which exhibits improved antithrombogenic, biocompatibility,...
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7915441 |
Oligophosphazene compound
The oligophosphazene compound capable of forming a polymer which can be used as an optical material is a cyclic or linear compound including constituent units represented by the general formula (I)...
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7846980 |
Anion-conducting polymer, composition, and membrane
Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues....
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7842733 |
Aromatic polyether copolymers and polymer blends and fuel cells comprising same
High temperature polymer electrolyte membranes bearing pyridine and tetramethyl biphenyl moieties are provided. Preferred polymers can exhibit good mechanical properties, high thermal and oxidative...
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7838625 |
Dendritic polymers having biphosphonic terminations, derivatives thereof, method for preparing them, and their use
The invention relates to novel dendritic polymers having biphosphonic terminations, to derivatives thereof, to a method for preparing them and to their uses.
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7772340 |
Alkoxyamines originating from β-phoshorated nitroxides and use thereof in radical polymerisation
A subject-matter of the invention is alkoxyamines resulting from β-phosphorated nitroxides corresponding to the formula: in which R represents an alkyl radical having a number of carbon atoms ...
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7763702 |
Synthesis of polyphosphazenes with sulfonimide side groups
The invention relates to sulfonimide bearing phenolic compounds and the use of those compounds to produce polyphosphazenes functionalized by one or more of those compounds alone, or in combination...
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7723463 |
Polyphosphazine-based polymer materials
Methods of removing contaminant matter from porous materials include applying a polymer material to a contaminated surface, irradiating the contaminated surface to cause redistribution of...
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7674875 |
Phosphorus-containing compounds with polymeric chains, and methods of making and using the same
The present invention relates to novel phosphorus-containing compounds with polymeric chains, and methods of making and using the same. In part, subject compositions containing...
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7582683 |
Anion-conducting polymer, composition, and membrane
Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues....
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7524513 |
Biofunctional fibers
The present invention is directed to surface functionalization of polymeric fibers. Surface biofunctionalization is achieved by covalent conjugation of biofunctional igands and/or cell growth...
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7514520 |
Process for producing phosphonitrilic acid ester
A process for producing a phosphonitrilic acid ester. The process comprises using a specific compound as a catalyst to react phosphonitrile dichloride with at least one member selected among phenol...
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7479535 |
Phosphorous-containing compounds with polymeric chains, and methods of making and using the same
The present invention relates to novel phosphorus-containing compounds with polymeric chains, and methods of making and using the same. In part, subject compositions containing...
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7417110 |
Biodegradable polyphosphoramidates for controlled release of bioactive substances
The present invention is directed to a series of new polycationic biodegradable polyphosphoramidates. Process for making the polymers, compositions containing these polymers and bioactive ligands...
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7294685 |
Sulfonated polyphosphazene derivative and method for producing the same
A polyphosphazene derivative and an aromatic ring compound are bonded to one another to obtain an intermediate product. Subsequently, anhydrous sulfuric acid is added in such an amount that the...
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7265199 |
Poly-tri-fluoro-ethoxypolyphosphazene coverings and films
The present invention relates to an anti-thrombogenic, physically well-tolerated polymer and its use for manufacturing sheaths and films as a component of therapeutic devices for preventing...
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7259225 |
Thermosensitive poly (organophosphazenes), preparation method thereof and injectable thermosensitive polyphosphazene hydrogels using the same
Disclosed are polyphosphazenes of Formula 1 showing a sol-gel behavior with a temperature change, a preparation method thereof, and injectable thermosensitive polyphosphazene hydrogels using the same
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7217781 |
Polyphosphazenes including ionic or ionizable moieties and fluorine-containing moieties
A polyphosphate polymer which includes both (i) ionic or ionizable moieties; and (ii) fluorine-containing moieties. Such polymers may be used as matrices for pharmaceuticals, as multilayer coatings...
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7169499 |
Sulfonated polyphosphazenes, uses thereof, and methods for preparing same
Polyphosphazene polymers having at least one sulfonated pendent group, and no more than five different sulfonated pendent groups, repeated along the polymer chain, wherein at least one the repeated...
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6903182 |
Phosphole and diphosphole ligands for catalysis
Novel reactions used to prepare phosphole and bisphosphole compounds are detailed. Novel phosphole compounds and metal coordination compounds of phosphole and bisphosphole compounds are also...
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6605237 |
Polyphosphazenes as gel polymer electrolytes
Co-subsituted linear polyphosphazene polymers that useful in gel polymer electrolytes having an ion conductivity at room temperature of at least about 10−5 S/cm and comprising (i) a p...
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6392008 |
Polyphosphazene polymers
Compositions of polyphosphazene-containing polymers and methods of preparation thereof are provided. The disclosed compositions encompass telechelic functionalized polyphosphazenes and a variety of...
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6140460 |
Catalyst composition
A catalyst composition prepared by reacting together (a) a source of a Group VIII metal (b) a bidentate phosphine ligand having at least two phosphorus atoms joined by a bridging group of the...
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5994497 |
Compositions having a phosphazene derivative and a cross-linking agent
The invention relates to hardenable compositions which contain as the essential constituent, in the non-hardened condition, at least one phosphazene derivative of the general formula...
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5919894 |
Process for preparing polymers with recurring succinyl units
Polymers with repeating succinyl units, in particular polysuccinimide and polyaspartic acid, are prepared using triammonium salts, in particular triammonium phosphates.
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5914388 |
Synthesis polyphosphazenes with controlled molecular weight and polydisperity
A process for the preparation of polyphosphazenes is provided that includes the cationic solution polymerization reaction of a phosphoranimine, using a main group or transition metal halide, or...
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5898062 |
Poly (organophosphazene) hydrogels
Poly (organophosphazene) polymers bearing various ratios of a carboxylic acid containing sidegroup and an alkylamino, alkoxy, or alkoxy ether sidegroup are disclosed. These water-soluble...
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5863981 |
Electrically conducting water-soluble self-doping polyaniline polymers and the aqueous solutions thereof
A self-doped conducting polymer having along its backbone a π-electron conjugated system which comprises a plurality of monomer units, between about 0.01 and 100 mole % of the units having ...
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5844069 |
Copolymers having magnetic properties
The invention provides copolymers having magnetic properties, said copolymers containing aminoaromatic groups, and being based on a structural unit comprising: a first group of aminoaromatic...
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5842471 |
Purification of polyphosphazene polyacids
A method for purification of a polyphosphazene polyacid or acid salt thereof in which a polyphosphazene polyacid or acid salt thereof is dissolved in a concentrated aqueous solution of a salt of...
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5817745 |
Catalyst compositions
A process for the manufacture of polyketones wherein carbon monoxide and at least one olefin are polymerized in the presence of a catalyst. The catalyst is prepared by reacting together a promotor;...
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5817736 |
Epoxy resin mixtures for prepregs and composites based on phosphorus-modified epoxies, dicy and/or aminobenzoic compounds
Epoxy resin mixtures to produce prepregs and composites contain the following components: a phosphorus-modified epoxy resin with an epoxy value of 0.02 to 1 mol/100 g, made up of structural units...
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5759691 |
Phosphorus-modified coating compositions, a process for their preparation, and their use
The invention relates to an expandable, halogen-free, flame-retardant coating composition comprising epoxy resins, polyphosphoric/polyphosphonic esters and a curing agent, which composition...
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5759692 |
Phosphorous-modified coating compositions, a process for their preparation, and their use as an intumescent coating
The invention relates to expandable, halogen-free, flame-retardant coating compositions comprising epoxy resins, polyphosphoric esters and a curing agent, which composition comprises from 75 to 95...
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5747604 |
Polyphosphazenes with unsaturated side groups useful as reaction intermediates, cross-linkable polymers, and as components of interpenetrating polymer networks
A number of new poly(organophosphazenes) have been synthesized which bear 2-butenoxy or 4-allyloxyphenylphenoxy side groups. Co-substituent groups included trifluoroethoxy, phenoxy, or...
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5688888 |
Peralkylated phosphazene base-catalyzed silanol condensation method
Organopolysiloxane oils and gums are produced by the condensation of silanol-terminated organosiloxane in the presence of an effective amount of a peralkylated phosphazene base as a catalyst and at...
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5648171 |
Epoxy resin mixtures containing phosphorus acid/epoxy resin adducts
Epoxy resin mixtures for producing prepregs and composites that are available at low cost and can be processed well yield flame-retardant molding materials even without the addition of flame...
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5633077 |
Infrared radiation blocking insulation product
A thermal insulation product which effectively blocks the transmission of infrared radiation through the product is provided and includes, in combination, an insulating material and a chiral...
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5587243 |
Epoxy resin mixtures containing phosphonic/phosphinic acid anhydride adducts
Epoxy resin mixtures for producing prepregs and composites that are available at low cost and can be processed well yield flame-retardant molding materials even without the addition of flame...
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5569736 |
Inorganic-organic composite polymers and methods of making
The invention is a composition of an inorganic-organic polymer composite and a method of making it. The inorganic portion of the fundamental polymer composite polymer repeat is a speciated...
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5567783 |
Polyphosphazenes bearing crown ether and related podand side groups as solid solvents for ionic conduction
Polyphosphazene polymers having crown ether and related podand side groups have been prepared. The polymers are useful as solid solvents for ionic conduction. Branched polyphosphazene polymers...
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5548060 |
Sulfonation of polyphosphazenes
A method for the alkylsulfonation of polymeric and cyclic trimer phosphazenes that includes reacting the phosphazene with a sultone. This method can be used to prepare sulfonated phosphazenes that...
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5521063 |
Polynucleotide reagent containing chiral subunits and methods of use
The present invention describes an assay system wherein target polynucleotide molecules are captured on a support by base-specific binding to support-bound polymers, which are themselves...
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5464932 |
Photocrosslinkable polyphosphazenes and their use as microencapsulation materials
Chalcone and cinnamate bearing polyphosphazenes are disclosed. The polyphusphazenes contain a sufficient number of chalcone or cinnamate groups, or a combination thereof, to achieve a...
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