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7635748 |
Resin and article molded therefrom
The resin of the invention comprises both a phosphorus-containing residue having a bicycloalkyl structure and a specific divalent phenol residue. The invention provides a resin having excellent...
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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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7560525 |
Crystalline polyphosphonates and methods related thereto
Disclosed are crystalline polyphosphonates and a method to induce crystallization. These crystalline polyphosphonates exhibit a unique and advantageous combination of properties, allowing for solid...
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7547757 |
Methods for manufacturing aryl-aryl coupled polymers
Aryl-aryl coupled polymers are manufactured using a water-soluble noble metal catalyst. The hydrophilicity of the catalyst facilitates the separation of the catalyst from the polymer product. The...
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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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7488534 |
Organic-inorganic composite particle and process for preparation thereof
An organic-inorganic composite particle containing an inorganic particle having a plurality of polymer particles attached to the inorganic particle and a polymer layer encapsulating the attached...
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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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7442757 |
Resin, resin composition, method for manufacturing the same, and molded material including the same
A thermoplastic resin contains a polymer, and the polymer includes a divalent phosphate residue having a spiro ring, represented by formula (1), in a molecule and has a number average molecular...
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7439275 |
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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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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7375178 |
High refractive index thermoplastic polyphosphonates
High refractive index, melt processable polyphosphonates and methods for preparing the same are provided. These polymers are particularly useful for optical and ophthalmic parts, such as lenses. A...
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7355057 |
Liquid transition metal acetylide chromophores
The present invention relates to a series of platinum acetylide nonlinear optical chromophores which are liquid at room temperature. The viscosity of these liquid chromophores is low enough that...
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7348396 |
Modified polyethylenephosphinic acids and their salts
The invention relates to polymeric phosphinic acids and their salts of the formula (I)
where
X is hydrogen or 1/m of a metal of valency m, or is a protonated nitrogen base, R 1 and R 2 are...
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7345138 |
Biodegradable polyphosphates for controlled release of bioactive substances
The present invention is directed to a biodegradable system for the controlled release of bioactive substances. This system comprises novel biodegradable and biocompatible polyphosphoesters that...
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7309758 |
Polybenzimidazole compounds, polymeric media, and methods of post-polymerization modifications
A PBI compound includes imidazole nitrogens at least a portion of which are substituted with a moiety containing a carbonyl group, the substituted imidazole nitrogens being bonded to carbon of the...
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7301003 |
Method of preparing polymers having terminal amine groups
The present invention is directed to methods of preparing linear polymers such as polyalkylene oxides containing a terminal amine in high purity. One preferred method includes reacting a...
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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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7262265 |
High temperature thermoset compositions
A new family of high temperature thermoset resins having high glass transition temperatures and enhanced hygrothermal stability that are synthesized using inexpensive starting materials in...
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7241833 |
Phenolic novolaks and process for production thereof
A process for production of phenolic novolak which comprises the step of conducting heterogeneous reaction of a phenol with 0.40 to 0.93 mol of an aldehyde per mol of the phenol in the presence of...
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7226987 |
Aromatic polymer phosphonic acid derivative and process for production the same
Provided is an aromatic polymer phosphonic acid derivative in which a phosphonic acid derivative group is directly bound to aromatic ring. Said aromatic polymer phosphonic acid derivative can be...
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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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7202311 |
Phosphine oxide hydroxyarl mixtures with novolac resins for co-curing epoxy resins
There is disclosed a novel mixture of polyhydroxy phenolic curing agents, such as novolac resins blended with a mixture of mono, bis and tris hydroxyaryl phosphine oxides for co-curing epoxy resins...
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7201957 |
Phosphine oxide hydroxyaryl mixtures with novolac resins for co-curing epoxy resins
There is disclosed a novel mixture of polyhydroxy phenolic curing agents, such as novolac resins blended with a mixture of mono, bis and tris hydroxyaryl phosphine oxides for co-curing epoxy resins...
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7199214 |
Process for the preparation of polyalkoxyamines which can be used as initiators for the radical polymerization of polyfunctional living (CO)polymers
The present invention is directed to a process for the preparation of polyalkoxyaminies from monoalkoxyamine(s) of formula (I)
and of at least one polyunsaturated compound of formula (II):
...
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7155100 |
Flame-retardant optical fiber coating composition
An optical fiber comprises a flame retardant tight-buffer coating. The tight-buffer coating has a limiting oxygen index of at least 20% and preferably has a durable tensile strength. Flame...
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7135542 |
Bidentate ligands for the carbonylation of unsaturated compounds
Bidentate ligand of formula (I), R 1 R 2 M 1 -R-M 2 R 3 R 4 wherein M 1 and M 2 each indenpendently represent P, As or Sb; R 1 , R 2 , R 3 and R 4 each independently represent the same or a...
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7129320 |
Modified polyethylenephosphinic acids and their salts
The invention relates to polymeric phosphinic acids and their salts of the formula (I)
where
X is hydrogen or 1/m of a metal of valency m, or is a protonated nitrogen base, R 1 and R 2 are...
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7129321 |
Thiophosphine compounds and methods of making polymerizable compositions containing them and their use for making ophthalmic lenses
Thiophosphine compounds (also named phosphine sulfide compounds) and their use for making polymerizable compositions which after polymerization give optically transparent articles, such as...
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7067083 |
High refractive index thermoplastic polyphosphonates
High refractive index, melt processable polyphosphonates and methods for preparing the same are provided. These polymers are particularly useful for optical and ophthalmic parts, such as lenses. A...
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7064157 |
Flame retardant resin and flame retardant composition containing the same
The present invention relates to a phosphorus-containing epoxy resin, which is an epoxy resin modified with a side chain having a reactive phosphorus-containing compound. Also, the present...
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7033732 |
Method of preparing anti-reflective coating polymer and anti-reflecting coating composition comprising an anti-reflecting coating polymer
Disclosed are an organic anti-reflective coating polymer having a structure represented by the following formula I which is introduced to the top portion of photoresist, its preparation method and...
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7033680 |
Electroluminescent element
An electroluminescent device comprising electrodes consisting of a pair of an anode and a cathode, at least one of the electrodes being either transparent or translucent, and an organic layer...
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6984717 |
Phosphorous containing materials, their preparation and use
The present invention is directed towards phosphorous containing organic materials, processes for making them and uses thereof. These materials preferably impart and/or exhibit resistance to...
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6984716 |
Phosphorus-containing compound
A phosphorus-containing compound represented by formula (I) and a preparation method thereof are provided. An addition reaction is performed for an organic cyclic phosphorus compound with an aryl...
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6979719 |
Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group
The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a...
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6949621 |
Polymer containing 9-oxo-9-phosphafluorene-2,7-diyl skeleton in backbone and process for producing the same
A polymer containing in the backbone a 9-oxo-9-phosphafluorene-2,7-diyl skeleton or a combination of the skeleton with a vinylene skeleton or arylene skeleton. The polymer is utilizable as, e.g., a...
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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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6861499 |
Branched polyphosphonates that exhibit an advantageous combination of properties, and methods related thereto
Disclosed are branched polyphosphonates produced via a superior transesterification process, and methods related thereto. These branched polyphosphonates exhibit a unique and advantageous...
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6855799 |
Polymeric phosphite composition and hydrocyanation of unsaturated organic compounds and the isomerization of unsaturated nitriles
A polymeric composition, a process for producing the composition, and a process for using the composition in, for example, hydrocyanation or isomerization are disclosed. The composition comprises...
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6833432 |
Conjugated poly(2,7-carbazole) derivatives and process for the preparation thereof
The invention relates to conjugated poly(2,7-carbazole) derivatives comprising repeating, alternating or random units of the formula: wherein R represents a linear or branched alkyl group having...
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6830834 |
Organic light emitting devices with host-guest bonding
A compound having a host moiety chemically bonded to at least one guest moiety according to the following general molecular structure: H o —(L—G) n. H o represents a host moiety that receives...
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6828406 |
Method of producing organic semiconductors having high charge carrier mobility through &pgr -conjugated crosslinking groups
The organic polymers of the invention have electrical semiconductor properties. The compounds have a backbone of phenylene groups to which side groups with semiconductor properties, or which impart...
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6805876 |
Phosphate based biodegradable polymers
Featured are biodegradable polymers comprising repeat units derived from cyclic phosphate monomers and optionally further comprising repeat units derived from lactide or caprolactone monomers. Also...
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6767989 |
Phosphorus compounds
Compounds of formula (I), wherein each of R and R′ are independently selected from hydrogen, a hydroxyl group, a carboxyl group, an alkyl, aryl or alkaryl group or a hydroxy or carboxy...
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6733698 |
Mixture of mono-, bis- and tris-(hydroxyaryl) phosphine oxides useful to make polyglycidyl ethers or in epoxy compositions
A mixture of hydroxyarylphosphine oxides comprising (a) a mono(hydroxyaryl)phosphine oxide, (b) a bis(hydroxyaryl)phosphine oxide, (c) a tris(hydroxyaryl)phosphine oxide, and, optionally (d) a tri-...
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6730773 |
Salt of a melamine condensation product and a phosphorous-containing acid
Salt of a melamine condensation product and a phosphorus-containing acid, the phosphorus-containing acid being a monobasic phosphorus-containing acid. Further a method for the preparation of a...
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6713598 |
Method to make a solid polymeric phosphate and resinous compositions containing it
Disclosed is a method for the preparation of polymeric phosphate flame retardants with a molecular weight of at least about 1500 and a softening temperature of at least about 10° C. comprising the...
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6710161 |
Polymer composition and monomer composition for preparing thereof
A polymer composition is provided including copolymer particles bearing phosphorus acid groups dispersed in an aqueous medium, wherein the polymer composition is substantially-free of water soluble...
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6657043 |
Polyalcoxyamines obtained from β-substituted nitroxides
The invention relates to polyalcoxyamines obtained from beta-substituted nitroxides of formula (1) wherein A represents a di- or polyvalent structure, R1 represents a molar mass of more than 15 and...
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6646106 |
Optically active linear polymer used as ligand in the preparation of metallic complexes designed for asymmetric catalysis
The invention concerns optically active polymers, obtainable by polymerizing chiral diphosphine having a C2 axis of symmetry, excluding all other symmetry element, with one or several polymerizable...
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