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7615601 |
Process for production of living radical polymers and polymers
A process for producing a living radical polymer characterized in that a vinyl monomer is polymerized with use of a living radical polymerization initiator represented by the formula (1) and a...
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7544766 |
Method for the polymerization of cyclic ethers
The present invention relates to a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymer, diester or monoester by polymerizing tetrahydrofuran in the presence of at least one...
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7507785 |
Polymeric co-initiators
A novel polymeric co-initiator is disclosed comprising a dendritic polymer core with at least one co-initiating functional group as an end group. The polymeric co-initiators are useful in radiation...
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7473718 |
Actinic ray curable composition, and actinic ray curable ink and image forming method by use thereof
An actinic ray curable composition is disclosed, comprising and oxetane ring-containing compound and an epoxy compound, in which the oxetane ring-containing compound comprises a compound containing...
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7468441 |
1-imidazolymethyl-substituted-2-naphtols and their use as accelerators for low-temperature curing
Compounds of the general formulae (I) and (II): where R 1 , R 2 and R 3 each independently of one another are H; C 1-17 alkyl; C 3-12 cycloalkyl, optionally substituted by C 1-4 alkyl groups; C...
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7456249 |
Catalyst, its preparation and the polymerization of cyclic ethers over this catalyst
The present invention relates to a solid, acid catalyst for the preparation of polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers by polymerization of...
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7323528 |
Block copolymers containing functional groups
The present invention provides a block copolymer of styrene and an unsaturated cyclic anhydride, such as maleic anhydride, a process for making a copolymer using controlled free radical...
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7291690 |
Process for production of living radical polymers and polymers
A process for producing a living radical polymer characterized in that a vinyl monomer is polymerized with use of a living radical polymerization initiator represented by the formula (1) and a...
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7276573 |
Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymers
The present invention provides a process for preparing mono- or diesters of polytetrahydrofuran or of tetrahydrofuran copolymers by polymerizing tetrahydrofuran in the presence of at least one...
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7259229 |
Electroactive fluorene polymers having perfluoralkyl groups, process for preparing such polymers and devices made with such polymers
The present invention is generally directed to perfluoroalkylated fluorene polymers. It further relates to a process for preparing the polymers and devices that are made with the polymers.
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7217769 |
Medical device with plasma cross-linked hydrophilic coating
A medical device with a hydrophilic and lubricious coating, wherein the coating includes a hydrophilic polymeric unit layer deposited on the medical device and cross-linked with a plasma deposited...
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7208568 |
Resin curable with actinic radiation, process for the production thereof, and photocurable and thermosetting resin composition
A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B)...
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7196145 |
Heterofunctional copolymers of glycerol and polyethylene glycol, their conjugates and compositions
The present invention relates to heterofunctional copolymers of glycerol and polyethylene glycol, conjugates of these heterofunctional copolymers with bioactive agents, nanoparticles, hydrophobic...
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7148318 |
Method for producing polytetrahydrofurane having a low color indices
The invention provides a process for preparing polytetrahydrofuran, tetrahydrofuran copolymers, their monoesters or diesters and the monoesters or diesters of polytetrahydrofuran having a low color...
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7132168 |
Resin curable with actinic radiation, process for the production thereof, and photocurable and thermosetting resin composition
A printed circuit board that includes a solder resist has a photocurable and thermosetting resin composition which comprises (A) an actinic energy ray-curable resin having at least one structure...
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7112650 |
Method for the production of thermoplastic poly(3-hydroxyalkanoates)
A process for preparing thermoplastic poly(3-hydroxyalkanoates) with a molar mass greater than 6 000 g/mol and a melting point in the range from 70 to 170° C., by reacting an oxirane compound with...
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7112635 |
Acid catalyzed copolymerization of water, tetrahydrofuran and multifunctional epoxides and uses thereof
Non-gelled polymeric polyols are prepared by the acid catalyzed copolymerization of water, tetrahydrofuran and multifunctional epoxy resins. The polyols can be cured with OH reactive crosslinkers...
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7105620 |
3,4-alkylenedioxy-thiophene copolymers
An aqueous dispersion of a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene...
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7060786 |
Heat resistant resin composition and adhesive film
A resin composition comprising the associated product of a polyimide resin having phenolic hydroxyl groups in the skeleton with an epoxy resin-curing catalyst, an epoxy resin having at least two...
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7022805 |
Process for the preparation of acetal polymers
The present invention relates to a process for the preparation of acetal polymers, in particular of polyoxymethylene (POM) by cationic polymerization where organophosphonic and/or organophosphinic...
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7001938 |
Epoxy resin curing compositions and resin compositions including same
Epoxy resin composition curing agents, which include a primary amino alcohol, are disclosed. Specifically, the invention relates to curing agents which include a primary amino alcohol physically...
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6995223 |
3,4-alkylenedioxy-thiophene copolymers
An aqueous dispersion of a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene...
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6987201 |
Acetic anhydride, method of purifying crude acetic anhydride, and method of producing polyoxytetramethylene glycol using acetic anhydride
The present invention provides acetic anhydride, a method of purifying crude acetic anhydride, and a method of producing polyoxytetramethylene glycol using acetic anhydride. A method of producing...
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6977236 |
Preparation of a double metal cyanide catalyst
The present invention relates to a process for the preparation of a double metal cyanide (DMC) catalyst, which process involves:
(a) combining an aqueous solution of metal salt with an...
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6946503 |
Amine blend accelerators for polyoxyalkylenepolyamine cured epoxy resins
Provided herein are amine blends which may be used in place of N-aminoethyl piperazine as accelerator in the curing reaction of epoxy resins.
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6911490 |
Aqueous curing agents for aqueous epoxy resin dispersions
Aqueous curing agents for epoxy resin dispersions comprising mixtures, adducts and/or salts of partly esterified organic phosphoric acids A1 or partly esterified phosphonic acids A2 with organic...
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6870061 |
Continuous process and system for production of glycidyl nitrate from glycerin, nitric acid and caustic and conversion of glycidyl nitrate to poly(glycidyl nitrate)
A continuous and scalable process for producing glycidyl nitrate, or glyn, from glycerin, nitric acid, and caustic wherein the process includes the reaction of glycerin and nitric acid to form...
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6867282 |
Photocurable and thermosetting resin composition
The photocurable and thermosetting resin composition of the present invention includes (A) an actinic energy ray-curable resin having at least one structure represented by the following general...
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6861501 |
Process for making stable cured poly(glycidyl nitrate) and energetic compositions comprising same
A process is provided in which at least one multi-functional alcohol having a hydroxyl functionality of at least two serves as a polymerization initiator. The multi-functional alcohol initiator is...
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6861500 |
Resins curable with actinic energy ray, process for the production thereof, and photocurable and thermosetting resin composition
A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a...
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6835801 |
Activated starter mixtures and the processes related thereto
The present invention is directed to an activated starter mixture which can be used to prepare polyoxyalkylene polyols. The present invention is also directed to a process for preparing an...
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6833431 |
Double-metal cyanide catalysts for preparing polyether polyols
The invention is directed to a double-metal cyanide catalyst for the preparation of a polyether polyol by the polyaddition of an alkylene oxide on to a starter compound containing active hydrogen...
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6822341 |
Latent catalysts for molding compounds
A latent catalyst particularly useful in epoxy molding compositions for use in electronic packaging materials is provided. The latent catalyst is in the form of a curative represented by a...
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6803445 |
Moisture curable polyurethane and/or epoxy resin composition and storage stabilizer contained therein
A moisture curable polyurethane composition comprising (A) a urethane prepolymer having two or more isocyanate groups in the molecule, (B) an inorganic filler as a storage stabilizer, (C) an...
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6797821 |
Phosphorus-containing flame-retardant hardeners, epoxy resins, advanced epoxy resins and cured epoxy resins
The present invention discloses an active-hydrogen-containing phosphorus compound for cross-linking a resin and for imparting flame-retardancy to the cured resin, and in particular to a cured...
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6797750 |
Flame-retardant epoxy resin composition, molded article thereof, and electronic part
The present invention has an object to provide a flame-retardant epoxy resin composition excellent in heat resistance and moisture resistance. A flame-retardant epoxy resin composition relating to...
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6794451 |
Cationically polymerizable liquid composition and tacky polymer
A cationically polymerizable liquid composition is formed from a cationically polymerizable mixture (A) and a solid resin (B) that is compatible with the mixture (A) at room temperature and has a...
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6713599 |
Formation of polymer polyols with a narrow polydispersity using double metal cyanide (DMC) catalysts
A method of forming a polyol includes the steps of reacting an initiator with an alkylene oxide, and optionally carbon dioxide, in the presence of a double metal cyanide catalyst and a sterically...
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6706417 |
Fluxing underfill compositions
This invention relates to fluxing underfill compositions useful for fluxing metal surfaces in preparation for providing an electrical connection and sealing the space between semiconductor devices,...
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6677426 |
Modified epoxy resin composition, production process for the same and solvent-free coating comprising the same
There is provided a modified epoxy resin composition including a reaction product of an epoxy resin and an alkyl-substituted acetoacetate and a reaction product of an alcohol having at least one...
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6670017 |
Photocurable form-in-place gasket for electronic applications
Photocurable compositions and process for providing form-in-place gaskets using automated placement followed by photocuring of a pattern of a non-silicone composition comprising a liquid polyolefin...
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6664365 |
Process for producing poly(alkylene oxide) in the presence of a phosphazenium salt or compound
The present invention provides a novel salt useful as an active species in an organic reaction and represented by the following chemical formula (1): wherein n stands for an integer of from 1 to...
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6653419 |
Polyfluorinated epoxides and associated polymers and processes
A method for producing partially fluorinated epoxides and corresponding polyether homopolymers of these polyfluorinated epoxides is described. Also described is a method for incorporating a...
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6642344 |
Curing agents for epoxy-based polymers
A method for making flexible epoxy resins by curing an epoxide and a bis-phenol with an aliphatic secondary diamine having the structural formula (I) or (II): where R 1 and R 2 are each...
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6624216 |
No-flow underfill encapsulant
A curable underfill encapsulant composition which is especially useful in the no-flow underfill encapsulation process. The composition contains an epoxy resin, a fluxing agent, a linear...
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6617418 |
Hyperbranched dendritic polyether and process for manufacture thereof
A hyperbranched dendritic polyether, which optionally is further processed, such as further chain extended, chain terminated and/or functionalised. The hyperbranched dendritic polyether is obtained...
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6576687 |
Wet-strength agent with low DCP content
The invention relates to a novel process for the preparation of polycondensate solutions based on polyamidoamine/epichlorohydrin resins that gives products having a very low content of organic...
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6576297 |
Curable resin compositions
A coating, sealant or adhesive composition curable at ambient temperatures of 40° C. or below comprises an epoxy resin and an amine-functional curing agent. The curing agent comprises a material...
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6559278 |
Method for producing tetrahydrofuran polymers
The invention relates to a method for continuously or discontinuously producing tetrahydrofuran polymers by homopolymerization of tetrahydrofuran, alkyl-substituted tetrahydrofurans and/or alkylene...
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6534179 |
Halogen free triazines, bismaleimide/epoxy polymers, prepregs made therefrom for circuit boards and resin coated articles, and use
A halogen-free dielectric resin mixture is described for use in microvia and other similar applications. The resin mixture contains a cyanate ester monomer or prepolymer a bismaleimide, an epoxy...
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