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Document Title |
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7595369 |
Method of polymerizing cyclic olefins and vinyl olefins, copolymer produced by the method and optical anisotropic film comprising the same
A method of copolymerizing cyclic olefins and polar vinyl olefins, a copolymer produced by the method, and an optical anisotropic film including the copolymer are provided. According to the...
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7414101 |
Polymerization processes
The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent.
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7399814 |
Living radical polymerization method
A highly active and environment-friendly catalyst for use in a living radical polymerization is provided. A catalyst for use in a living radical polymerization method is provided. The catalyst...
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7279234 |
Methods for identity verification using transparent luminescent polymers
Disclosed are methods of using a transparent, luminescent polymer for transparent marking and/or labeling for identity verification purposes. Also disclosed are sheets, films, markers, labels and...
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7109279 |
Polymerization method in pores of porous metal complex
There is provided a method for producing a polymer, which is characterized by polymerizing or copolymerizing an organic compound monomer or monomers accommodated in pores of a porous metal complex.
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6936672 |
Mold addition polymerization of norbornene-type monomers using group 10 metal complexes
A catalyst system and a process for the bulk addition polymerization or of polycyclic olefins, such as norbornene, methylnorbornene, ethylnorbornene, butylnorbornene or hexylnorbornene, 1,2,3,4,4 a...
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6803429 |
Selective ring-opening cross-metathesis of cycloolefins
A catalytic method is provided for a ring-opening cross-metathesis reaction between a cycloolefinic substrate and a second olefinic reactant, wherein the catalyst used is a transition metal...
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6696519 |
Redox process for preparing emulsion polymer having low residual monomer content
A process for preparing an aqueous emulsion polymer including providing at least one ethylenically unsaturated monomer and a free radical redox initiator system under emulsion polymerization...
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6624265 |
Ruthenium metal alkylidene complexes coordinated with triazolylidene ligands that exhibit high olefin metathesis activity
The invention discloses ruthenium alkylidene complexes of the type (PCy 3 )(L)Cl 2 Ru(CHPh), where L is a triazolylidene ligand of the general formula: These catalysts have been found to be...
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6620898 |
Production of polyisobutylene copolymers
The invention relates to a new improved catalyst to produce random copolymers of one or more iso-olefin monomers and one or more para-alkylstyrene monomers. The invention also relates to an...
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6559326 |
Substituted phosphinophenoxide-metal complexes for the polymerization of olefins
Metal complexes obtainable from a metal precursor of a metal of the 6 th -10 th groups of the Periodic Table in the oxidation state 0 or +2 and a ligand of the formula I, where the radicals are...
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6331596 |
Method of preparing carbamate-functional polymers
A method of preparing a carbamate-functional polymer comprising the steps of providing a hydroxy-functional polymer and reacting a carbamate compound with the hydroxy-functional polymer in the...
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6291612 |
Process for preparing vinyl polymer
A vinyl polymer having a controlled molecular weight and narrow molecular weight distribution is prepared by polymerizing a vinyl monomer using an organic halide polymerization initiator in the...
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6214945 |
Process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions
The present invention is an improved process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions by free radical polymerization of a vinyl aromatic...
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6121371 |
Application of atom transfer radical polymerization to water-borne polymerization systems
A process is provided for the preparation of (co)polymer emulsions or suspensions from a full range of free radically (co)polymerizable monomers, wherein the (co)polymers exhibit the...
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6008307 |
Process for producing olefin polymers using cationic catalysts
A cationic catalyst composition comprising a reactive cation and a compatible non-coordinating anion used at a temperature of 20° C. or less to produce olefin polymers, particularly...
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5962608 |
Polymers made with metal oxide sols
In one embodiment, the present invention relates to a polymer prepared from a mixture containing a polymerization material and a polycondensation product of a partially hydrolyzed chelated metal...
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5856415 |
Optically transparent metal-containing polymers
A method for producing a metal-containing transparent polymer by the reaction of a metal carboxylate, with a clear setting resin system comprising a thermosetting resin and a curing agent. The...
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5744560 |
Metal accelerated polymerization processes
A free radical polymerization process for the preparation of a polymer comprising heating a mixture of a free radical initiator, a stable free radical agent, a metal catalyst, or a metal stable...
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5721331 |
Isobutylene-based polymer and process of producing the same
An isobutylene-based polymer as a polymer of cationically polymerizable monomers principally composed of isobutylene or a combination of isobutylene and a styrene-series monomer, generates a molded...
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5712321 |
Dual-curing coating formulation and method
The polymerizable acrylate formulation, and method utilizing the same, employ a catalyst system that includes a tertiary aromatic amine compound and an air-curing polyether-ene polymer, in a...
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5597858 |
Hydrophobically associating dispersants used in forming polymer dispersions
An improved process for the preparing a dispersions of water soluble cationic polymers in an aqueous salt solution is disclosed. The improvement comprises using as a polymeric dispersion stabilizer...
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5567788 |
Liquid resin-forming composition and two-package system for providing the composition
A liquid resin-forming composition contains a polyether-ene such as a polyallyl glycidyl ether, a free radical-polymerizable monomer such as an acrylate ester, a free radical initiator such as an...
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5567785 |
Suspension polymers based on acrylates and methacrylates
Polymers that can be obtained by suspension polymerization of 50 to 100% by weight of at least one compound selected from the group comprising C 1 -C 18 -alkyl esters of acrylic acid and...
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5475069 |
Polymerization of vinyl ethers
Process for the polymerization of selected vinyl ethers catalyzed by yttrium or rare earth metal perfluoroalkylsulfonates. A preferred perfluoroalkylsulfonate anion is triflate...
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5407973 |
Dental cold-polymerizing resin composition
In a powder-liquid type of dental cold-polymerizing resin composition, the powder component comprises a specific polymer such as polymethylmethacrylate containing a pyrimidinetrione derivative and...
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5393800 |
Two-component coating formulation
A catalyst system for effecting polymerization in a two-part formulation, which contains an oxygen-containing ethylenically unsaturated monomer, consists of a selected acid, a selected aromatic...
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5374697 |
Selected novel sulfonium compounds particularly suitable as initiators for the thermal cure of cationically polymerisable materials
Sulfonium compounds of formula 1 or 2 ##STR1## wherein R is a mononuclear cycloalkyl radical containing 3 to 8 ring carbon atoms or a mononuclear cycloalkyl radical which contains 3 to 8 ring...
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5331043 |
(Meth)acrylate resins with reduced yellowing, their production and use
A silane-containing methacrylate resin composition which produces non-yellowing polymers. The composition contains 20-99.9% by weight (meth)acrylic acid ester, optionally other comonomers or...
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5328970 |
Living polymerization method
A living polymerization method in which an organic aluminum compound having a bulky substituent group is used as a cocatalyst in the living polymerization of a (meth)acrylic acid ester, an epoxide...
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5296567 |
Thermocurable compositions
The present document describes the use of an inhibitor for cationic polymerization as an additive to a thermocurable composition based on at least one cationically polymerizable organic material...
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5268436 |
Radically polymerizable multi-component mixtures and their use (I)
The invention relates to moldable, radically polymerizable multicomponent mixtures containing ethylenically unsaturated, polymerizable compounds, if desired in admixture with soluble and/or...
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5250641 |
Curing of dental resin
A method of curing dental resin according to this invention is characterized by adding a morpholine derivative to a conventional curing process, more particularly, the dental resin is cured by...
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5239024 |
Process for the preparation of alternating copolymers perpared from unsaturated polar compounds and olefins
The invention relates to a process for the preparation of alternating copolymers from unsaturated polar compounds and olefins in the presence of complexing agents, in which the complexing agent...
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5231186 |
Quaternary ammonium salts
Quaternary ammonium salts having a 2, 3, 5, 6-tetrahydroxazolo [2, 3-b] oxazole nucleus, such as 4-aralkyl or alkyl-2, 3, 5, 6-tetrahydroxazolo [2, 3-b] oxazolium salts are disclosed. These...
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5210162 |
Process for polymerizing polar compounds
A process for polymerizing polar compounds which have a CC double bond in an α-position relative to a carbonyl or nitrile group, such as acrylic acid derivatives, which comprises polymerizing...
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5196489 |
Process for extrusion polymerization of acrylic monomers
An extrusion polymerization process is described in which the polymerization of vinylic monomers, in particular acrylic monomers, is carried out in bulk in an extruder. The polymerization reaction...
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5187244 |
Preparation process of block copolymers and resulting block copolymers
A preparation process of block copolymers which comprises conducting living polymerization of a (meth)acrylic ester substantially in the absence of water, by using a macromolecular compound having...
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5149767 |
Thermosetting mixtures utilizing araliphatic sulfonium salts
Thermosetting mixtures containing (a) an epoxy resin having on average more than one 1,2-epoxide group in the molecule, (b) a di- or polyisocyanate compound and (c) a sulfonium salt of the...
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5104948 |
Substituted extensively conjugated ionic polyacetylenes
A family of ionic polyacetylenes containing long sequences of conjugated double bonds in the backbone with ionic charges adjacent to or in conjugation with the backbone, and a synthetic process for...
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5026799 |
Living cationic polymerization of vinylic unsaturated compounds
This invention relates to a process for the living cationic polymerization of vinylic unsaturated monomers in the presence of halogenated aliphatic acids and the zinc salts of halogenated aliphatic...
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5013814 |
Araliphatic sulfonium salts and their use
Sulfonium salts of the formulae I to IV ##STR1## in which A is C 1 -C 12 alkyl, C 3 -C 8 cycloalkyl, C 4 -C 10 cycloalkylalkyl, phenyl which is unsubstituted or mono- or polysubstituted by C...
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4943616 |
Living cationic polymerization process
A polymerization process is provided for producing a terminally functional polymer which comprises introducing a monomer charge, a Lewis acid and an organic peroxy compound into a suitable reaction...
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4940761 |
Group transfer polymerization of glycidyl (meth)acrylate copolymers to form oxirane group-terminated block copolymers
ABA triblock polymers that have glycidyl methacrylate as the A segments and (meth)acrylate monomers as the B segment are made by group transfer polymerization, using a monofunctional initiator to...
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4940760 |
Group Transfer Polymerization process employing supported initiators
Group Transfer Polymerization (GTP) process for preparing a "living" polymer, the process comprising contacting under polymerizing conditions in a polymerization medium, at least one acrylic or...
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4880887 |
Method for curing dental resins
In curing dental resins, polymerizable compounds having at least one ethylenically unsaturated double bond, such as mono- or poly-functional acrylates or methacrylates are polymerized in the...
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4855365 |
Poly-β-alanine compound, a process for producing the same and a polyacetal resin composition containing a poly-β-alanine compound
There is disclosed a novel poly-β-alanine compound comprising monomeric units of the formula (CH 2 CH 2 CONH) and monomeric units of the formula ##STR1## in a specific proportion, having a high...
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4736003 |
Enhanced livingness of polymerization using silylated oxyanions
Silylated oxyanion catalysts, such as trimethyl silyl 3-chlorobenzoate, provide increased livingness of group transfer polymerization, thereby permitting higher molecular weights and polymerization...
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4710551 |
Process for producing a vinyl chloride polymer or copolymer in aqueous suspension using a hydrotalcite compound as suspension stabilizer
In a process for producing a polymer or copolymer of a vinyl chloride monomer with or without a comonomer by aqueous suspension polymerization or copolymerization in the presence of a suspension...
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4621126 |
Group transfer polymerization employing tris(disubstituted amino)sulfonium perfluorocarbanion salts as catalysts
Tris(disubstituted amino)sulfonium perfluorocarbanion salts, process for their preparation and the use thereof as catalysts in group transfer polymerization.
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