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7378475 |
Process for making vinyl fluoride interpolymers and dispersions thereof
Interpolymers of 1-99 mol % vinyl fluoride and 99-1 mol % of at least one highly fluorinated monomer such as tetrafluoroethylene are disclosed. The interpolymers are characterized by the presence...
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7335713 |
Method for preparing a flexible superabsorbent binder polymer composition
A process of making the flexible superabsorbent binder polymer composition includes preparing a preneutralized monomer solution having at least about 40 mol % degree of neutralization, preparing a...
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7265159 |
Monodisperse anion exchangers
Process for preparing monodisperse weakly basic or optionally strongly basic anion exchangers of the poly(meth)acrylamide type, the ion exchangers themselves and their use.
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7196150 |
Method for radical polymerisation in the presence of a chain transfer agent
Process for free-radical polymerization in the presence of a regulator which, following free-radical H-abstraction to form an aromatic system, eliminates a free-radical leaving group which starts a...
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7125938 |
Atom or group transfer radical polymerization
A polymerization process comprising initiating a first polymerization of monomers using an initiator functionalized with an ATRP initiating site, wherein the first polymerization is selected from...
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7112639 |
Polymers
A copolymer containing repeat units formed from the monomers (I) and (II), wherein each R 1 , if present, is independently hydrogen or hydrocarbyl; r is 0, 1 or 2; s is either 2 or 3; R 2 –R 4 ...
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7098280 |
Controlled polymerization
The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a...
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7077964 |
Process for preparing monodisperse ion exchangers having chelating functional
The present invention relates to a process for preparing novel, monodisperse ion exchangers having chelating functional groups, and their use for adsorbing metal compounds, in particular, heavy...
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6992156 |
Controlled polymerization
The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a...
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6958368 |
Cure accelerators for anaerobic curable compositions
The present invention relates to new cure accelerators for anaerobic curable compositions. These anaerobic cure accelerators are generally sulfinimides and oxygen and sulfur derivatives thereof,...
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6924317 |
Process for producing coarse-particle anion-exchanger gels
The present invention relates to a process for producing monodisperse anion-exchanger gels with high stability, purity and coarse particle size greater than 800 μm starting from a monodisperse...
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6852812 |
Latex having a high solids content and a low viscosity and exhibiting a bimodal distribution
A process is presented for the preparation of a latex by the emulsion polymerization at a temperature of between 30 and 90 C. of at least one ethylenically unsaturated monomer in the presence of at...
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6844406 |
High functionality number, low molecular weight polymers and methods of making same
The present invention provides novel low molecular weight, high functionality number, polymers. The polymers may be made, for example, by heating (preferably, to a temperature of between about...
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6835762 |
Cure accelerators for anaerobic curable compositions
The present invention provides a new class of materials effective as cure accelerators for anaerobic curable compositions. The addition of these materials into anaerobic adhesives as a replacement...
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6762248 |
Suspension polymerizing epoxy group-containing acrylic resin
An epoxy group-containing acrylic resin for a powder coating is prepared by suspension polymerization at a temperature of at least 80° C. and a pressure of at least 2 kg/cm 2 with a vinyl monomer...
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6759488 |
Molecularly imprinted polymers grafted on solid supports
The invention refers to a molecularly imprinted polymer, a method of preparing a molecularly imprinted polymer material, and the use thereof. According to the invention a support comprising at...
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6723811 |
Polymers for use in optical device
Optical devices fabricated from solvent processible polymers suffer from susceptibility to solvents and morphological changes. A semiconductive polymer capable of luminescence in an optical device...
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6710146 |
Composition and process for controlled radical polymerization using multifunctional initiator/regulator compounds
The present invention relates to a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b1) at least one multifunctional triazinyl based 2,2,6,6...
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6653423 |
Random copolymers, process for the production thereof and medical material
A random copolymer obtained by polymerizing a monomer composition comprising allylamine or a salt thereof and a monomer bearing a phosphorylcholine-like group, comprising 0.01 to 9 mole % of...
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6642333 |
Vinylpyrrolidone (co)polymer
The present invention provides a vinylpyrrolidone (co)polymer excellent in the color tone and the thermal yellowing resistance despite its low molecular weight. The vinylpyrrolidone (co)polymer,...
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6602967 |
Use of deaminatively-generated carbocation as polymerization initiators
Deaminatively generated carbocations to initiate addition polymerization are disclosed. The high reactivity of the carbocation allows initiation of polymerization with virtually all alkenes,...
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6583245 |
Polymeric stabilizers having low polydispersity
The present invention relates to a polymerizable composition, comprising a) at least one compound of formula (I) (RG)—A—(Stab) (I), wherein (Stab) is a light stabilizer radical selected from...
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6552140 |
Auto-oxidation systems for air-activatable polymerisable compositions
An air-activatable polymerisable composition useful, in the field of adhesives, sealants, surface coatings, moulding resins and composite matrices, comprises: a) at least one free-radically...
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6509507 |
Polymerizable biaryls, process for their preparation and their use
A process for preparing polymerizable biaryl derivatives comprises reacting an aromatic comprising a 6-membered ring which bears ester or benzylic OH groups in the 1,4 position with a second...
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6509420 |
Powder coating composition comprising epoxy group-containing acrylic resin
An epoxy group-containing acrylic resin for a powder coating composition is a copolymer, having a weight-average molecular weight of 3000 to 20000, of a vinyl monomer mixture comprising 10 to 60%...
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6423799 |
Photo-addressable substrates and photo-addressable side-group polymers with highly inducible double refraction
Disclosed is an extremely rapidly photo-addressable storage media from inherently slow photo-addressable polymers by irradiating a substrate over a large area with a light source suitable for...
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6414089 |
Method of manufacturing polymer films having second order non-linear optical properties, polymer films, and non-linear optical element
A method of manufacturing a polymer film having second order non-linear optical properties which has excellent stability of orientated molecules and does not become disorientated, and a polymer...
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6391995 |
Polymer compositions useful as dye complexing agents, and processes for preparing same
Described are preferred processes for preparing quaternary amine polymers of good color, comprising preparing a free base amine polymer by polymerizing a free base amine monomer in the presence of...
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6387837 |
Polymerization-initiating supported systems
This invention relates to a process for the free-radical polymerization of monomers in gas phase or suspension processes using a supported, polymerization-initiating system comprising a) one or...
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6365683 |
Process for preparing monodisperse crosslinked bead polymers
The invention relates to a process for preparing substantially monodisperse crosslinked bead polymers useful as precursors for ion exchangers.
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6346588 |
Terpolymers based on sulfobetaines, processes for their preparation and their use as thickeners for aqueous salt solutions
Terpolymers based on (meth)acrylamide, hydroxyalkyl (meth)acrylate and sulfobetaine monomers and their use as thickeners for aqueous salt solutions are described. The terpolymers display their...
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6313275 |
Azoic compounds functionalized with heterocycles
Azo compounds of the formula (I) ##STR1## are functionalized with heterocycles.
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6300442 |
Process for making a cosmetically or pharmaceutically-acceptable emulsion or gel composition
A process of making a cosmetically or pharmaceutically-acceptable emulsion or gel composition which comprises: (a) heating a reaction mixture comprising, by weight, about 5-70% of a vinyl monomer...
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6288185 |
Initiators for radical polymerization
Initiators for free-radical addition polymerization comprising as structural feature the Diels-Alder adduct of an azo group (--NN--) with a conjugated double bond (diene).
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6268452 |
Process for the production of allylamine polymer
Provided is an industrially advantageous process for producing allylamine polymers from various allylamines in an organic solvent with ease and at high yields, and the process comprises...
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6174963 |
Method for producing amphoteric resin having dispersing function
Provided is a method for producing an amphoteric resin which comprises reacting (1) a copolymerizable basic prepolymer A 2 which is obtained by reacting a prepolymer A 1 being obtained by...
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6103844 |
Polymerization of fluoromonomers in carbon dioxide
Polymerization of vinylidene fluoride in carbon dioxide media is effectively initiated by dialkyl(2,2-azobisisobutyrate). Methyl is a preferred alkyl.
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6034193 |
Photochromic organic materials
The invention relates to photochromic transparent organic materials presenting an index of refraction of more than 1.55, which are free of optical distortions and are prepared by radical...
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6013750 |
Aerobic adhesive
The invention pertains to an aerobically curing composition comprising free-radical polymerizable compounds, an activator system, and optionally conventional additives, characterized in that said...
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5981673 |
Nonaqueous polymerization of fluoromonomers
The present invention provides a process for making fluorinated polymers and copolymers having stable end groups. The process includes (1) contacting a fluoromonomer, an initiator capable of...
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5962540 |
One-component or two-component reactive adhesive
A reaction adhesive becomes porous after hardening. This allows both small and larger gaps to be sealed between the bonded substrates, as the liquid adhesive has a low to medium viscosity and the...
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5886109 |
AZO group-containing high molecular weight compound for block copolymerization
An azo group-containing high molecular weight compound including --COHN--, an ester linkage, or an amido linkage and a monomer units of 10 to 1000 derived from α,β-ethylenically unsaturated...
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5827928 |
One-component, thermosetting resin composition for coating use
A one-component, thermosetting resin composition curable through a Michael reaction between (a) a component having a plurality of α, β-unsaturated carbonyl groups and (b) a component having a...
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5804610 |
Methods of making packaged viscoelastic compositions
Methods for preparing viscoelastic compositions (e.g., adhesives such as hot melt adhesives) in which a pre-viscoelastic composition (e.g., a pre-adhesive composition) is combined with a packaging...
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5744559 |
Macro-azo initiator
A macro-azo initiator obtained by reacting a compound (A) having an azo group in the molecule and having a reactive functional group at each end of the molecule with a compound (B) having an azo...
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5712319 |
Resin composition for low expansion moldings
A resin composition for low expansion moldings which comprises (A) 20 to 80 parts by weight of a vinyl chloride resin having an average degree of polymerization of from 500 to 1700 and (B)...
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5708102 |
Living radical polymerization of vinyl monomers
This invention relates generally to a living free radical polymerization of alkene monomers through use of persistent metal centered radicals to attain control of the propagation and termination...
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5684104 |
Water-swellable hydrophilic polymers
Method for avoiding network defects due to unwanted secondary reactions during the polymerization in water-swellable hydrophilic polymers which contain polymers prepared by free radical...
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5684103 |
Color stable dental restorative materials
In a polymerizable dental restorative resin composition useful as a dental composite resin and/or a denture/denture base material comprising at least one binder resin, a diluent monomer, at least...
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5660776 |
Process of making styrenic polymer pellets
A true solution of up to about 15 weight % of polyphenylene ether (PPO) in a styrenic polymer may be prepared by dissolving the PPO in one or more of the monomers polymerized to form the styrenic...
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