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7361780 |
Apparatus for producing hydroxyalkyl(meth)acrylate and process for producing the same
The present invention provides an apparatus for producing hydroxyalkyl(meth)acrylate and method for producing hydroxyalkyl(meth)acrylate, which can maintain high sealing performance even if the...
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7279517 |
Process for the alkoxylation of organic compounds in the presence of novel framework materials
The present invention relates to a process for the alkoxylation of organic compounds comprising the reaction of at least one organic compound with at least one alkoxylating agent in the presence of...
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7241915 |
Process for inhibition of polymerization of (meth)acrylate ester
The present invention provides a process for inhibition of polymerization of a (meth)acrylate ester, which has an extremely higher effect of inhibition of polymerization than in cases where...
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7214817 |
Hydroxyalkyl (meth)acrylate and its production process
The present invention provides: a high-quality hydroxyalkyl (meth)acrylate of which the alkylene glycol di(meth)acrylate content and the acid component content are both low; and its novel...
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7045651 |
Production process for hydroxyalkyl (meth) acrylate
The present invention provides a novel production process for a hydroxyalkyl (meth)acrylate, in which it is possible that: in a batch reaction system, the amount of the hydroxyalkyl (meth)acrylate...
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6984751 |
Production process for hydroxyalkyl (meth) acrylate
There is disclosed a novel production process for a hydroxyalkyl (meth)acrylate in which: the diffusion of harmful substances due to disposal of catalysts can be reduced; and also the amount of the...
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6958413 |
Method of reaction with soluble metallic catalyst and anion-exchange resin, method of recovering the soluble metallic catalyst, and method of reuse
The invention provides a method of liquid-phase reaction using a soluble metallic catalyst in which the soluble metallic catalyst is caused to coexist with an anion-exchange resin during the...
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6914155 |
High polymer gel and activation method for compounds containing active hydrogen
Active hydrogen in an active-hydrogen-containing compound is activated by using a polymer gel having a three-dimensional network structure holding a solvent inside thereof and active sites inside...
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6858761 |
Process for preserving resin catalyst for addition reaction of alkylene oxide and utilization of this process
The present invention provides a process and its utilization in a process comprising the step of carrying out an addition reaction of an alkylene oxide to an addition-receiving substance in the...
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6765116 |
Process of preparing a fluid rare earth alkoxylation catalyst
A process to prepare an improved fluid rare earth phosphate catalyst composition useful in preparing alkylene oxide adducts of organic compounds having active hydrogen atoms is provided. The...
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6740193 |
Gem-diesters and epoxidized derivatives thereof
In accordance with the present invention, there are provided gem-diesters and epoxidized derivatives thereof. When cured, thermosets comprising invention gem-diesters and epoxidized derivatives...
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6723872 |
Production process for hydroxyalkyl ester
The present invention provides: a process in which, when a hydroxyalkyl ester is produced by carrying out a reaction between a carboxylic acid and an alkylene oxide in the presence of a catalyst,...
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6660881 |
Process for producing (meth)acrylic ester
The present invention provides a process for producing a (meth)acrylic ester which enables to obtain a (meth)acrylic ester in an excellent reaction yield. The process for producing a (meth)acrylic...
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6646083 |
Crosslinked polymers containing tertiary amine and/or quaternary ammonium salt structures, processes for making and uses thereof
Crosslinked polymers excellent in ion exchange capacity and catalytic activity and in resistance to thermal decomposition and widely applicable in various fields of use; a crosslinking agent which...
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6610879 |
Reaction method by using heterogeneous catalyst and reaction apparatus therefor
When carrying out a liquid-phase reaction by using a heterogeneous catalyst, the separation of the heterogeneous catalyst and the reaction liquid is carried out certainly and effectively. A...
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6603034 |
Preparation of organozinc halides from reactive halogen compounds and their use
A process for preparing organozinc halides in solvents, includes reacting a reactive halogen compound with zinc in one or more carboxylic esters. It is also possible to prepare keto, hydroxyl and...
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6559268 |
Perfluoro group-containing compounds and hardened polymer of the same
A perfluoro group-containing compound are represented by the following formula (I): —Rf— is a perfluoro group; and —A represents —OH or a group: or —C y F 2y+1 or —C z F 2z−1 ...
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6552218 |
Process for producing hydroxyalkyl (meth)acrylate
The present invention provides a process for producing a hydroxyalkyl (meth)acrylate which enables to control sufficiently the formation of a diester at the time of a reaction and/or at the time of...
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6541656 |
Process for producing α, β-unsaturated carboxylic acid esters and catalyst for use in such process
Economical and efficient processes for producing an α, β-unsaturated carboxylic acid heterocycle-inserted ester and an α,β-unsaturated carboxylic acid polyheteroalkylene ester as well as a...
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6541657 |
Unsaturated carboxylate and its production process and use
The present invention provides: an unsaturated carboxylate which has both an unsaturated group and a hydroxyl group, and is applicable to a wide range of crosslinking processes, and has moderate...
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6515166 |
Vinyl esters with high cross-linkage density
A vinyl ester produced by reacting at least one epoxide compound with at least on carboxylic anhydride, containing ethylenically unsaturated groups, the epoxide groups being substantially...
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6498268 |
Method for producing alkylene glycol esters with limited homologue distribution
A method of producing alkylene glycol esters of unbranched aliphatic dicarboxylic acids with limited homolog distribution, and the use of the esters produced as monomer structural units for...
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6465682 |
Production process for hydroxyalkyl ester
In a production process for a hydroxyalkyl ester, comprising the step of carrying out a reaction between a carboxylic acid and an alkylene in the presence of a catalyst, the present invention is to...
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6458988 |
Production process for hydroxyalkyl(meth)acrylate
A production process for a hydroxyalkyl(meth)acrylate, which comprises the steps of carrying out a reaction between (meth)acrylic acid and an alkylene oxide and stripping the unreacted residue of...
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6452040 |
Production process for hydroxyalkyl (meth)acrylate
The present invention provides a production process for a hydroxyalkyl (meth)acrylate which process enables to maintain the oxygen concentration of a gas phase portion of a reactor within a...
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6413698 |
Photohardenable resin composition providing heat-resistant photohardened product
A photohardenable resin composition comprising (A) a urethanated acrylic compound represented by formula (I): (A) a —C—(R) 4−a wherein R is H or alkyl; a is 3 or 4; and A represents a group...
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6384267 |
Process for producing hydroxyalkyl (METH) acrylates
In a process for producing hydroxyalkyl (meth)acrylates by the reaction of (meth)acrylic acid with an alkylene oxide, a thermally and chemically stable anion exchange resin is used as a catalyst,...
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6380424 |
Purification process for hydroxyalkyl (meth)acrylate
The present invention provides: a purification process for hydroxyalkyl (meth)acrylate that suppresses forming by-products such as a diester and a dimer of acrylic acid in the distillation process,...
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6372923 |
Process for preparing alcohol derivatives
The present invention provides a process for preparing an alcohol derivative, where the alcohol derivative is an ester, acetal, ketal, ether glycoside, or alkyl glycoside, by reacting an alcohol...
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6200732 |
Photocurable resin composition
There is provided a photocurable resin composition comprising (A) an urethane acrylate having three or four acrylate groups in the molecule, (B) a radical polymerizable compound different from the...
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6166245 |
Photoimageable compositions having improved chemical resistance and stripping ability
A negative-acting photoimageable composition useful as a primary imaging resist in the manufacture of printed circuit boards comprises an acid-functional binder polymer, a photopolymerizable...
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6153788 |
Process for preparing esters of ethylenically unsaturated carboxylic acids
The present invention relates to a process for preparing unsaturated esters by azeo-tropically esterifying a) monohydric or polyhydric alcohols or b) polyesters which contain at least two...
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5952458 |
Process for preparing a vinyl terminated polymer
Synthesis of a vinyl terminated polymer by reacting a cationically polymerizable monomer in the form of a cyclic ether with an acid chloride in a suitable solvent and in the presence of a Lewis...
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5756829 |
Process for the preparation of amine-modified epoxy (meth) acrylates
The present invention relates to a process for the preparation of amine-modified epoxy (meth)acrylates by reacting organic compounds having epoxy groups with a) acrylic and/or methacrylic acid...
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5750770 |
Unsaturated mono-esters and their use in coating compositions
Hydroxy functional, unsaturated diesters are disclosed that comprise the esterification reaction products of unsaturated anhydrides with secondary alcohols to form monoesters, followed by...
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5629445 |
(Meth)acrylates, resin composition using the same and ultraviolet-curing resin composite for transmission type screens
This invention relates to (meth)acrylates represented by formula (1): ##STR1## wherein, R 1 and R 2 are each independently H or CH 3 and average value of n is 1-5; resin composite comprising (A)...
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5543557 |
Acrylate monomer having a reduced primary irritation index and a method of making same
A method of making an acrylate monomer from an essentially ethoxylated polyol, which monomer has a reduced and very low Primary Irritation Index (PII value). The base polyol is di, tri, tetra or...
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5354896 |
Catalysts for reaction of epoxides and acids
Strong base anion exchange resins that contain quaternary ammonium groups derived from higher molecular weight amines, such as triethylamine or tripropylamine instead of trimethylamine, have a...
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5196296 |
Epoxy acrylate resins and photosensitive resin compositions therefrom
Epoxy acrylate resins of this invention having a structure of the general formula (I) ##STR1## in which R is hydrogen or a lower alkyl group, R' is hydrogen or methyl group, and n is an integer...
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5126493 |
Alkoxylation of active hydrogen compounds
Alkoxylates of active hydrogen compounds having a peaked molecular weight distribution are prepared by reacting the active hydrogen compound with an alkylene oxide of from 2 to 4 carbon atoms using...
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5118870 |
Alkoxylation process catalyzed by rare earth and phosphorus-containing xerogels
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal...
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5104987 |
Alkoxylation of active hydrogen-containing compounds
This invention relates to a process for the alkoxylation of an active hydrogen-containing compound comprising contacting the active hydrogen-containing compound with an alkylene carbonate in the...
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5059719 |
Alkoxylation process using catalyst of the lanthanum series
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more C 2 to...
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5057628 |
Alkoxylation process catalyzed by compounds of the rare earth elements
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal...
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5026923 |
Alkoxylation process catalyzed by borate salts of the rare earth elements
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal...
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5017720 |
Methods of producing and reserving alkylene glycol monosorbates
The invention provides a method of producing alkylene glycol monosorbates which comprises reacting sorbic acid and an alkylene oxide having 2 to 4 carbon atoms in a certain system containing a...
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5015697 |
Polybutylketones and hydroxyesters of epoxidized polybutenes
A process is disclosed for preparing a composition comprising a polybutyl ketone and a hydroxyester of an epoxidized polybutene wherein the epoxide groups of said epoxidized polybutene are at least...
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5008444 |
Process for the production of substituted acryloyloxyhydroxypropyltrialkylammonium chloride
The preparation of 3-(R)acryloyloxy-2-hydroxypropyltrialkylammonium halide monomer is enhanced by carrying out the reaction in a media which is a non-solvent for the monomer, but is a solvent for...
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4970333 |
Process for making carboxylic acid esters using a crosslinked acrylic resin as the catalyst
The production of esters via the reaction of an epoxide with a carboxylic acid hasbeen shown to give improved activity when a strong base macroporous anion exchange resin having an acrylic backbone...
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4967016 |
Alkoxylation process catalyzed by barium phosphate
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal...
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