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WO/2002/022692A1 |
A surfactant for emulsion polymerization which is satisfactory in polymer emulsion stability during polymerization and gives a polymer emulsion which gives a polymer film having satisfactory material properties. The surfactant gives a po...
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WO/2002/018457A1 |
A curable fluoropolymer which is represented by the formula -(A)-(M)- {wherein (M) is represented by the formula (1) [wherein X?1¿ and X?2¿ each is hydrogen or fluorine; X?3¿ is hydrogen, fluorine, CH¿3?, or CF¿3?; and X?4¿ and X?5...
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WO/2002/013953A1 |
A method of more efficiently recovering a fluorochemical surfactant from an aqueous solution containing the surfactant. The method of recovering a fluorochemical surfactant comprises subjecting an aqueous solution containing the surfacta...
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WO/2002/010106A1 |
The invention provides novel processes for the preparation of fluorinated acyl fluorides and fluorinated vinyl ethers, i.e., a process for the preparation of fluorinated acyl fluorides (3) which comprises reacting a compound (1) having a...
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WO/2002/010230A1 |
Selected novel olefinic orthoesters, may be copolymerized with other olefins using certain late metal transition catalysts, to form novel polyolefins containing orthoester pendant groups. These orthoester groups may be partially or fully...
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WO/2002/000758A1 |
Accelerators that can be useful for an energy polymerizable composition comprising a cationically curable material; energy polymerizable compositions comprising at least one cationically curable material and an initiation system therefor...
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WO/2002/000757A1 |
Accelerators that can be useful for an energy polymerizable composition comprising a cationically curable material; energy polymerizable compositions comprising at least one cationically curable material and an initiation system therefor...
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WO/2001/096423A1 |
A vinylpyrrolidone polymer which is free from coloration and odor and is extremely reduced in impurity content. A water-soluble organic peroxide and a sulfurous acid salt are added to an aqueous vinylpyrrolidone solution to polymerize th...
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WO/2001/094481A1 |
The use of an amine functional polymer, including salts thereof, as a rheology modifier for solvent-based paints, inks, filled thermosetting resins and thermosetting resin-based gelcoats whereby the amine functional polymer contains not ...
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WO/2001/094305A1 |
The present invention provides a monomer having the formula A-B, wherein A is represented by Formula I:wherein B is selected from -OCF=CF2 and -A; wherein, when B is -OCF=CF2, the orientation of B is meta or para to the trifluorovinyloxy...
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WO/2001/092194A1 |
A novel polymer useful as an optical resin material having excellent heat resistance; and a novel monomer for obtaining the polymer. The monomer is a fluorinated diene represented by CF¿2?=CF(CF¿2?)¿n?C(CF¿3?)ROCF=CF¿2? (wherein R r...
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WO/2001/092414A1 |
There is provided a photochromic cured article which exhibits excellent photochromic characteristics such as high color density and high speed of fading and has a base material exhibiting excellent properties such as high hardness and hi...
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WO/2001/081285A2 |
Disclosed herein is a novel class of fluorovinyl ether monomers which are useful as cure site monomers in fluoroelastomers, a process for the preparation of these fluorovinyl ether monomers, and fluoroelastomer copolymer compositions tha...
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WO/2001/060874A1 |
A method for the preparation of polymers derived from acrolein and including poly(2-propenal, 2-propenoic acid), characterised in that the polymers are exposed to the presence of water, whereby such polymers exhibit increased antimicrobi...
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WO/2001/049752A2 |
Emulsion polymerization of liquid fluorinated monomers which have a boiling point above 50° C and low water-solubility is markedly more efficient if the monomer is pre-emulsified with a nontelogenic fluorinated emulsifier in water.
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WO/2001/046108A1 |
The present invention describes a novel process for the preparation of perfluoro allyl ethers. The process involves providing a hydrogen-containing precursor comprising at least one 1,2-dichloro alkyl ether moiety, fluorinating the precu...
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WO/2001/046107A1 |
The present invention describes a novel process for the preparation of perfluorovinyl ethers. The process involves providing a hydrocarbon precursor that may be partially halogenated, fluorinating the precursor to provide a perfluorinate...
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WO/2001/044343A1 |
A visible light photopolymerizable composition comprising a) an aryliodonium salt and b) a titanocene derivate. These compositions can be used together with an epoxide resin as a dental composition.
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WO/2001/040174A1 |
This invention discloses a method for preparing imides (I) and (II) from compounds having a sulfonyl fluoride functional group. The imides so prepared are useful in a variety of catalytic and electrochemical applications. (I) or polymer ...
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WO/2001/021666A1 |
A cationic polymerization reaction in which either a (perfluoroalkoxy)biphenyldiazonium salt derivative represented by general formula (1) or a (perfluoroalkyl)dibenzofuranium salt derivative represented by general formula (3) and obtain...
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WO/2001/016100A1 |
Diacyl peroxides having the structure (I): R¿1? CXX'(CYY')¿e?CF¿2?(C=O)OO(C=O)CF¿2?CWW'(CZZ')¿e?R¿f?, wherein e and e' are independently 0 or 1; and when e=0, at least one of X, X' is H and any of the other X, X' is H or F; when e'...
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WO/2001/007495A1 |
The present invention relates to new photoactive polymers, their use as liquid crystal (LC) orientation layers and their use in the construction of unstructured and structured optical and electro-optical elements and multi-layer systems....
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WO/2001/005877A1 |
An aqueous PVA gel having a structure comprising an outer layer having fine crevasse-like pores on the surface and an inner layer comprising a dense three-dimensional network structure. The aqueous gel can be produced by mixing a polymer...
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WO/2000/077057A2 |
Described herein are monomers of the formula CH¿2?=CH(CF¿2?)¿2n?OCF¿2?CF¿2?SO¿2?N-(M?+¿)SO¿2?R¿f
? where n 1 and M?+¿=H?+¿ or an alkali metal cation, and R¿f? is C1-4 perfluoroalkyl optionally substituted by one or more ether...
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WO/2000/077093A1 |
A carboxylated polymer composition which comprises (A) 100 parts by weight of a carboxylated polymer obtained by copolymerizing (a) an $g(a), $g(b)-unsaturated carboxylic acid with (b) a compound having at least two ethylenically unsatur...
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WO/2000/071590A1 |
Aqueous dispersion polymerization of fluoromonomers is improved by using a combination of fluorosurfactants, one of which is a perfluoropolyether carboxylic acid or salt.
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WO/2000/066575A2 |
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 fluoroalcohol functional group into a polymer a...
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WO/2000/056694A1 |
A process for producing a fluorine compound from inexpensive materials. The process comprises reacting a compound (I), e.g., R?A¿CH¿2?OH, with a compound (II), e.g., XCOR?B¿, to form a compound (III), e.g., R?A¿CH¿2?OCOR?B¿, fluori...
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WO/2000/053647A1 |
A fluorinated allyl ether polymer which consists only of chains made up of at least one kind of structural units represented by general formula (1) (wherein A represents a C¿1-100? organic group) and has a number-average molecular weigh...
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WO/2000/042080A1 |
Photopolymerizable compositions are provided which are the reaction products of a vinyl ether, a photoinitiator system comprising an iodonium salt, a visible light sensitizer and an electron donor compound. These monomeric/oligomeric com...
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WO/2000/037403A1 |
Vinyl ether compounds having the formula: R-O-X-O-CH=CH¿2?, wherein R is R¿1?-C¿n?H¿m?-, R¿1?-C¿n?H¿m?-C(=O)-, R¿1?-C¿n?H¿m?-CH[-O-X-O-CH=CH¿2?-], R¿1?-C¿n?H¿m?-CH[-O-X-O-CH=CH¿2?-]C(=O)-, R¿1?-C¿n?H¿m?-CH[-C(=O)-O-X-O-...
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WO/2000/034348A1 |
Cationic polymerization initiators of formula (I) are disclosed. The acyl sulfonium salts of the present invention differ from known acyl sulfonium initiators in that the substituents R?2¿ and R?3¿ on the sulfur are larger and more com...
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WO/2000/032550A1 |
Curable compositions include at least one monomer compound having both (meth)acrylic ester functionality and an allylic phenyl ether functional group on the same molecule, the allylic phenyl ether functional group having at least one uns...
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WO/2000/028920A1 |
An insoluble polymer is deposited in a body cavity for instance to embolise a vein or pack an aneurysm, the polymer having pendant zwitterionic groups to improve biocompatibility. The insoluble polymer is preferably formed by an $i(in si...
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WO/2000/022002A1 |
At least one fluoromonomer which is gaseous at ordinary temperature and pressure is stably and efficiently emulsion-polymerized in an emulsion obtained by forcibly emulsifying a water-insoluble liquid with high shearing in the presence o...
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WO/2000/022012A1 |
This invention concerns terminally unsaturated olefins of formula (III) wherein R is oxygen or an alkylene or alkylene ether group wherein one or more of the hydrogens may be substituted by halogen, and R¿f? is a radical of formula (II)...
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WO/2000/020475A1 |
A support for a chemical or biological application having chemically reactive sites, the support formed from at least one scintillant monomer by polymerisation or copolymerisation of the monomer. The supports may be used for biological s...
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WO/2000/020383A1 |
Carbamate-functional allyl monomers and methods for making them are disclosed. The monomers, which are easy to prepare, readily polymerize with common ethylenic monomers to give low-molecular-weight resins without the need for solvents o...
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WO/2000/003723A1 |
A method for the preparation of compositions of poly(2-propenal, 2-propenoic acid), whereby the compositions exhibit one or more of the properties of increased stability, increased antimicrobial activity, reduced trans-dermal migration o...
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WO/2000/002873A1 |
Oxetane compounds represented by general formula (1), which are excellent in radical polymerizability and cationic polymerizability and in compatibility and copolymerizability with other copolymerizable monomers; a process for producing ...
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WO/1999/064484A1 |
Provided is a method for the polymerization of vinyl ethers catalyzed by complexes of a lithium salt and a polyether. A preferred complex is a complex of lithium tetrafluoroborate and a glyme. The resulting polymers are produced under mi...
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WO/1999/061497A1 |
A water soluble polymer that when used with a suitable photoacid generator (PAG) forms a negative working water soluble photoresit. The polymer comprises a backbone, such as polyvinyl ehter, coupled by a linkage group to an acetal protec...
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WO1998003497A9 |
Compounds, constructed in modular manner, of formula (I), wherein I is the monovalent residue of an ionophore, F is the monovalent residue of a fluorophore, G is a functional group, T is a trivalent organic radical and R01, R02 and R03 a...
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WO/1999/038842A1 |
The invention concerns novel ion-exchanging membranes, the method for preparing them and their uses. The membranes are made up of a polymer obtained from a monomer or a bifunctional mixture of monomers of general formula [T-SO¿2?-Y-SO¿...
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WO/1999/036381A1 |
Fluorine containing oxyvinyl compounds characterized by having one or more oxyvinyl groups separated from fluorine containing groups by at least one alkylene group having 2-8 carbon atoms and by at least one oxygen atom in addition to th...
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WO/1999/027892A2 |
The invention relates to preparations with improved hardening characteristics, characterised in that they contain from 0.0005 to 50 % wt of soluble and/or finely divided, organic and/or inorganic, alkaline earth and/or alkali metals. The...
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WO/1999/020666A1 |
The specification describes various polymers having monomer of formula (I). In formula (I), R1 and R2 are, independently, hydrogen, a C¿1?-C¿24? alkyl group, an aromatic or heteroaromatic group, a C¿3?-C¿8? cycloalkyl or C¿2?-C¿7? ...
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WO/1999/002482A1 |
Propenyl ether compounds of the following general formula (1) CH¿3?-CH=CH-(OR?1¿)¿n?-OCO-X-COO-(R?2¿O)¿n?-CH=CH-CH¿3
? and allyl ether compounds of the following general formula (2) CH¿2?CH-CH¿2?-(OR?6¿)¿n?-OCO-X-COO-(R?7¿O)¿...
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WO/1998/043952A1 |
A compound represented by the general formula (1): FSO�2?CFXCF�2?O(CFXCF�2?O)�n?CF(CF�2?Y)COF, wherein X is a fluorine or chlorine atom or trifluoromethyl; Y is a fluorine, chlorine, bromine, or iodine atom; and n is 0, 1, or 2...
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WO/1998/036009A1 |
A copolymer containing vinyl-3,4-cyclohexanediol and at least one monomer selected from acrylic acid, methacrylic acid, alkyl acrylate, alkyl methacrylate, styrene, acrylonitrile, butadiene, isoprene, vinyl acetate, maleic anhydride, eth...
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