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WO/2005/019273A1 |
A process for producing a polymer of a vinyl ether monomer by contracting the monomer with phosphorous pentoxide as polymerization initiator.
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WO/2005/019312A1 |
The invention relates to a method for the production of a granulate containing at least one polyvinyl acetal, wherein a composition containing a polyvinyl acetal is transformed into molten state and granulated in accordance with the desi...
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WO/2005/005404A1 |
The invention provides cyclic fluorine compounds represented by the general formula (1): (1) (wherein R1 is halogeno; and R2 and R3 are each hydrogen or a hydrocarbon group which is a straight-chain, branched, or cyclic C1-25 hydrocarbon...
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WO/2005/003110A1 |
6-trifluoromethyl-2-vinyloxy-4-oxatricyclo[4. 2. 1. 03. 7]nonane-5-one represented by the following formula (1): (1) A method for producing the above compound which comprises reacting 6-trifluoromethyl-2-hydroxy-4-oxatricyclo[4. 2. 1. 03...
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WO/2004/113404A1 |
Disclosed is a polymerizable monomer represented by the following formula (1): (1) (wherein R1, R2 and R3 respectively represent a hydrogen atom, a fluorine atom, an alkyl group or a fluoroalkyl group; W represents a single bond or a lin...
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WO2003087203A9 |
An enhanced K-type polarizer includes a molecularly oriented sheet of polyvinylalcohol/polyvinylene block copolymer material having polyvinylene blocks formed by molecular dehydration of a sheet of polyvinylalcohol wherein the molecularl...
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WO/2004/104057A1 |
The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluo...
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WO/2004/099270A1 |
There is provided a polymer compound including a repetitive unit structure represented by the following general formula (2): General formula (2): (where X' represents a polyalkenyl group; A represents a linear or branched alkylene group ...
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WO/2004/099264A1 |
A polymer compound is provided which is suitable to improve the dispersibility of coloring materials or solids in an ink or toner composition and which has a repeating unit represented by the general formula (2): (2) wherein X' represent...
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WO/2004/096786A1 |
A novel fluorinated cyclic compound which has an oxacyclopentane or oxacyclobutane structure derived from a norbornadiene compound and hexafluoroacetone and which may be represented by the following formula (1) or (2); a fluoropolymer ob...
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WO/2004/093786A2 |
A water-insoluble, hydrophilic adhesive polymer is provided, wherein the polymer is prepared by polymerization of a composition consisting of a hydrophilic monomer and a dual-function monomer that both (a) undergoes polymerization with t...
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WO/2004/076508A2 |
The invention relates to a method of preparing dimethylcetene (DMK) by pyrolysis of isobutyric anhydride (ANIB), consisting in: (a) pre-heating a mixture to between 300 and 340 °C at atmospheric pressure, said mixture comprising between...
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WO/2004/069883A1 |
Disclosed is a technique for the production of polyvinyl ethers having reactive silicon-containing functional groups or atomic groups at the end. Polyvinyl ethers represented by the general formula (VII) are produced by reacting a vinyl ...
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WO/2004/065489A1 |
The oxide of a transition metal element having at least two valences of less than four is allowed to be contained in spherical dielectric ceramic powder. A composite dielectric material using this dielectric ceramic powder can deliver a ...
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WO/2004/056887A1 |
A tetrafluoroethylene copolymer which is composed of units derived from tetrafluoroethylene and units derived from a monomer represented by the general formula: CF2=CFORf1Rf2 (wherein Rf1 is polyfluoroalkylene which may contain an etheri...
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WO/2004/052947A1 |
A photosensitive resin which is a material having excellent storage stability, having an affinity for and miscibility with various compounds and high sensitivity, and capable of solidifying even when it contains water, and which gives a ...
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WO/2004/050725A1 |
Provided are a polymer compound having high transparency for use in a photoresist composition for microfabrication of the next generation, a resist composition using the polymer compound as a base polymer, and a dissolution inhibitor age...
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WO/2004/046206A1 |
The present invention discloses a process for making a fluoropolymer having nitrile endgroups. The process comprises a free radical polymerization of one or more fluorinated monomers in the presence of a nitrile group containing salt or ...
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WO/2004/042475A1 |
A resist composition, characterized in that it comprises (A) a fluorine-containing polymer having an acidic group being blocked with a blocking group having a cycloalkyl group, an organic group having one or more of cycloalkyl groups, a ...
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WO/2004/041762A1 |
The invention relates to a fluorine-containing vinyl ether represented by the formula (1), wherein R represents an organic group containing at least one fluorine atom and a cyclic structure. The invention further relates to a fluorine-co...
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WO/2004/011508A1 |
Aqueous microemulsions obtained from a perfluorinated alkane sulphonic or carboxylic acid or salt thereof, a liquid fluorinated monomer comprising a cure-site and optionally an inert liquid and highly fluorinated hydrocarbon compound. Th...
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WO/2004/005358A1 |
The invention relates to a cross-linked polyvinyl acetal which is characterized in that it can be obtained from at least one polyvinylacetal (1) which is obtained by reacting at least one polymer (A), which contains a) 1,0 to 99.9 wt. % ...
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WO/2003/104294A1 |
The present invention relates to polyvinyl ethers and to their use as supports for synthetic methods (organic synthesis, peptide synthesis, oligonucleotide synthesis, oligosaccharide synthesis or any other synthetic procedure) and to the...
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WO/2003/102040A1 |
The present invention relates to a method of producing one or more macroporous cross-linked polymer particles, which comprises polymerisation and cross-linking of divinyl ether monomers in an inert solvent that comprises ether groups, in...
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WO/2003/099881A1 |
An ion−conductive polymer which is represented by the following chemical formula and has at least one of syndiotactic and isotactic stereoregular structures. (I) (In the formula, n is an integer of 2 or larger&semi R is a C1−20 organ...
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WO/2003/095509A1 |
This invention relates to sulfonated copolymers which are useful in forming polymer electrolyte membranes used in fuel cells.
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WO/2003/087176A1 |
The present invention provides a method of preparing an aqueous dispersion of poly(perfluorovinyl ether) homopolymers. The present invention further relates to a method of making an aqueous fluoropolymer dispersion comprising bicomponent...
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WO/2003/074575A1 |
Polymeric compounds suitable for ink and toner compositions, and image forming methods and apparatus using an ink or toner composition containing such a polymer compound, and particularly to a polymer compound having a repeating unit str...
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WO/2003/073169A2 |
Provided are polymers derived from fluoroalkyl norbornenes, fluorinated crotonates, fluorinated allyl alcohols, and combinations of two or more thereof for use in a wide variety of applications, including photoresist compositions. Also p...
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WO/2003/068718A2 |
The present invention embodies halogenated compounds that can be used as monomer units in a variety of polymeric compositions. Processes for making the monomers and polymers are provided.
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WO/2003/069382A1 |
A process for preparing a polarizer is described whereby an article comprising an oriented, vinylalcohol polymer film layer, and an acid donor layer comprising a photoacid generator, is exposed to radiant energy at a temperature sufficie...
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WO/2003/067285A2 |
The present invention provides an energy curable composition including a compound having an aromatic or heteroaromatic moiety; at least two fluorinated alkylene, arylene or polyether moieties, each fluorinated alkylene, arylene or polyet...
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WO/2003/066690A1 |
A particulate polyvinylacetal resin of low metal content, being excellent in transparency, moisture resistance and electrical resistance, and having a large specific area, and a process for producing the same. A particulate polyvinylacet...
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WO/2003/059970A1 |
A fluorine-containing copolymer obtained by copolymerizing tetrafluoroethylene, hexafluoropropylene and perfluoro vinyl ether as component monomers, wherein a weight ratio of tetrafluoroethylene, hexafluoropropylene and perfluoro vinyl e...
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WO/2003/059860A2 |
The present invention is directed to using methyl acetate from a vinyl acetate −based or a vinyl−or ethylene−alcohol based polymer or copolymer process directly for use in a methanol carbonylation production process to produce acet...
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WO/2003/053899A1 |
A specific diene compound (1) having high−purity is obtained, without using any special reagent or complicated technique, from a mixture of the diene compound (1) and a compound (2) which is difficult to separate by distillation and ha...
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WO/2003/037838A1 |
The invention provides novel fluoropolymers capable of forming optical elements having low refractive indexes and excellent heat resistance&semi novel fluorine−containing diene compounds having two unsaturated bonds capable of giving t...
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WO/2003/028145A2 |
Disclosed are compositions prepared by free-radical-driven grafting onto hydrocarbons or hydrocarbon ethers of olefinically unsaturated fluorocarbons containing sulfonyl fluoride, fluorosulfonate, fluorosulfonimide, or fluorosulfonyl met...
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WO/2003/020776A1 |
The invention relates to high-molecular, crosslinked polyvinyl butyrals, obtainable by (self-) crosslinking polyvinyl butyrals that contain coacetalated, acid-functionalized aldehydes. The invention also relates to a method for producing...
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WO/2002/088203A2 |
The present invention provides a method of making a fluoropolymer comprising repeating units derived from one or more gaseous fluorinated monomers. The method comprises an aqueous emulsion polymerization of gaseous fluorinated monomers i...
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WO/2002/083755A1 |
A composition comprising (a) a fluoropolymer having pendant imidate groups, which imidate groups have the formula: -C=NH(OR) wherein R is a C¿1?-C¿10? aliphatic group which aliphatic group may have F or Cl substituents; and optionally,...
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WO/2002/067908A1 |
Novel dendritic polymers are employed to clinically seal or repair wounds and treat traumatized or degenerative tissue. Novel crosslinkable biopolymers such as dendritic macromolecules are used in vitro, in vivo and in situ to treat opht...
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WO/2002/066526A1 |
An ethylenic fluoromonomer containing a hydroxyl or fluoroalkylcarbonyl group which is represented by the formula (1) (1) or formula (14) (14) (wherein X?1¿ and X?2¿ are the same or different and each is hydrogen or fluorine; X?3¿ is ...
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WO/2002/062749A1 |
A perfluorovinyl ether monomer represented by the following formula (1) (1) (wherein m is an integer of 0 to 5; n is an integer of 1 to 5; and R?1¿ and R?2¿ each independently represents hydrogen, a C¿1-10? (un)substituted hydrocarbon...
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WO/2002/050139A1 |
Butene oligomer derivatives carrying tert-butyl groups as one of the terminal groups, having a repeating unit of the main hydrocarbon chain consisting of 80% by mol or more of CH¿2?C(CH¿3?)¿2?-, and carrying the other terminal groups ...
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WO/2002/046811A1 |
A step index type plastic optical fiber large in numerical aperture (NA), low in transmission loss over a wide wavelength range, and small in bending loss, wherein the materials of a core and a clad consist of amorphous fluororesin havin...
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WO/2002/044223A1 |
This invention relates to high molecular weight perfluorocyclobutane polymers and methods of polymerizing trifluorovinyl monomers to form high molecular weight perfluorocyclobutane polymers in the presence of a catalyst or initiator.
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WO/2002/036646A1 |
High-molecular compounds for photoresists, each having at least one skeleton represented by the general formula (1), (2A), (2B), or (2C): (1) (2A) (2B) (2C) wherein R is an alicyclic skeleton; and at least one of R?x1¿s is an electron-a...
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WO/2002/030859A2 |
The invention relates to tertiary divinyl ethers of formula (I), wherein R?1¿, R?2¿, R?3¿, R?4¿ independently represent: C¿1? - C¿20? alkyl, respectively unsubstituted or substituted by alkyl or cycloalkyl; cycloalkyl containing 3 ...
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WO/2002/026843A2 |
ABSTRACT A plastic lens composition having a low viscosity and capable of yielding a cured material having a high refractive index and a small specific gravity, a plastic lens by curing the composition, and a method for producing the pla...
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