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JP2009510048A |
Biodegradable carriers synthesized from ricinoleic acid oligoesters and aliphatic molecules having at least one carboxylic acid and at least one hydroxy or carboxylic acid group that are liquids or pastes at temperatures below 37° C. an...
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JP4234623B2 |
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JP4223545B2 |
Provided is a polyvinyl alcohol-based dispersion stabilizer used for suspension polymerization of a vinyl compound. When this dispersion stabilizer is used, it reduces the formation of coarse particles and allows the obtained vinyl polym...
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JPWO2006121007A1 |
We provide degradable polymers with peroxide bonds that can be used in the medical and medical materials fields, applied to DDS and gene delivery systems, and can be new polymer materials and environment-friendly materials. The alternati...
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JP4190093B2 |
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JP4177837B2 |
An emulsion of a copolymer of carbon monoxide with an olefinically unsaturated compound dispersed in an aqueous diluent; a curable resin composition in the form of an oil-in-water emulsion comprising a copolymer of carbon monoxide with a...
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JP4172747B2 |
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JP4166666B2 |
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JP2008537757A |
This invention relates to graft copolymer delivery vehicles comprising a polyethyleneglycol-poly(ortho ester), and to controlled release pharmaceutical compositions comprising the delivery vehicle and an active agent. The graft copolymer...
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JP4130305B2 |
An aromatic polyanhydride having a repeating unit with structure (I) wherein Ar is a substituted or unsubstituted aromatic ring and R is a difunctional organic moiety substituted on each Ar ortho to the anhydride group. Ortho-substituted...
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JP2008163291A |
To provide a manufacturing process of a polyketone exhibiting enhanced catalytic activity and enhanced intrinsic viscosity even in a short polymerization time.The manufacturing process of the polyketones having enhanced catalytic activit...
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JP2008150367A |
To provide an aromatic polyanhydride with improved resolvability, processability and usefulness in medical care.The aromatic polyanhydride has a repeating unit with structure (I) (wherein Ar is a substituted or unsubstituted aromatic rin...
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JP4104679B2 |
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JP2008133306A |
To obtain a new polymer having a fluorospiroketal structure.The polymer comprises a repeating unit represented by the formula (A) (QF is a single bond or a bifunctional saturated perfluoro organic group; X1, X2 and X3 are each independen...
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JP4097286B2 |
A sulfonated aromatic polyether ketone of the formula (II) [Ar-O-Ar'-CO-Ar'-O-Ar-CO-Ar''-CO-] (II) in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated and unsulfonated O-phenylene-CO uni...
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JP2008111107A |
To provide a method for sulfonating a polyether ketone under a mild and controllable condition and to provide a new sulfonated polyether ketone.The invention relates to a sulfonated aromatic polyether ketone of the formula; [Ar-O-Ar'-CO-...
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JP4062364B2 |
The invention concerns a sulphonated aromatic polyether ketone containing units of general formula (II): [Ar-O-]p-Ar-[[CO-Ar'-]x-O-Ar]m-[CO-Ar'-]y-[O-Ar-]n-CO-], in which between 1 and 100 % of the O-phenylene-CO-units are substituted wi...
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JP2008056887A |
To provide a manufacturing method of a polyketone realizing enhanced catalytic activities and increased intrinsic viscosity that comprises using an organometallic complex comprised of palladium acetate and 1,3-bis[bis(2-methoxy-5-methylp...
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JP2008027903A |
To provide a condensed ring-containing polymer electrolyte which is suitable for applications where water resistance is required, and to provide a solid polymer fuel cell provided with the polymer electrolyte.[1] The polymer electrolyte ...
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JP4027423B2 |
A catalyst composition prepared by reacting together (a) a source of a Group VIII metal (b) a bidentate phosphine ligand having at least two phosphorus atoms joined by a bridging group of the formula-(N)x-(P)y-N-where x is 0 or 1 and y i...
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JP4008070B2 |
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JP3995606B2 |
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JP3983255B2 |
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JP2007210447A |
To provide a rubber crawler suppressing problems such as the occurrence of derailment between rolling wheels, and the wear/deformation/breakage of a protrusion; and having excellent durability in regard to temperature rise on the surface...
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JP3941897B2 |
To provide a sealing material containing a polyolefin as a main component which is excellent in sealability, transparency, mechanical strength, and others, is capable of a high frequency seal, and can be used as a substitute for a polyvi...
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JP3927601B2 |
A polymer, PEEK or SPES is processed to use it as a proton conducting membrane for a fuel cell. Asymmetric properties are formed.
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JP2007131651A |
To provide a polyketone resin composition having extremely excellent impact resistance and antistaticity while keeping mechanical properties and heat-resistance.The polyketone resin composition is composed of (A) 40-99.5 pts.wt. of a pol...
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JP2007131652A |
To provide a polyketone resin composition having extremely excellent impact resistance and antistaticity while keeping mechanical properties and heat-resistance.The polyketone resin composition is composed of (A) a polyketone resin, (B) ...
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JP2007099910A |
To provide a gas flow type reactor capable of producing a high molecular weight polyketone having ≥2.5 dl/g intrinsic viscosity and developing excellent mechanical and thermal properties while attaining high polyketone polymerization a...
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JP2007039624A |
To provide a fiber-reinforced heat-resistant rubber product which is excellent in the strength of a reinforcing fiber, heat resistance, the adhesiveness to a rubber and chemical stability, in particular, has a notably excellent heat resi...
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JP3866037B2 |
It is an object of the present invention to provide a curable composition retaining curability even at a low temperature of -20 to 5° C. and having a low viscosity at such low temperature, the cured product of which is an artifact havin...
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JP3856474B2 |
An emulsion of a copolymer of carbon monoxide with an olefinically unsaturated compound dispersed in an aqueous diluent; a curable resin composition in the form of an oil-in-water emulsion comprising a copolymer of carbon monoxide with a...
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JP2006316080A |
To obtain an aliphatic ketone-based derivative that is obtained by modifying an aliphatic polyketone comprising ethylene and/or an ethylenic unsaturated compound and carbon monoxide as structural units and has industrially usable melt mo...
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JP3834650B2 |
To provide a polymeric compound expected to be used as an organic light-emitting element material and organic transistor material by utilizing a carbene part of an unstable type 2-furylcarbene complex generated from a conjugated ene-yne ...
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JP3827323B2 |
A process for the carbonylation of ethylenically unsaturated compounds by reaction with carbon monoxide and a co-reactant in the presence of a substantially non-acidic catalyst system based on a palladium compound and a bidentate ligand ...
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JP2006249121A |
To provide an aliphatic ketone-based polymer highly balanced in melt molding properties that can be used industrially and resin characteristics by modifying an aliphatic polyketone which contains as constituents ethylene and/or an ethyle...
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JP2006518412A |
A continuous film that includes ethylene copolymer selected from the group consisting of ethylene vinyl acetate, ethylene n-butylacrylate carbon monoxide, ethylene vinyl acetate carbon monoxide, and combinations thereof. The film exhibit...
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JP2006206648A |
To provide a resin composition that comprises a resin and a solvent and is easy to use and stably preservable.The resin composition comprises a polymer having a recurring unit represented by formula (I) [wherein R1 and R2 are each indepe...
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JP2006206651A |
To provide a decomposable resin composition that is easily decomposed.The decomposable resin composition comprises a decomposable polymer having a recurring unit represented by formula (I) [wherein R1 and R2 are each independently a hydr...
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JP3783807B2 |
To provide a new organic thin film material comprising a photochemical reaction product between low molecular weight aromatic compounds, and a method for producing the same. A homogeneous and optically transparent organic thin film mater...
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JP2006028364A |
To provide a method for producing a polymer containing a monomer unit represented by -CF2O- and to provide a new polymer and a pellicle essentially composed of the polymer.The method for producing the polymer containing a monomer unit re...
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JP2006022226A |
To provide a synthetic resin molded product which can be realized even in a small-scale regional unit and is easy to recycle the raw material (resource circulation), and its recycling method.The synthetic resin molded product is composed...
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JP2006009009A |
To provide an aqueous emulsion which is handleable easily and stable over the transportation and long time, and to provide a high quality, laminated wood composite.The curable resin composition contains a copolymer of carbon monoxide and...
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JP2005537360A |
The invention is related to a geminally disubstituted olefin-carbon monoxide-ethylene polymer. The invention is also related to a method for preparing geminally disubstituted olefin-carbon monoxide-ethylene polymers by reacting a geminal...
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JP3717405B2 |
A solution of a polyketone as a copolymer of carbon monoxide and one or more olefins, wherein 90 wt% or more of said copolymer comprises carbon monoxide units and olefin units, and a solvent is an aqueous solution of at least one member ...
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JP3708030B2 |
To provide a polyketone fiber having excellent mechanical properties such as high strength, high elastic modulus, together with free from agglutination of single yarns, low in coefficient of dynamic friction between fiber-fiber, homogene...
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JP3704015B2 |
To provide a polyketone fiber which has excellent thermal shrinkage characteristics and does not cause severs shrinkage, when it is wound up, processed, or used as a product, and to provide a polyketone fiber package on which a large amo...
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JP3693473B2 |
To provide a method for industrially and advantageously producing a polyacid anhydride and a copolymer of the polyacid anhydride under a comparatively mild condition while freely controlling the molecular weight by reacting a specific sa...
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JP3693674B2 |
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JP2005146000A |
To provide a polyketone having imparted polarity suitable for separation of an organism-related material, and industrially usable melt-formability without complicating production process in the modification of the polyketone constituted ...
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