|
Match
|
Document |
Document Title |
|
|
7531703 |
Method of recycling a recyclable plastic
The present invention provides a method of recycling a plastic thereby forming a narrow spectrum of hydrocarbons having from 4 to 14 carbon atoms that can be directly used as gasoline without...
|
|
|
7488790 |
Processing of bimodal polymers
The present invention discloses the use of a supercritical fluid to improve the homogeneity of heterogeneous bi- or multi-modal resins resulting from a physical or a chemical blend of two or more...
|
|
|
7465780 |
Polyimide comprising sulfonic acid group at the terminal of side chain, and polymer electrolyte and fuel cell using the same
The present invention is related to a polyimide, which has high ionic conductivity and good structural stability, does not decompose even under low humidity, and is inexpensive, and a polymer...
|
|
|
7439308 |
Process for producing (meth)acrylic polymer terminated by crosslinkable silyl group
A method for producing a (meth)acrylic polymer having crosslinkable silyl groups at the termini, comprising a step of adding a hydrosilane compound having a crosslinkable silyl group to an...
|
|
|
7390869 |
Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species
A process for removing metal species from a composition comprising contacting:
a. an oligomer mixture stream comprising the monomers of a partially aromatic polyester polymer and at least...
|
|
|
7378453 |
Surface crosslinking treatment method of water-absorbing resin powder
A surface crosslinking treatment method of a water-absorbing resin powder is disclosed that can overcome various problems in production encountered in the production of surface crosslinked...
|
|
|
7371808 |
Polymer treating method and apparatus
A polymer treating method has the steps of: reacting a polymer compound with a reaction agent in a reaction vessel to generate a polymer treatment product; discharging the polymer treatment product...
|
|
|
7335721 |
Polytetrafluoroethylene treatment
One or more PTFE films are heated to greater than 150 degrees centigrade (C) and for a time greater than 20 hours, then the PTFE films are cooled. The PTFE films may be heated to temperatures...
|
|
|
7332561 |
Polytrimethylene terephthalate composition particles and process for producing same
Poly(trimethylene terephthalate) composition particles comprising 80% by weight or more of trimethylene terephthalate units based on the entire repeating units, having an intrinsic viscosity from...
|
|
|
7329723 |
Thermal crystallization of polyester pellets in liquid
A process for thermally crystallizing a polyester polymer by introducing pellets into a liquid medium having a temperature of at least 140° C. within a liquid medium zone and crystallizing the...
|
|
|
7323519 |
Process for producing vinyl polymer, vinyl polymer, and curable composition
The present invention provides: a process for preparing a vinyl polymer containing a halogen in an amount of 1,000 mg or less per kilogram, in which a vinyl polymer containing the halogen produced...
|
|
|
7323506 |
High performance P(VDF-TrFE) copolymer for pyroelectric conversion
A process for purifying a P(VDF-TrFE) copolymer to produce an improved high performance copolymer for pyroelectric conversion. Pellets of a P(VDF-TrFE) copolymer are dissolved in a solvent to form...
|
|
|
7314907 |
Purified polymeric materials and methods of purifying polymeric materials
A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a filtered...
|
|
|
7297758 |
Method for extending shelf-life of constructs of semi-crystallizable polymers
This invention relates to a method of extending the shelf-life of constructs, in particular bioabsorbable stents, comprising semi-crystalline polymers by increasing the crystallinity of the polymers.
|
|
|
7291694 |
Method and device for producing crystallizable plastic material
A method for manufacturing a crystallizable plastic material is disclosed. The process includes the step of melting an amorphous plastic material, pelletizing the material, crystallizing it and...
|
|
|
7279530 |
Method for producing low friction fluorine rubber crosslinked body
A fluororubber composition includes a polyol-crosslinkable fluororubber, a crosslinking accelerator, a polyol crosslinking agent and calcium hydroxide, with the crosslinking accelerator having a...
|
|
|
7232878 |
Polymer treatment for separating volatile material
A process for the separation of volatile material from particulate polymer which has been substantially freed from unreacted monomer in an earlier separation step, comprising (a) feeding the...
|
|
|
7226989 |
Method of separating a polymer from a solvent
A method of separating a polymer-solvent mixture is described wherein a polymer-solvent mixture is heated prior to its introduction into an extruder comprising an upstream vent and/or a side feeder...
|
|
|
7208543 |
Ethylene-propylene copolymers with an improved shape stability suitable for modifying lubricating oils and process for the preparation thereof
A process is described for the preparation of viscosity index improver (V.I.I.) additives which includes treatment under high shear conditions of a composition comprising (i) one or more EP(D)M...
|
|
|
7205030 |
Method for forming porous film
After applying a film-forming composition containing a polysiloxane, a pore-forming agent, an onium salt, and a solvent onto a semiconductor substrate, the solvent is evaporated from the...
|
|
|
7199163 |
Method for removing volatile components from polymer compositions
Method for continuously removing the unreacted butene-1, and optionally other volatile components, from a polymeric solution obtained by liquid phase (co)polymerization of butene-1, the method...
|
|
|
7160980 |
Polyketones
Method of purifying a polymeric material of a type which includes (A) phenyl moieties; (B) carbonyl and/or sulphone moieties; and; (C) ether and/or thioether moieties. The method includes...
|
|
|
7153929 |
Copolymers, devoid of rubber, with low residual monomer content and a method and device for producing the same
Rubber-free copolymers of unsaturated monomers selected from the group comprising styrenes and vinyl cyanides are disclosed. The copolymers that contain 65 to 80 wt. %, of styrene and 20 to 35 wt....
|
|
|
7153910 |
Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule
The invention provides: a water-absorbent resin granule-containing composition with resolution of various problems, as caused by water-absorbent resin fine powders, and with high granulation...
|
|
|
7140413 |
Method of modifying a fluoropolymer and articles thereby
A fluoropolymer is modified by contacting it with a modifying composition preparable from components comprising a phase transfer catalyst and at least one of a sulfide or disulfide salt, and...
|
|
|
7132502 |
Water-thinnable polymer precursors, their preparation and use
The present invention is directed towards water-thinnable phosphorous-containing polymers precursors, their preparation and use. The precursors of the invention are useful in compositions for...
|
|
|
7132484 |
Continuous process for producing poly (trimethylene terephthalate)
A continuous process for the production of poly(trimethylene terephthalate) is disclosed. According to the process, a liquid feed mixture comprising bis-3-hydroxypropyl terephthalate and/or low...
|
|
|
7129322 |
Method for producing polymer alloy polymer alloy formed article transparent formed article and optical film
This invention provides a method for producing a polymer alloy, a polymer alloy as well as a molded article, a transparent molded article and an optical film, which is obtainable by using the...
|
|
|
7122619 |
Method of separating a polymer from a solvent
A method of separating a polymer-solvent mixture is described wherein a polymer-solvent mixture is heated prior to its introduction into an extruder comprising an upstream vent and/or a side feeder...
|
|
|
7091253 |
Water-absorbent resin, hydropolymer, process for producing them, and uses of them
The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The...
|
|
|
7084181 |
Method for decomposing nonmetallic honeycomb panel, and method for recycling the same
The present invention treats crushed pieces of a nonmetallic honeycomb panel together with a process water under high-temperature and high-pressure for a predetermined time so as to separate...
|
|
|
7067615 |
Hydrotreating polyester precursors
A process comprising contacting a liquid polyester stream with hydrogen in the presence of a hydrogenation catalyst comprising a metal supported on the surface of silicon carbide at a metal...
|
|
|
7038009 |
Thermally conductive elastomeric pad and method of manufacturing same
The present invention relates to thermally conductive, elastomeric pads and methods for manufacturing such pads. The methods involve injection-molding a thermally conductive composition comprising...
|
|
|
6939943 |
Method for deactivating and recovering boron trifluoride when producing polyisobutenes
The invention relates to a method for deactivating and recovering boron trifluoride when producing polyisobutenes by means of cationic polymerization of isobutene or hydrocarbon streams containing...
|
|
|
6924350 |
Method of separating a polymer from a solvent
A method of separating a polymer-solvent mixture is described wherein a polymer-solvent mixture is heated prior to its introduction into an extruder comprising as upstream vent and/or a side feeder...
|
|
|
6917275 |
Magnetic core and magnetic core-use adhesive resin composition
The present invention provides a magnetic core whose outer surface has been coated without handling brittle ribbon to thereby impart insulating properties and shape retention properties to the...
|
|
|
6916535 |
Poly (trimethylene terephthalate) pellets and method for production thereof
The present invention provides a poly(trimethylene terephthalate) pellet comprising 80 wt % or more of trimethylene terephthalate repeating units copolymerized with bis(3-hydroxypropyl) ether at a...
|
|
|
6890584 |
Flexographic ink containing a polymer or copolymer of a 3,4-dialkoxythiophene
A non-dye containing flexographic ink containing a polymer or copolymer of a 3,4-dialkoxythiophene in which the two alkoxy groups may be the same or different or together represent an optionally...
|
|
|
6887953 |
Esterification process
A process that can be used for direct esterification of a dicarboxylic acid such as terephthalic acid with a glycol such as 1,3-propanediol. The process comprises (1) contacting, at an elevated...
|
|
|
6867322 |
Ester-forming monomer
An ester-forming monomer obtained by depolymerization of polytrimethylene terephthalate and having an acrolein content of no greater than 0.5 wt %. Polymers obtained using the monomer and fibers,...
|
|
|
6844419 |
Mounting process for outgassing-sensitive optics
Optics used in a high vacuum environment are mounted by bonding by use of addition polymerizing material which used in that environment. The suitability for use in the high vacuum environment is...
|
|
|
6841656 |
Method of processing a polycondensate in a multi-screw extruder
A method for processing a polycondensate to give a granulate formed as pellets is disclosed, whereby the polycondensate is fused in the course of the method and then later resolidified. In an...
|
|
|
6818737 |
Method of producing articles from syndiotactic vinyl aromatic polymers
The present invention relates to a process of producing a molded article from a composition comprising a syndiotactic vinyl aromatic polymer, wherein the molded article has a residual vinyl...
|
|
|
6806348 |
Process for removing and regenerating a double metal cyanide (DMC) catalyst from a polymer polyol
A method of removing and reclaiming a double metal cyanide (DMC) catalyst from a polyol is disclosed. A polymeric acid that is soluble in the polyol is introduced into the polyol during or after...
|
|
|
6800725 |
Process for removing hydrogenation catalyst residue from hydrogenated polymers
This invention relates to a process for removing hydrogenation catalyst residue from hydrogenated polymers comprising: (I) treating a polymer cement comprising an unsaturated polymer in an inert...
|
|
|
6800724 |
Materials for optical applications
The present invention relates generally to a method of synthesising a metal alkoxide polymer involving the following general steps: 1. acidolysis; 2. condensation; and 3. subsequent processing. The...
|
|
|
6794487 |
Method for stabilizing fluorine-containing polymer
A melt-processable fluorine-containing polymer is melt kneaded with a kneader which has a residence time of at least 10 minutes, a usable volume ratio (usable space in a container/space in a...
|
|
|
6790932 |
Process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE
A process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE, comprising the following steps: A) obtaining of the polymer latex under the gel form; B) washing of the...
|
|
|
6787632 |
Organo-titanate catalysts for preparing pure macrocyclic oligoesters
Organo-titanate catalysts are prepared that are useful to catalyze depolymerization of a polyester to produce macrocyclic oligoesters substantially free from macrocyclic co-oligoesters.
|
|
|
6787615 |
Synthesis of oligomeric poly(silarylene-siloxane-acetylene)'s and their conversion to high temperature plastics, elastomers, and coatings
The invention comprises a networked polymer comprising the formula: wherein n≧1; wherein n is an average value obtained by averaging all repeating units of the networked polymer; wherein...
|