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| Number | Title | Issue Date |
| 7498381 | Low permeability elastomeric-metal phosphate nanocomposites The present invention provides a nanocomposite of an isobutylene-based elastomer and a phosphate nanofiller. Also disclosed is a nanocomposite embodiment wherein the elastomer is BIMSM and high aspect ratio, partially intercalated, partially exfoliated alpha-zirconi... | 03/03/2009 |
| 7335719 | Polyester based on poly(trimethylene terephthalate) A polyester based on poly(trimethylene terephthalate) consisting essentially of trimethylene terephthalate repeating units, comprising at least one kind of compound selected from the group consisting of alkali metal compounds, alkaline earth metal compounds and mang... | 02/26/2008 |
| 7335410 | Composition and process for manufacturing polyester The invention relates to a composition suitable for catalysis in a process for the manufacture of polyester containing as Component I a carrier substance on which catalytically effective metal compounds are adsorbed and as Component II a phosphonic acid compound. | 02/26/2008 |
| 7273901 | Flame retardant dispersion The invention relates to a novel flame retardant dispersion for thermoplastic and thermoset polymers, comprising, as component A, a phosphinic salt of the formula (I), and/or a diphosphinic salt of the formula (II), and/or polymers of these, ... | 09/25/2007 |
| 7196158 | Knitted/woven fabric of polyester fiber A knitted/woven fabric of polyester fibers is produced from a polyester polymer obtained by condensation-polymerizing an aromatic dicarboxylate in the presence of a catalyst which comprises a mixture of a titanium compound ingredient (A) comprising a titanium alkoxi... | 03/27/2007 |
| 7189797 | Process for producing poly(ethylene-aromatic dicarboxylate ester) resin and resin product A poly(ethylene aromatic dicarboxylate ester) resin usable for the production of fibers, films and bottle-formed articles, is produced by polycondensing a diester of an aromatic dicarboxylic acid with ethylene glycol by using a catalyst including a non-reacted mixtu... | 03/13/2007 |
| 7172075 | Defect free composite membranes, method for producing said membranes and use of the same A defect free semipermeable composite membrane having outstanding integrity and high water permeability is provided. Said composite membrane comprises an inside support layer to provide sufficient mechanical strength, an outside barrier layer to provide selective se... | 02/06/2007 |
| 7144614 | Polyester polymerization catalyst, polyester produced by using the same, and process for producing polyester This invention provides a novel polymerization catalyst other than antimony compounds, polyester produced by using the same and a process for producing polyester. The polycondensation catalyst of this invention is a polyester polymerization catalyst comprising an al... | 12/05/2006 |
| 7087338 | Polymer electrolyte fuel-cell separator sealing rubber composition A rubber composition comprising (A) an organopolysiloxane end-capped with alkenyldialkylsiloxy, dialkenylalkylsiloxy or trialkenylsiloxy radicals and free of aliphatic unsaturation on any side chain, (B) an organopolysiloxane containing at least three alkenyl radica... | 08/08/2006 |
| 7057006 | Stable aqueous solutions comprising titanium and zinc and process therewith A composition that can be used as catalyst in esterification, transesterification or polycondensation is disclosed, which comprises a stable solution comprising (a) titanium in the form of a titanium α-hydroxycarboxylic acid or its salt, (b) a C1–C | 06/06/2006 |
| 6998462 | Polyester process Disclosed is a process that comprises contacting, in the presence of an esterification or transesterification or polycondensation catalyst composition, a toner, and a phosphorus compound, a carbonyl compound and an alcohol under a condition suitable for esterificati... | 02/14/2006 |
| 6979752 | Continuous process for converting polytetramethylene ether diester to polytetramethylene ether glycol A continuous process for converting by transesterification the diester of polytetramethylene ether (PTMEA) to the corresponding polytetramethylene ether glycol (PTMEG). The process is characterized by the fact that the feed, consisting of PTMEA along with an alkanol... | 12/27/2005 |
| 6930196 | Polyurethane hydrogel contact lens A prepolymer is prepared by reacting a mixture containing (a) at least one multifunctional compound, (b) at least one diisocyanate, and (c) at least one diol. The diol has a weight average molecular weight of at most 6000. The prepolymer, when reacted with an excess... | 08/16/2005 |
| 6783827 | Method or decreasing the cyclic oligomer content in polyester product The present invention relates to a method for decreasing the cyclic oligomer content level in the manufacturing process of polyethylene terephthalate (PET) and in the PET products produced from said process by adding calcium phosphate at least one selected from the ... | 08/31/2004 |
| 6706844 | Polyurethane products produced from aluminum phosphonate catalyzed polyetherols A method for the production of polyurethane products using very low unsaturation polyether polyols prepared in the presence of aluminum phosphonate catalysts is disclosed. Reaction products of the process include various polyurethane products including foams, coatin... | 03/16/2004 |
| 6673854 | Vinyl acetate/ethylene emulsion stabilized with a phosphate surfactant The present invention is directed to a vinyl acetate-ethylene polymer dispersion containing a vinyl acetate-ethylene polymer, a phosphate-functional surfactant, and a protective colloid. The invention is also directed to an aqueous coating composition hav... | 01/06/2004 |
| 6663961 | Process for preparation of polyester-based polymers This invention is related to a process for preparing polyester polymers using a composite catalyst comprises the steps of 1) esterifying naphthalene dicarboxylic acid or a dicarboxylic acids containing NDCA or ester derivatives thereof, with ethylene glyc... | 12/16/2003 |
| 6630564 | Copolyester with improved extrusion processing and color for extrusion blow molding To a copolyester reacted essentially by terephthalic acid components and ethylene glycol units, adding 1% to 15 weight % of specific diol unit selected from the group consisting of at least one of 2-butyl-2-ethyl-1,3-propanediol, 3-methyl-1,5-pentanediol,... | 10/07/2003 |
| 6593447 | Catalyst for polyester production and process for producing polyester with the same A polyester having a good color tone, an excellent forming property and a high resistance to cohesion of foreign substance around a melt-spinning orifice when the polyester is melt-spun, is produced by polymerizing an aromatic difunctional carboxylic acid... | 07/15/2003 |
| 6541598 | Composition comprising titanium and process therewith A composition that can be used as catalyst is disclosed. The composition comprises, or is produced by combining, (A) a titanium compound; (B) either (i) a complexing agent, (ii) a combination of a complexing agent, hypophosphorous acid or a salt thereof, ... | 04/01/2003 |
| 6489433 | Metal-containing composition and process therewith A composition that can be used as catalyst is disclosed. The composition comprises, or is produced by combining, (A) a titanium compound; (B) either (i) a complexing agent, (ii) a combination of a complexing agent, hypophosphorous acid or a salt thereof, ... | 12/03/2002 |
| 6392005 | Manufacturing method for decreasing the cyclic oligomer content in polyester The present invention relates to a manufacturing method for decreasing the cyclic oligomer content in polyester which effectively restrains the production of the cyclic oligomer in ester chips and further decreases the amount of regenerated cyclic oligome... | 05/21/2002 |
| 6346324 | Cis-bridged metal complexes and catalyst systems containing the same Disclosed is a cis-bridged metal complex of the formula (I) ##STR1## where R5 is an electron-withdrawing radical, and catalyst systems based on these complexes for copolymerizing carbon monoxide and olefinically unsaturated compounds.... | 02/12/2002 |
| 6252013 | Method for making siloxane copolycarbonates A melt condensation polymerization process for preparing siloxane copolycarbonates is provided. The process includes reacting an aromatic dihydroxy compound, carbonic acid diester, hydroxyaryl terminated polydiorganosiloxane and catalyst with a salt.... | 06/26/2001 |
| 6211259 | Low volatile reinforcing system The present invention includes new compositions for making polyurethane and polyurethane foam compositions. These compositions comprise the reaction product of an isocyanate A-Side and a B-Side comprising: (i) a polyol having a molecular weight of about 1... | 04/03/2001 |
| 6143837 | Process for the preparation of polyester resin A process for the preparation of aromatic polyester resins, in which the resin obtained from the polycondensation phase in the molten state conducted by utilizing a titanium based compound as a catalyst, is subjected to a solid state polycondensation reac... | 11/07/2000 |
| 6133410 | Linear alternating functionalized -olefin/CO-copolymers and their use in preparing ion-selective membranes Linear, alternating -olefin-CO copolymers are obtainable by polymerization of a monomer mixture comprising a) carbon monoxide, b) 1-alkenes which are functionalized by a covalently bonded crown ether unit or cryptand unit A containing at least 5 heteroa... | 10/17/2000 |
| 6103867 | Catalyst systems for producing copolymers of carbon monoxide and olefinically unsaturated compounds The catalyst systems comprise as active constituents a) a metal complex of the formula (I) ##STR1## b) one or more Lewis or protic acids or a mixture of Lewis and protic acids.... | 08/15/2000 |
| 6020422 | Aqueous dispersion polymers Water soluable, aqueous salt solution dispersible polymers and aqueous salt solutions containing dispersed polymers are produced by polymerization of ethylenically unsaturated soluble monomers in an aqueous salt solution in the presence of at least one ca... | 02/01/2000 |
| 5929178 | Heat-aging-resistant polyamide resin composition and fiber comprising the same There are provided a heat-aging-resistant polyamide resin composition comprising (C) a polyamide containing 10 to 100% by weight of (A) a polyamide obtained by polymerizing a monomer containing 70 mole % or more of m-xylylenediamine as a diamine component... | 07/27/1999 |
| 5905138 | Process for the preparation of copolymers A process for the preparation of a copolymer of carbon monoxide with an olefinically unsaturated compound in which a powder of a copolymer of carbon monoxide with an olefinically unsaturated compound is suspended in a liquid diluent. The suspension is con... | 05/18/1999 |
| 5770659 | Process for making storage-stable epoxy-capped polyetherester resins Processes for making storage-stable epoxy-capped polyetherester resins are disclosed. In one process, a polyetherester resin is first made by inserting a carboxylic acid derivative into a polyether. Reacting the resin with a capping agent gives an interme... | 06/23/1998 |
| 5756656 | Process for the prepartion of copolymers A process for the preparation of a copolymer of carbon monoxide with an olefinically unsaturated compound, comprising copolymerizing the monomers in the presence of a Group VIII metal containing catalyst composition and in the presence of an olefinically ... | 05/26/1998 |
| 5750642 | Process for the preparation of copolymers A process for the preparation of copolymers of carbon monoxide with an olefinically unsaturated compound comprising copolymerizing the monomers in the presence of a catalyst composition based upon (a) a salt of a Group VIII metal, and (b) a cation which is sel... | 05/12/1998 |
| 5739264 | Process for the preparation of copolymers based on carbon monoxide and at least one compound having an alkenylic unsaturation A process for the preparation of alternated linear copolymers based on carbon monoxide and one or more compounds having an unsaturation of the alkenylic type comprises, reacting in a halogenated aromatic or aliphatic solvent the carbon monoxide and one or... | 04/14/1998 |
| 5723572 | Process for the preparation of a linear alternating copolymer of carbon monoxide with ethene and another olefinically unsaturated compound A process for the preparation of a linear alternating copolymer of carbon monoxide with ethene and another olefinically unsaturated compound (A) wherein a copolymer of which the molar ratio (r1) of the monomer units originating in the olefinica... | 03/03/1998 |
| 5717060 | Process for the preparation of copolymers based on carbon monoxide and at least one compound containing an alkenyl unsaturation An improved process is described for the preparation of alternating linear copolymers based on carbon monoxide and at least one compound containing an alkenyl unsaturation which comprises reacting in a liquid solvent under the operating conditions, a mixt... | 02/10/1998 |
| 5696226 | Resin composition and molded article thereof A resin composition containing a hydrotalcite compound in an amount of 0.01 to 5 parts by weight based on 100 parts by weight of the thermoplastic resin, the hydrotalcite compound having fine crystals of copper oxide deposited on the surface thereof; and ... | 12/09/1997 |
| 5684123 | Preparation of catalyst solution A process for the preparation of a solution of a catalyst system, suitable for use in a process for copolymerizing carbon monoxide and one or more ethylenically unsaturated compounds, which comprises (a) combining a palladium compound, a bisphosphine of t... | 11/04/1997 |
| 5670611 | Process for the copolymerization of carbon monoxide with an olefinically unsaturated compound A process for the copolymerization of carbon monoxide with an olefinically unsaturated compound in which a solid particulate material is suspended in a liquid diluent in which the polymer to be produced forms a suspension. The monomers are contracted in t... | 09/23/1997 |
