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| Number | Title | Issue Date |
| 7417075 | Cationically polymerizable composition, actinic radiation curable ink-jet ink, and production method of cationically polymerizable composition A cationically polymerizable composition containing a cationically polymerizable compound and a cationic polymerization initiator, wherein a total content of a cationic compound, a metal compound and a strong acid compound contained in the cationically polymerizable... | 08/26/2008 |
| 7268204 | Complex of a multimetal cyanide compound and methods of forming polyethercarbonate polyols A method of forming a polyethercarbonate polyol enhances incorporation of CO2 into the polyethercarbonate polyol. The method provides a catalyst including a multimetal cyanide compound. The multimetal cyanide compound has an ordered structure defined by a... | 09/11/2007 |
| 7217783 | Oxytetramethylene glycol copolymer and process for producing the same An oxytetramethylene glycol copolymer obtained by copolymerizing tetrahydrofuran and neopentyl glycol which has a specific number average molecular weight Mn, a specific molecular weight distribution Mw/Mn, a specific neopentyl glycol copolymerization whole ratio N | 05/15/2007 |
| 7199084 | Concentrated suspensions Suspensions are provided of water-soluble materials in non-aqueous carrier fluids using suspension agents that include thixotropic agents and, optionally, organophilic clays. Methods of forming such suspensions are provided. Methods are also provided for using such ... | 04/03/2007 |
| 7160962 | Elastomer-modified epoxy siloxane compositions Elastomer-modified Epoxy-polysiloxane compositions of this invention are prepared by combining a silicone intermediate, with an epoxy resin, an elastomeric resinous intermediate, a polyfunctional amine, an optional organometallic catalyst, and optional fillers, pigm... | 01/09/2007 |
| 7148066 | Dye solutions for use in methods to detect the prior evaporation of anhydrous ammonia and the production of illict drugs Systems and methods providing for the introduction of a dye, particularly a xanthene dye, and more particularly a rhodamine dye, to liquid anhydrous ammonia to discourage theft of the anhydrous ammonia and provide for leak detection in storage vessels. The dye will ... | 12/12/2006 |
| 7048023 | Pneumatic tire having a component containing high trans styrene-butadiene rubber The invention is directed to a pneumatic tire having at least one component comprising a vulcanizable rubber composition, wherein the vulcanizable rubber composition comprises, based on 100 parts by weight of elastomer (phr), from about 30 to 100 phr of high trans r... | 05/23/2006 |
| 7041752 | Catalyst and method for the production of polytetrahydrofuran Polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers are prepared by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer, which is in the form of shaped catalyst bodies or catalyst parti... | 05/09/2006 |
| 6979722 | Process for production of alkyllene oxide polymers According to a process for production of alkylene oxide polymers offered by the present invention, an alkylene oxide is subjected to a polymerization reaction under presence of a catalyst in a solvent containing an aliphatic hydrocarbon having from five to seven car... | 12/27/2005 |
| 6977236 | Preparation of a double metal cyanide catalyst The present invention relates to a process for the preparation of a double metal cyanide (DMC) catalyst, which process involves: (a) combining an aqueous solution of metal salt with an aqueous solution of a metal cyanide salt and r... | 12/20/2005 |
| 6822068 | Method for producing highly-branched glycidol-based polyols This invention relates to a process for the preparation of highly-branched polyols by polymerisation of glycidol in the presence of a hydrogen-active starter compound with basic catalysis, wherein glycidol is added in dilute solution and the solvent used for the dil... | 11/23/2004 |
| 6815529 | Catalyst for producing aliphatic polycarbonate and the preparation thereof This invention relates to a catalyst for producing aliphatic polycarbonate, which is composed of a rare-earth coordination compound; an alkyl metal compound; a polyol; and a carbonate. The catalytic efficiency of the catalyst of the present invention is more than 8Ã... | 11/09/2004 |
| 6773754 | Accelerated curing of epoxy gelcoats Aqueous solutions of inorganic nitrate salts are used to accelerate the gelling of epoxy gelcoat resins without adversely affecting the glass transition temperature of the finally cured gelcoat. The aqueous accelerants may be used to accelerate gelling of gelcoats t... | 08/10/2004 |
| 6765082 | Method for producing highly-branched glycidol-based polyols This invention relates to as process for the preparation of highly-branched polyols by polymerization of glycidol in the presence of a hydrogen-active starter compound with basic catalysis, wherein glycidol is added in dilute solution and the solvent used for the di... | 07/20/2004 |
| 6716788 | Preparation of a double metal cyanide catalyst The present invention relates to a process for the preparation of a double metal cyanide (DMC) catalyst, which process involves: (a) combining an aqueous solution of a metal salt with an aqueous solution of a metal cyanide salt and reacting these solutions; a... | 04/06/2004 |
| 6639025 | Elastomer-modified epoxy siloxane compositions Elastomer-modified Epoxy-polysiloxane compositions of this invention are prepared by combining a silicone intermediate, with an epoxy resin, an elastomeric resinous intermediate, a polyfunctional amine, an optional organometallic catalyst, and optional fi... | 10/28/2003 |
| 6586564 | Double-metal cyanide catalysts for preparing polyether polyols The invention relates to double-metal cyanide (DMC) catalysts for preparing polyether polyols by the polyaddition of alkylene oxides on to starter compounds containing active hydrogen atoms, wherein the DMC catalysts are composed of: a) at least one DMC c... | 07/01/2003 |
| 6455711 | Method for producing polytetrahydrofuran A process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers or diesters or monoesters of these polymers comprises polymerizing tetrahydrofuran in the presence of at least one telogen and/or comonomer over a heterogeneous catalyst comprisin... | 09/24/2002 |
| 6420320 | High molecular weight polyols, process for preparation and use thereof The invention is a high molecular weight polyether polyol prepared by the reaction of one or more compounds having one or more active hydrogen compounds with one or more alkylene oxides in the presence of a catalyst comprising calcium having counterions o... | 07/16/2002 |
| 6362312 | Catalyst and method for the production of polytetrahydrofuran In a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers or diesters or monoesters thereof comprises polymerizing tetrahydrofuran in the presence of at least one telogen and/or comonomer over an acid-activated calcium montmorillonite... | 03/26/2002 |
| 6359108 | Method for polymerizing cyclic ether A process for polymerizing cyclic ethers over a heterogeneous catalyst comprises using a heterogeneous catalyst comprising one or more pillared interlayered clays (PILCs).... | 03/19/2002 |
| 6274700 | Catalyst and method for producing polytetrahydrofuran In a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers or diesters or monoesters thereof by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer over acid-activated montmorillonite catalysts, t... | 08/14/2001 |
| 6255434 | High molecular weight polyols, process for preparation and use thereof The invention is a high molecular weight polyether polyol prepared by the reaction of one or more compounds having one or more active hydrogen compounds with one or more alkylene oxides in the presence of a catalyst comprising calcium having counterions o... | 07/03/2001 |
| 6235808 | Radiation-curable cycloaliphatic epoxy compounds, uses thereof, and compositions containing them Disclosed are compounds of the formulas ##STR1## which are useful as monomers in photopolymerizable compositions. Also disclosed are methods of polymerizing these monomers, and polymers produced thereby.... | 05/22/2001 |
| 6133411 | Slurry mixture forming an additive for producing a hydrodynamic drag reduction aqueous polymer solution A slurry mixture comprising a water soluble resin of the polyacrylamide cs of polymers suspended as a gel in a non-solvent to the resin, but itself water soluble, from a group consisting of (a) the glycol ether type of compounds, or (b) the Tris (tetrahy... | 10/17/2000 |
| 6103850 | Sealants made using low unsaturation polyoxyalkylene polyether polyols There is provided an sealant made with an isocyanate or hydroxyl terminated prepolymer made by reacting a stoichiometric excess of an organic polyisocyanate with polyols made of at least a polyoxyalkylene polyether triol or a mixture thereof with a polyox... | 08/15/2000 |
| 6001873 | Process for preparing a high purity epoxy resin This invention relates to a process for preparing a high purity epoxy resin comprising reacting an aromatic compound containing hyroxyl or amino group with an excess amount of an epihalohydrin in the presence of hydroxides of alkali metal or alkali earth ... | 12/14/1999 |
| 5969036 | Epoxy-containing die-attach compositions In accordance with the present invention, there are provided novel compositions for attaching semiconductor devices to substrates. Invention compositions comprise liquid monomer vehicle comprising hydrophobic cyanate ester monomer(s) and epoxy monomer(s),... | 10/19/1999 |
| 5922832 | Impact modified melt-stable lactide polymer compositions and processes for manufacture thereof The invention is directed toward melt-processable lactide polymer compositions, processes for manufacturing these compositions, and articles made from these compositions. The compositions include a first phase, which contains a polylactide-based polymer, ... | 07/13/1999 |
| 5886138 | Process for the preparation of tetrahydrofuran polymers A process for the continuous and discontinuous production of tetrahydrofuran polymers by homopolymerizing tetrahydrofuran or copolymerizing tetrahydrofuran with 1,2-alkylene oxides in the presence of compounds with reactive hydrogen or carboxylic acid anh... | 03/23/1999 |
| 5780584 | Highly active double metal cyanide complex catalysts Highly active double metal cyanide (DMC) complex catalysts and methods for making them are disclosed. The catalysts contain less than about 0.2 moles of metal salt per mole of DMC compound in the catalyst, and unlike other highly active DMC catalysts, are... | 07/14/1998 |
| 5770678 | Polymerization of, and depolymerization to, cyclic ethers using selected metal compound catalysts A process for polymerizing oxiranes, oxetanes, oxepanes, dioxolanes, trioxanes, and tetrahydrofurans to their respective polymers by contacting them with a selected metal compound is disclosed; and also a process for depolymerizing polytetrahydrofurans to... | 06/23/1998 |
| 5641853 | Polymerization of cyclic ethers using selected metal compound catalysts A process for polymerizing oxepanes, dioxolanes, trioxanes, and tetrahydrofurans to their respective polymers by contacting them with a selected metal compound and an accelerator which is a selected vinyl ester or a selected phosphorous compound.... | 06/24/1997 |
| 5641858 | Polyurethane foam-supported double metal cyanide catalysts for polyether polyol synthesis A process for making an epoxide polymer comprises polymerizing an epoxide in the presence of an activated polyurethane foam-supported double metal cyanide (DMC) catalyst prepared by (a) exposing a DMC compound to an epoxide and a hydroxyl group-containing... | 06/24/1997 |
| 5614126 | Solventless curable resin composition, in particular for the fabrication of prepregs The invention relates to a substantially solventless curable resin composition, in particular for the fabrication of prepregs, which contains more than 45% by weight of substances which are solid at ambient temperature at least or at lower temperature, an... | 03/25/1997 |
| 5480928 | Preparation of stable dispersions of ethylene oxide polymers A process for producing a stable dispersion of ethylene oxide polymer which comprises contacting (a) a slurry of granular ethylene oxide polymer in a first inert normally-liquid hydrocarbon diluent, with (b) a second inert, normally-liquid organic diluent... | 01/02/1996 |
| 5478920 | Cyclic ether polymerization using silicon compound accelerators When selected silicon compounds are added to cationic polymerizations of cyclic ethers such as oxiranes and tetrahydrofurans, the rate of polymerization is often increased, and novel polyethers are produced. The polyether products are useful as monomers a... | 12/26/1995 |
| 5470896 | Storage-stable solutions of accelerator systems Solutions of accelerator systems comprising a binary system comprising a) 10 to 90% by weight of a salt of formula I [Me]mx.sym. [R]ny.crclbar. (I), wherein x and y are the respective number of charges and m and n ... | 11/28/1995 |
| 5426174 | Hydroxy-functionalized polyoxyalkylene ether compositions derived from mixtures of C4 epoxides Hydroxy-functionalized polyoxybutylene ether compositions having improved thermal and oxidative stability are prepared by the polymerization of a mixture of C4 epoxides in the presence of an organic initiator containing hydroxy groups.... | 06/20/1995 |
| 5290912 | Process for producing a polyoxyalkylene compound The present invention has an object of producing a polyoxyalkylene compound by ring-opening polymerization of an alkylene oxide to a certain specific highly hydrophobic initiator. The present invention provides a process for producing a polyoxyalkylene co... | 03/01/1994 |
