| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 528405000 | With reactant which is devoid of a heterocyclic ring containing oxygen, selenium or tellurium atoms as ring members | 35 |
| 20110201779 | PURIFICATION OF POLYCARBONATES - The present disclosure provides, in part, a method for removing a catalyst from a product of catalyzed aliphatic polycarbonate polymerization reaction. | 08-18-2011 |
| 20090137775 | ADAMANTANE DERIVATIVE, EPOXY RESIN, AND OPTICAL ELECTRONIC MEMBER USING RESIN COMPOSITION COMPRISING THEM - This invention provides an adamantane derivative that can provide a cured product having excellent optical properties such as transparency and lightfastness, long-term heat resistance, and electric characteristics such as permittivity, and an epoxy resin having an adamantane skeleton, a resin composition comprising them, and an optical electronic member using the resin composition. The adamantane derivative is represented by general formula (I). The epoxy resin having an adamantane skeleton is represented by general formula (V) or (VI). The resin composition comprises them. The optical electronic member uses the resin composition. In the formula, W represents, for example, a hydrogen atom, X represents a group represented by general formula (II), Y represents, for example, —O—, Z represents a group represented by formula (III) or (IV), R | 05-28-2009 |
| 20120184709 | PROCESS FOR PRODUCING POLYCARBONATES AND A COORDINATION COMPLEX USED THEREFOR - The complex of the present invention containing an onium salt and a central Lewis acidic metal has a high catalytic activity at a high temperature for the copolymerization of an epoxide and carbon dioxide to produce a high molecular weight polycarbonate. | 07-19-2012 |
| 20100099842 | ACCELERATORS FOR POLYMERIZATION OF EPOXY RESINS - Embodiments of the present invention disclose accelerator compositions useful in the curing of an epoxy resins having at least one amine and a glycerin. | 04-22-2010 |
| 20130060001 | CATALYSTS FOR THE PREPARATION OF CARBONATES FROM EPOXIDES AND CO2 - A macrocycle based on β-diketimines, a process for preparing the inventive macrocycle, an uncharged macrocyclic dimetallic complex based on the inventive macrocycle, and a process for preparing the uncharged macrocyclic dimetallic complex, the use of the uncharged macrocyclic dimetallic complex as a polymerization catalyst in the polymerization of carbon dioxide with one or more epoxides, a process for preparing polycarbonates by reacting carbon dioxide with one or more epoxides in the presence of the inventive uncharged macrocyclic dimetallic complex, and a polycarbonate prepared by the process according to the invention. | 03-07-2013 |
| 20130066044 | POLYCARBONATE POLYOL COMPOSITIONS AND METHODS - In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO | 03-14-2013 |
| 20110282027 | PROCESS FOR PRODUCING POLYETHEROLS - The present invention relates to processes for producing polyetherols, in particular to polyetherol block structures, to novel catalysts for use in said processes, and to the polyetherols that can be produced via the process of the invention. The present invention further relates to the use, for producing polyurethanes, of the polyetherols that can be produced in the invention. | 11-17-2011 |
| 20100267926 | COPOLYETHER GLYCOL MANUFACTURING PROCESS - The present invention relates to a continuous process for manufacturing copolyether glycols with high incorporation of alkylene oxide by polymerization of tetrahydrofuran and at least one alkylene oxide in the presence of an acid catalyst, at least one compound containing reactive hydrogen atoms, and a specific diluent or solvent. More particularly, the invention relates to a diluent or solvent-assisted continuous process for manufacturing copolyether glycols with high incorporation of alkylene oxide. | 10-21-2010 |
| 20100121026 | PROCESS FOR PRODUCING POLYCARBONATES AND A COORDINATION COMPLEX USED THEREFOR - The complex of the present invention containing an onium salt and a central Lewis acidic metal has a high catalytic activity at a high temperature for the copolymerization of an epoxide and carbon dioxide to produce a high molecular weight poly-carbonate. | 05-13-2010 |
| 20090005533 | Method for Producing Polyether Alcohols - The invention relates to a process for preparing polyether alcohols by catalytic addition of alkylene oxides onto a starter substance mixture comprising water-soluble H-functional starter substances which are solid at room temperature, alcohols which are liquid at the reaction temperature and water using alkali metal hydroxides and/or alkaline earth metal hydroxides as catalysts, wherein the amount of water is from 1.0 to 6.0% by weight, based on the weight of the starter substance mixture, and the starter substance mixture comprises no amine constituents. | 01-01-2009 |
| 20090281274 | HIGHLY FUNCTIONAL, HYPERBRANCHED POLYCARBONATES AND PRODUCTION AND USE THEREOF - Hyperbranched polycarbonates having stabilizing groups, prepared by reaction of
| 11-12-2009 |
| 20090198041 | CRUDE GLYCEROL-BASED PRODUCT, PROCESS FOR ITS PURIFICATION AND ITS USE IN THE MANUFACTURE OF DICHLOROPROPANOL - The invention relates to a crude glycerol-based product comprising glycerol alkyl ethers, to a purification process comprising a treatment of evaporative concentration, of evaporative crystallization, of distillation, of fractional distillation, of stripping, or of liquid-liquid extraction and to the use of the purified product in the manufacture of dichloropropanol. | 08-06-2009 |
| 20110207909 | Catalytic System of Nitrate Anions for CO2/ Epoxide Copolymerization - This invention relates to a Salen type ligand including three or more quaternary ammonium salts of nitrate anions, to a trivalent metal complex compound prepared from this ligand and a method of preparing the same, to a method of preparing polycarbonate by copolymerizing an epoxide compound and carbon dioxide using the complex compound as a catalyst, and to a method of separating and collecting the catalyst from the copolymer after copolymerization. This catalyst used to copolymerize an epoxide compound and carbon dioxide can be more simply prepared, and has lower catalyst preparation and recovery costs, and higher activity, compared to conventional catalysts. | 08-25-2011 |
| 20110224403 | METHOD OF MAKING A CYCLIC GUANIDINE FROM DICYANDIAMIDE AND COATING COMPOSITIONS CONTAINING SAME - The present invention is directed to a method for preparing a cyclic guanidine comprising reacting (i) a cyanamide, (ii) a polyamine, and (iii) a weak acid. The present invention is also directed to a coating composition comprising the cyclic guanidine. | 09-15-2011 |
| 20090203874 | METHOD FOR PRODUCING POLYETHER POLYOLS - A process for preparing polyether polyols by reaction of the following starting materials:
| 08-13-2009 |
| 20090240025 | Organic Zinc Catalyst, and Process for Production of Poly(Alkylene Carbonate) Using the Same - The present invention has for its object to provide a novel organic zinc catalyst showing very high polymerizing activity in the reaction for producing a poly(alkylene carbonate) from carbon dioxide and an epoxide as well as a method of producing a poly(alkylene carbonate) using the same. | 09-24-2009 |
| 20110060119 | CURING METHOD FOR POLYETHER - This invention relates to a novel curing method of oligomers, using metal triflates, and particularly to the curing of hydroxyl terminated elastomers to achieve crosslinked polymers. The method finds particular use as an alternative cure methodology to replace isocyanate curing. There is further provided a cured and crosslinked polymer binder, which is particularly suitable and compatible for use with energetic materials. | 03-10-2011 |
| 20110028682 | PROCESS FOR PRODUCING POLYALKYLENE OXIDE - The present invention aims to provide a method for producing a polyalkylene oxide, which is capable of improving reduction in reactivity of a double metal cyanide complex catalyst in the case that a low molecular weight initiator is used, and producing the polyalkylene oxide with high productivity at low cost. The method for producing a polyalkylene oxide comprises carrying out a ring-opening addition reaction of an alkylene oxide with an initiator having at least one hydroxy group and having a molecular weight of not more than 300 per hydroxy group in the presence of a double metal cyanide complex catalyst in an organic solvent, wherein the organic solvent is used in an amount of 500 to 1,500 parts by weight relative to 100 parts by weight of the alkylene oxide used at the start of the reaction. | 02-03-2011 |
| 20100311941 | COPOLYMERIZATION OF EPOXIDES AND CYCLIC ANHYDRIDES - The present invention provides novel polymers and methods of preparing the same. | 12-09-2010 |
| 20090143562 | PROCESS TO MAKE POLY(TRIMETHYLENE CARBONATE) GLYCOL - This invention relates to the production of poly(trimethylene carbonate) glycol via the polymerization of trimethylene carbonate employing one or more acidic ion exchange resin catalysts in the presence of a solvent. The products formed are substantially free of these catalysts. | 06-04-2009 |
| 20110087001 | POLYMERS OF ETHYLENE OXIDE AND CARBON DIOXIDE - The present disclosure is directed, in part, to methods of synthesizing a poly(ethylene carbonate) polymer from the reaction of ethylene oxide (EO) and carbon dioxide (CO | 04-14-2011 |
| 20110152497 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 06-23-2011 |
| 20090137774 | ADAMANTANE DERIVATIVE, RESIN COMPOSITION CONTAINING SAME, AND OPTOELECTRONIC COMPONENT USING SAME - Disclosed is an adamantane derivative which enables to obtain a cured product which is excellent in optical characteristics such as transparency and light resistance, long-term heat resistance, and electrical characteristics such as dielectric constant. Also disclosed are a resin composition containing such an adamantane derivative, and a sealing agent for electronic circuits and an optoelectronic member respectively using those. Specifically disclosed are an adamantane derivative represented by the general formula (I) below, a resin composition containing such an adamantane derivative, a sealing agent for electronic circuits and an optoelectronic member respectively using such a resin composition, and an adhesive of those. (I) In the general formula (I), Z represents a group selected from the groups represented by the general formula (II) or (III) below (wherein R | 05-28-2009 |
| 20100324260 | Catalytic System for CO2/Epoxide Copolymerization - The present invention related to a method of manufacturing a polycarbonate including the process of copolymerizing epoxide compound and CO2 using cobalt(III) or chromium(III), where the ligands contains at least 3 ammonium cations, central metal has formal −1 charge, and conjugated anions of the two cationic ammonium groups are acid-base homoconjugation, as catalyst. | 12-23-2010 |
| 20110218320 | MODIFIED ZINC SALTS OF C4-8-ALKANEDICARBOXYLIC ACIDS AND USE THEREOF AS A POLYMERIZATION CATALYST - Zinc salts of C | 09-08-2011 |
| 20110118435 | BIMETALLIC CATALYTIC COMPLEXES FOR THE COPOLYMERISATION OF CARBON DIOXIDE AND AN EPOXIDE - The present invention provides a novel catalyst of formula (I): wherein M is selected from Zn(H), Co(II), Mn(II), Mg(II), Fe(II), Cr(III)-X or Fe(III)-X, and the use thereof in polymerising carbon dioxide and an epoxide. | 05-19-2011 |
| 20100331517 | POLYETHER CARBONATE POLYOLS MADE VIA DOUBLE METAL CYANDIE (DMC) CATALYSIS - The present invention relates to a polyether carbonate polyol made by copolymerizing a starter molecule with carbon dioxide, at a pressure ranging from about 10 psia to about 2,000 psia, and an alkylene oxide, at a temperature ranging from about 50° C. to about 190° C. and in the presence of from about 0.001 Wt. % to about 0.2 wt. % of a substantially non-crystalline double metal cyanide (DMC) catalyst, wherein the polyol has an incorporated carbon dioxide content of from about 1 wt. % to about 40 wt. %, wherein the ratio of cyclic carbonate by-product to total carbonate is less than about 0.3 and wherein the weight percentages are based on the weight of the polyol. The inventive polyether carbonate polyols may find use in producing polyurethane foams, elastomers, coatings, sealants and adhesives with improved properties. | 12-30-2010 |
| 20110313128 | ISOTACTIC SPECIFIC CATALYST FOR DIRECT PRODUCTION OF HIGHLY ISOTACTIC POLY (PROPYLENE OXIDE) OR HIGHLY ISOTACTIC POLY (BUTYLENE OXIDE) - (Salph or methoxy salph) Co (initiating ligand) catalyze homopolymerizing rac-PO to produce pure highly isotactic PPO and rac-1-butylene oxide to produce pure isotactic poly(butylene oxide). A product is unfractionated isotactic PPO of m-dyad content>81%, normally at least 99%. | 12-22-2011 |
| 20120226016 | PROCESS FOR PRODUCING POLYCARBONATES AND A COORDINATION COMPLEX USED THEREFOR - The complex of the present invention containing an onium salt and a central Lewis acidic metal has a high catalytic activity at a high temperature for the copolymerization of an epoxide and carbon dioxide to produce a high molecular weight polycarbonate. | 09-06-2012 |
| 20120226017 | USE OF A STEREOISOMER MIXTURE OF DIAMINOMETHYLCYCLOHEXANE AS A HARDENER FOR EPOXY RESINS - The present invention provides a composition which comprises at least one epoxy resin and a mixture comprising the 7 stereoisomers of diaminomethylcyclohexane in very specific ratios relative to one another, a process for preparing the composition, the use of the composition for producing hardened epoxides, adhesives, composite materials and moldings, a mixture comprising the 7 stereoisomers of diaminomethylcyclohexane in the specific ratios, and the use of this mixture for producing the composition. | 09-06-2012 |
| 20120232245 | Method for Preparing Carbon Dioxide/Epoxide Copolymers Containing Ether Linkages - Provided is a method for preparing poly(alkylene carbonate) containing ether linkages, by the copolymerization of an epoxy compound and carbon dioxide, with a trivalent metal complex prepared from a salen type ligand containing a quaternary ammonium salt, and a double metal cyanide (DMC) catalyst together. The amount of ether linkages can be controlled by regulating the weight ratio of two catalysts and the carbon dioxide pressure. | 09-13-2012 |
| 20120264910 | PROCESS FOR COUPLING EPOXIDES AND CARBON DIOXIDE - The present invention relates to a process for preparing carbonates by reacting propylene oxide, ethylene oxide, styrene oxide and/or cyclohexene oxide with carbon dioxide in the presence of one or more catalysts of the formula I | 10-18-2012 |
| 20110160428 | Initiator - An initiator for cationic polymerization comprises a salt of a protic acid as well as a protic acid. The molar ratio of protic acid to salt is in the range from 1:0.01 to 1:2000. The initiator is used for example for cationic homo- or copolymerization of trioxane, and permits stable and flexible operation of the polymerization. | 06-30-2011 |
| 528406000 | Heterocyclic reactant contains at least two heterocyclic rings having oxygen, selenium or tellurium as ring members | 2 |
| 20100160601 | POLYCARBONATE CONTAINING PLANT-DERIVED COMPONENT AND PROCESS FOR THE PREPARATION THEREOF - A process for production of a plant-derived component-containing polycarbonate represented by the following formula (3): | 06-24-2010 |
| 528407000 | Reactant which is devoid of a heterocyclic ring containing oxygen, selenium or tellurium as ring atoms, contains at least one nitrogen atom | 1 |
| 20120065362 | POLYETHERAMINES, COMPOSITIONS INCLUDING POLYETHERAMINES, AND METHODS OF MAKING - Embodiments of the present disclosure include polyetheramines, methods of making polyetheramine, methods of using polyetheramine, and the like. | 03-15-2012 |
