Class 502/175 - Cyanide

Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition in which the carbon is bound to nitrogen by
No. of patents: 132
Last issue date: 10/12/2010

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Number	Title	Issue Date
7811958	Method for producing an DMC catalyst The invention relates to a process for preparing DMC catalysts by reacting cyanometalate compounds, preferably cyanometalate salts, in particular alkali metal or alkaline earth metal salts, with metal salts, wherein the reaction is carried out in the presence of a B...	10/12/2010
7754643	Transesterification catalyst and a process for the preparation thereof The present invention provides a novel transesterification catalyst having the general formula: Zn3M2(CN)n(ROH).xZnCl2.yH2O wherein R is tertiary-butyl and M is a transition metal ion selecte...	07/13/2010
7678729	Process for the preparation of polyether polyols The present invention provides a process for conditioning double metal cyanide (DMC) catalysts, which are employed in the preparation of polyether polyols based on starter compounds having active hydrogen atoms, the preparation of polyether polyols using the conditi...	03/16/2010
7645717	Nano-scale DMC catalyst particles Nano-scale DMC catalyst complexes are highly active alkylene oxide polymerization catalysts. Thy show a greatly improved ability to catalyze the formation of EO-capping onto secondary hydroxyl-terminated polyethers. The catalysts can be prepared by precipitation in ...	01/12/2010
7323605	Double metal cyanide-catalyzed, low unsaturation polyethers from boron-containing starters The present invention provides a process for the double metal cyanide (DMC)-catalyzed production of low unsaturation polyethers from boron-containing starters. The polyethers produced by the inventive process may be reacted with one or more isocyanates to provide po...	01/29/2008
7300993	Process for the preparation of polyether polyols The invention relates to a process for the preparation of polyether polyols, which process involves: (a) contacting a phosphorus containing compound having at least one hydroxyl group with alkylene oxide to obtain alkoxylated initi...	11/27/2007
7241926	Method for producing polyether alcohols A process for preparing polyether alcohols by addition of alkylene oxides onto H-functional starter substances in the presence of multimetal cyanide catalysts, wherein the multimetal cyanide catalysts are microporous and have a specific surface area of more than 100...	07/10/2007
7238745	Aqueous polyurethane/urea dispersions containing alkoxysilane groups Polyurethane/ureas including hydrophilic moieties and alkoxysilane groups of formula (I) —X—CO—NR2—Y—Si—(Z)3 (I) where X is O or NR2; R2 is H, C1-C6 alkyl, substi...	07/03/2007
7226887	Method for preparing metal cyanide catalysts using polymerizable complexing agents Complexes of a metal cyanide polymerization catalyst and certain monomer complexing agents provide a method whereby heterogeneous, active metal cyanide catalysts can be prepared. The catalysts are useful alkylene oxide polymerization catalysts that are easily separa...	06/05/2007
7223890	Isocyanate reactive mixture and process for preparing same The present invention relates to an improved isocyanate reactive mixture containing at least one DMC-catalyzed polyol and about 0.25 to about 15 wt. %, based on the total weight of the isocyanate-reactive mixture, of at least one ethylene oxide (EO) containing water...	05/29/2007
7223832	Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto The present invention is directed to polyols prepared in the presence of double metal cyanide catalysts (“DMC”) which are prepared by combining i) at least one metal salt; ii) at least one metal cyanide salt; iii) at least one organic complexing ligand; iv) at l...	05/29/2007
7196030	Method for producing alkoxylated products at optimized reaction pressures The present invention relates to a process for the preparation of at least one alkoxylate comprising the bringing into contact of an alkylene oxide mixture at least comprising ethylene oxide with at least one starter compound in the presence of at least one double-m...	03/27/2007
7175898	Reusable elastic adhesive sheet redetachable without residue or damage A single-sidedly or double-sidedly pressure-sensitively adhesive, elastic adhesive sheet comprising at least one layer of a pressure-sensitive adhesive, and having a maximum stretchability of more than 200% and a recovery of more than 60% after stretching to ⅔ of ...	02/13/2007
7176001	Manufacture and purification of cyclosporin A The present invention provides an improved method for the manufacture of Cyclosporin A is disclosed. Cyclosporin A is produced by solid state fermentation of Fusarium solani in a bioreactor under optimal fermentation parameters. The product is extracted and f...	02/13/2007
7169956	Double metal cyanide complex catalyst, its production process and its utilization Provided is a double metal cyanide complex catalyst with a high activity which is readily produced on an industrial scale. The double metal cyanide complex catalyst is of a fine particle form and contains t-butyl alcohol or, t-butyl alcohol and another organic compo...	01/30/2007
7160976	Polyurethane PSA Pressure-sensitive adhesive based on polyurethane, characterized in that the polyurethane is composed of the following starting materials which are reacted with one another in the stated proportions: a) at least one aliphatic or alicyclic diisocyanate h...	01/09/2007
7157549	Polymerization of oxiranes with a lithium-containing initiator A method is provided for polymerizing oxiranes by employing a lithium-containing polymerization initiator in a liquid reaction medium devoid of polymerization additives. Linear and star polymers can be produced by practicing the subject method. ...	01/02/2007
7112551	Double metal complex catalyst Process comprising treating a double metal cyanide complex catalyst with sound waves and/or electromagnetic radiation, process for polymerising alkylene oxide in which such catalyst is used, and double metal cyanide complex catalyst which catalyst has been treated w...	09/26/2006
7109285	Phenolically blocked polyurethane prepolymers The present invention relates to novel polyurethane prepolymers (PU prepolymers) of low viscosity containing NCO groups blocked with compounds containing phenol groups and to their use for producing polyurethane polymers. The PU prepolymers are prepared by reacting ...	09/19/2006
7101823	Method for preparing metal cyanide catalyst complexes using partially miscible complexing agents Double metal cyanide catalysts (DMC) are complexed with complexing agents that are miscible in poly(propylene oxide) at higher temperatures and immiscible at lower temperatures. The complexing agent is a poly(ethylene oxide) polymer or a copolymer having a poly(ethy...	09/05/2006
7094811	Energy absorbing flexible foams produced in part with a double metal cyanide catalyzed polyol Energy absorbing flexible foams can be produced by reacting an isocyanate with a first polyol, prepared at least in part by an active double metal cyanide catalyst and a second polyether polyol is prepared at least in part by a basic or acidic catalyst. ...	08/22/2006
7091300	Polyurethane PSA for sensitive surfaces Polyurethane-based pressure-sensitive adhesive which attaches strongly to polar plastic surfaces, smooth metal surfaces and glass, but which has weak, if any, adhesion to paper, paperboard or skin and is easily detachable without damaging surfaces during its removal...	08/15/2006
7060750	Moisture-curable, polyether urethanes and their use in sealant, adhesive and coating compositions An adhesive, sealant or coating composition that includes: a) 20 to 80% by weight, based on the weight of a), b), and c) of a polyether urethane containing two or more reactive silane groups and one or more polyether segments,...	06/13/2006
7060647	Double metal complex catalyst Process comprising treating a double metal cyanide complex catalyst with sound waves and/or electromagnetic radiation, process for polymerising alkylene oxide in which such catalyst is used, and double metal cyanide complex catalyst which catalyst has been treated w...	06/13/2006
7053250	Method of preparing a polyether polyol An improved method for synthesizing a double metal cyanide (DMC) catalyst combines and sonicates aqueous and non-aqueous solutions of a first metal salt, such as Zn(OAc)2, of a second metal salt, such as CoCl2, and of an alkali metal cyanide, s...	05/30/2006
7038003	Polyether allophanates stable towards discolouration A process for preparing polyisocyanate prepolymers containing allophanate structural units that includes reacting a) one or more polyisocyanates with b) one or more polyetherpolyols containing less than or equal to...	05/02/2006
7034103	Process for production of polyols with hydroxide containing double metal cyanide (DMC) catalysts The present invention provides process for producing polyols using a crystalline, hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II), M1x[M2(CN)6]yOH.L (I)	04/25/2006
7022641	Method for preparing metal cyanide catalysts using insoluble metal salts Metal cyanide catalyst dispersions in initiator compounds and/or polyethers are prepared by reacting an acidic metal cyanide compound with an insoluble metal salt in a medium that is a solvent for the acidic metal cyanide compound but not the metal salt. The resulti...	04/04/2006
7015364	Process for preparing polyether polyols A process for preparing polyether polyols includes a precipitation step, a recrystallization step, and a reaction step. In the precipitation step, a multimetal cyanide compound is precipitated by reaction of a metal salt with a cyanometalate compound. In the recryst...	03/21/2006
7012164	Method for continuously producing a polyether A method for precisely producing a polyether having a relatively high molecular weight by means of a double metal cyanide complex catalyst is provided. A method for continuously producing a polyether, which comprises ring opening addition polymerization of an alkyle...	03/14/2006
7007406	Powder formation by atmospheric spray-freeze drying A method of manufacturing heat-sensitive pharmaceutical powder is disclosed. The original pharmaceutical substances are dissolved in a solution or suspended in a suspension, which is sprayed through an atomizing nozzle and frozen in a cold gas phase or liquid nitrog...	03/07/2006
7008900	Double metal cyanide catalysts for producing polyether polyols The invention provides new double metal cyanide (DMC) catalysts for preparing polyetherpolyols by the polyaddition of alkylene oxides to starter compounds which contain active hydrogen atoms, wherein the catalyst comprises a) double metal cyanide compounds, b) bile ...	03/07/2006
7005552	Single reactor synthesis of KOH-capped polyols based on DMC-synthesized intermediates The present invention relates to processes for preparing ethylene oxide (EO)-capped polyols in which removal of catalyst residues or salts formed by the neutralization of the basic catalyst is not required prior to discharging the polyol from the reactor because neu...	02/28/2006
7001634	Process for suppressing the foaming of an aqueous system The present invention relates to a process for suppressing the foaming of an aqueous system which involves combining water and at least one defoamer composition which has a hydroxyl equivalent molecular weight of at least 4000 Da and a cloud point less than or equal...	02/21/2006
6977289	Reactive systems that harden at room temperature The invention relates to new blocked polyurethane prepolymers, a process for their production and reactive systems produced therefrom that harden at room temperature, and their use. ...	12/20/2005
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
6953765	Double metal cyanide catalysts for preparing polyether polyols The invention is directed to a double-metal cyanide catalyst for the preparation of a polyether polyol by the polyaddition of an alkylene oxideon to a starter compound containing active hydrogen atoms, wherein the DMC catalyst comprises a) at least one double-metal ...	10/11/2005
6930210	Process to produce polyether polyols The invention relates to a process to produce high-purity, low-odour polyether polyols, with very low levels of catalytic residues, by means of alkene oxide polyaddition reactions to substances that contain active hydrogens in the presence double metal cyanides as c...	08/16/2005
6921737	Method of synthesizing a double metal cyanide catalyst An improved method for synthesizing a double metal cyanide (DMC) catalyst combines and sonicates aqueous and non-aqueous solutions of a first metal salt, such as Zn(OAc)2, of a second metal salt, such as CoCl2, and of an alkali metal cyanide, s...	07/26/2005
6919293	Double metal cyanide catalysts for producing polyether polyols This invention relates to novel double metal cyanide (DMC) catalysts for the production of polyether polyols by polyaddition of alkylene oxides onto starter compound comprising active hydrogen atoms, wherein the catalyst contains a) double metal cyanide compounds, b...	07/19/2005

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Class 502/175 - Cyanide