Class 205/551 - Nitrogen containing compound produced

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter wherein a compound containing nitrogen is
No. of patents: 34
Last issue date: 04/10/2012

Number	Title	Issue Date
8152988	Electrochemical process for the preparation of nitrogen fertilizers The present invention provides methods and apparatus for the preparation of nitrogen fertilizers including ammonium nitrate, urea, urea-ammonium nitrate, and/or ammonia, at low temperature and pressure, preferably at ambient temperature and pressure, utilizing a sou...	04/10/2012
7214644	Cross-coupling reactions A method for producing a copper/palladium colloid catalyst useful for Suzuki couplings. ...	05/08/2007
7144493	Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor Process for the electrochemical decomposition of precursors in powder form by introducing a powder batch between two electrodes of an electrolysis cell, electrodes being designed to be liquid-permeable, and the electrolyte flowing through the powder batch perpendicu...	12/05/2006
6916953	Integrated process for preparing isocyanates Process for preparing organic isocyanates, which comprises the steps (a) making available a first partial amount of chlorine, with the chlorine of this first partial amount having a content of free and bound bromine and iodine of	07/12/2005
6440293	Electrode and electrolyte for use in preparation of nitrogen trifluoride gas, and preparation method of nitrogen trifluoride gas by use of them An electrode for electrolyzing an electrolyte comprising an ammonium fluoride (NH4 F)-hydrogen fluoride (HF)-containing molten salt and having a composition ratio (HF/NH4 F) of 1 to 3 to prepare a nitrogen trifluoride (NF3...	08/27/2002
6296754	Method of reducing nitrous oxide gas and electrolytic cell A method of reducing nitrous oxide which comprises introducing nitrous oxide into a reaction chamber disposed in contact with an electrolytic chamber having an anode and a cathode comprising a hydrogen-absorbing material, the cathode serving as a diaphrag...	10/02/2001
6010612	Production of isocyanate using chlorine recycle A process and a system produces isocyanate and converts anhydrous hydrogen chloride, which is a by-product of isocyanate production, to chlorine gas in an electrochemical cell. The chlorine is recycled to the isocyanate process. Any unreacted anhydrous hy...	01/04/2000
5906722	Method of converting amine hydrohalide into free amine Describes a method of electrochemically converting amine hydrohalide, e.g., ethyleneamine hydrochloride, into free amine, e.g., free ethyleneamine. A three compartment electrolytic cell is provided having (1) a catholyte compartment containing a cathode a...	05/25/1999
5904829	Method of converting amine hydrohalide into free amine Describes a method of electreochemically converting amine hydrohalide, e.g., amine hydrochloride, into free amine, e.g., free ethyleneamine. An electrolytic cell is provided having (1) a catholyte compartment containing a cathode assembly comprising a cat...	05/18/1999
5900133	Method of converting amine hydrohalide into free amine Describes a method of electrochemically converting amine hydrohalide, e.g., ethyleneamine hydrochloride, into free amine, e.g., free ethyleneamine. A three compartment electrolytic cell is provided having (1) a catholyte compartment containing a cathode a...	05/04/1999
5882501	Method of converting amine hydrohalide into free amine Describes a method of electrochemically converting amine hydrohalide, e.g., ethyleneamine hydrochloride, into free amine, e.g., free ethyleneamine, by charging an aqueous solution of amine hydrohalide to the catholyte compartment of an electrolytic cell, ...	03/16/1999
5637206	Process for the electrochemical production of ammonium polysulfide The ammonium polysulfide is produced in at least one electrochemical cell, to which an aqueous ammonium sulfide solution is supplied as electrolyte. The cell comprises an anode, a gas diffusion cathode, and between the anode and the cathode an electrolyte...	06/10/1997
5575901	Process for preparing organic and inorganic hydroxides or alkoxides or ammonia or organic amines from the corresponding salts by electrolysis A process is described for preparing organic and inorganic hydroxides or alkoxides, or ammonia or organic amines from the corresponding salts in an electrolysis cell which comprises an anolyte compartment containing an anode and an electrolyte solution, a...	11/19/1996
5431877	Process for decreasing the corrosiveness of a sour water An aqueous solution which contains ammonium polysulfide is proportionally added to the sour water, which contains cyanide ions, ammonium ions, and sulfide ions. At least part of the cyanide ions contained in the sour water is converted to thiocyanate ions...	07/11/1995
5286354	Method for preparing organic and inorganic hydroxides and alkoxides by electrolysis An electrolytic process for making hydroxides or alkoxides from the corresponding halide salts in a divided cell where the desired compounds are formed in the catholyte while the accumulation of halogen in the anolyte is effectively prevented throught the...	02/15/1994
5258104	Direct electrochemical reduction of catholyte at a liquid metal cathode A process of operating an electrochemical cell with a particular catholyte flow pattern is disclosed wherein the cell is angled from the horizontal and the catholyte is fed into a gap in the cathode compartment between the liquid metal cathode and the mem...	11/02/1993
5089096	Preparation of quaternary ammonium hydroxides A process for the preparation of a quanternary ammonium hydroxide, which comprises electrolyzing a quaternary ammonium halide in a divided electrolysis cell wherein the anode material is selected from iron, nickel, zinc, molybdenum and manganese, and an e...	02/18/1992
4994156	Electrically conductive oil-in-water microemulsions based on perfluorinated compounds and used as a catholyte in electrochemical processes An electrochemical process, in which a gaseous matter is reduced at the cathode and in which microemulsions of the oil-in-water (o/w) type are utilized as catholytes, the microemulsions having ionic electric transfer and matter interphase transfer capacit...	02/19/1991
4968394	Method of reducing excess nitric acid in aqueous hydroxylamine nitrate solutions A process for reducing excess nitric acid in an aqueous hydroxylamine nitrate solution. The process is conducted by reacting the aqueous hydroxylamine nitrate solution with a basic neutralizing agent such as nitric oxide, hydroxylamine vapor or a mixture ...	11/06/1990
4849073	Direct electrochemical reduction of nitric acid to hydroxylamine nitrate A solution of hydroxylamine nitrate is electrolytically produced in an electrochemical cell having a cathode compartment, an anode compartment, and a separator between the cathode compartment and the anode compartment. The process comprises feeding a cath...	07/18/1989
4765873	Continuous process for the removal of hydrogen sulfide from a gaseous stream A process for removing hydrogen sulfide from a gaseous stream containing hydrogen sulfide by contacting said stream with an aqueous solution of ammonium hydroxide to produce ammonium sulfide; converting said ammonium sulfide to an ammonium polysulfide int...	08/23/1988
4649038	Cyanogen polymers and pyropolymers and fibers thereof A novel polycyanogen (MW at least 500) is made by electrochemical polymerization of cyanogen in solution. Fiber and pyrolyzed forms of this polymer and methods of making same are also described....	03/10/1987
4643806	Electrocatalytic energy conversion and chemicals production Oxidation reactions and unsaturation producing reactions are disclosed to be carried out in a solid-state electrocatalytic reactor for electrolytic energy conversion and chemicals production. Additional reactions are disclosed to be carried out in a solid...	02/17/1987
4578161	Process for preparing quaternary ammonium hydroxides by electrolysis A process for preparing quaternary ammonium hydroxides by electrolysis in an electrolytic cell comprising two compartments, namely an anode and a cathode compartment, separated by an anion exchange permselective membrane, starting from quaternary ammonium...	03/25/1986
4555316	Synthesis of poly(sulphur nitride) Crystalline poly(sulphur nitride) is deposited electrochemically at a bright platinum sheet cathode by electrolyzing solution of S5 N5 Cl in liquid SO2....	11/26/1985
4547273	Mobile atom insertion reaction, mobile atom transmissive membrane for carrying out the reaction, and reactor incorporating the mobile atom transmissive membrane Disclosed is a method of carrying out a mobile atom insertion reaction, such as a hydrogen insertion reaction, for the synthesis of reduced, hydrogenated compounds. Such reactions include the production of ammonia and hydrazine from nitrogen, formic acid ...	10/15/1985
4519880	Processes for the recovery of cyanide from aqueous thiocyanate solutions and detoxication of aqueous thiocyanate solutions A process for the recovery of cyanide from thiocyanate. An aqueous solution containing thiocyanate is introduced into an electrochemical reactor. The reactor is activated for an appropriate time period while the pH of the solution is maintained in the ran...	05/28/1985
4427503	Method for reducing the acid content of a nitric acid solution by using electrolysis current Process for reducing the acid content of a nitric acid solution by using an electrolysis current which is capable of reducing HNO3 at the cathode. The nitric acid solution is divided into a first volume portion and a second volume portion. The ...	01/24/1984
4350576	Method of producing a graphite intercalation compound A method of producing a graphite intercalation compound by intercalating a substance into graphite between layers thereof, characterized in that graphite particles are subjected to electrolysis in an electrolytic solution containing a substance capable of...	09/21/1982
4319968	Electrolytically decomposing method for iron-cyanide complex An electrolytically decomposing method of an iron-cyanide complex which includes the steps of introducing an electrolyte containing the iron-cyanide complex into an electrolytic cell, applying a voltage between the electrodes to electrolytically decompose...	03/16/1982
4240882	Gas fixation solar cell using gas diffusion semiconductor electrode A gas diffusion semiconductor electrode and solar cell and a process for gaseous fixation, such as nitrogen photoreduction, CO2 photoreduction and fuel gas photo-oxidation. The gas diffusion photosensitive electrode has a central electrolyte-po...	12/23/1980
4167461	Photoenhanced reduction process A system for the photoenhanced reduction of nitrogen. A p-type semiconductor cathode with a band gap between about 0.8 and 3.0 eV is irradiated with light falling within such energy range. The cathode is in contact with an electrolyte and capable of injec...	09/11/1979
4032415	Method for promoting reduction oxidation of electrolytically produced gas Gaseous products which tend to form at the anode or cathode of an electrolytic or electrochemical system in which the electrolyte is an aqueous medium may be converted into a reduction-oxidation reaction product through the action of a Contacogen. In such...	06/28/1977
4024033	Process for preparing cyanogen halides Cyanogen halides, particularly cyanogen bromide and cyanogen chloride, are prepared in an electrolysis cell with cathode and anode chambers separated by a semi-permeable diaphragm, by reacting halide ions with hydrogen cyanide or a salt thereof in the ano...	05/17/1977

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Class 205/551 - Nitrogen containing compound produced