Class 205/436 - Oxygen containing

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter wherein the nitrogen containing compound
No. of patents: 29
Last issue date: 07/12/2005

Number	Title	Issue Date
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
6294069	Method for preparing 2-aryl or 2-heterocyclyl chiral propionic acids and their esters A process for the preparation of chiral 2-aryl or 2-heterocyclyl-propionic acids of the formula ##STR1## wherein the substituents are as defined in the specification....	09/25/2001
6214196	Method of producing bisphosphine oxide A method of producing a bisphosphine oxide by performing a koble electrolysis coupling reaction to a phosphine oxide carboxylic acid represented by the general formula (1): ##STR1## wherein the bisphosphine oxide is represented by the following general ...	04/10/2001
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
5700364	Electrochemical oxidation A process for synthesizing the compounds ##STR1## wherein X is halo, consists of, at a minimum, electrochemical oxidation of the allyl acetonide reactant with halide salt in an aqueous system, the desired compounds being useful as intermediates for t...	12/23/1997
5578190	Process for the preparation of glyphosate and glyphosate derivatives A process for preparing glyphosate and other secondary amines of related structure in which a precursor primary amine such as aminomethylphosphonic acid is condensed with glyoxylic acid, or a related aldehyde compound, and the condensation product reduced...	11/26/1996
5558754	Method for preparing 3-alkyl-2,6-dichloroacylanilides by electrolytic debromination of 3-alkyl-4-bromo-2,6-dichloroacylanilides A method for preparing 3-alkyl-2,6-dichloroacylanilides by electrolytic debromination of 3-alkyl-4-bromo-2,6-dichloroacylanilides. A method for preparing a 3-alkyl-2,6-dichloroacylanilide of the formula I ##STR1## in which R1, R2 are...	09/24/1996
5518588	Method for preparing 3-aminopyridines from 3-nitropyridines The present invention relates to a method for preparing 3-aminopyridines from 3-nitropyridines, in which the nitropyridines are reduced electrochemically in acidic solution....	05/21/1996
5266173	Process for preparing aromatic amine compounds and reducing agent therefor An improved process for reducing aromatic nitro compounds to form the corresponding aromatic amine compounds, and intermediates therefore, and a reducing agent therefor, are disclosed. According to the process, a titanium(IV)oxy salt such as titanium(IV) ...	11/30/1993
5213665	Process for producing 1-aminoanthraquinones A process for producing 1-aminoanthraquinones represented by formula (C) ##STR1## wherein R1 and R2, independently from each other, denote one type selected from a hydrogen atom, an alkyl group having 1 to 4 carbon atoms and a h...	05/25/1993
5106463	High yield methods for electrochemical preparation of cysteine and analogues Amino acid free bases are prepared electrochemically without production of intermediate acid salts. Amino acids having reducible disulfide linkages and at least one basic nitrogen group are reduced at a high surface area, noncontaminating cathode to provi...	04/21/1992
5021132	Electrochemical process for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and the salts thereof A process is disclosed for electrochemically treating p-nitrotoluene-2-sulfonic acid salts under oxidizing conditions to form 4,4'-dinitrostilbene-2,2'-disulfonic acid or the salts thereof. The process provides satisfactory yields of the stilbene compound...	06/04/1991
4988416	Process for the electrosynthesis of aldehydes The process for the electrosynthesis of an aldehyde, according to the invention, is carried out by electrolysis, in a cell comprising only a single compartment, of an organic halide and of an N,N-disubstituted formamide such as dimethylformamide, followed...	01/29/1991
4954227	Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each AR is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a...	09/04/1990
4775451	Preparation of water-soluble food-grade triphenylmethane colors A process for the preparation of a water soluble food-grade diaminotriphenylmethane colorant containing from 2 to 4 sulfo groups, comprising anodically oxidizing the corresponding leuco compound in an electrolysis cell divided into an anode space and a ca...	10/04/1988
4584069	Electrode for catalytic electrohydrogenation of organic compounds There is provided an electrode adapted for the selective electrocatalytic hydrogenation of nitro groups to amino groups comprising a thin grid coated with a thin layer of nickel, the latter being itself coated with a further layer of nickel in which are d...	04/22/1986
4563254	Means and method for the electrochemical carbonylation of nitrobenzene or 2-5 dinitrotoluene with carbon dioxide to provide a product Apparatus for the carbonylation of nitrobenzene or 2-5 dinitrotoluene with carbon dioxide to provide a product includes a housing which contains an electrolyte solution having a non-aqueous electrolyte containing a supporting electrolyte. A membrane divid...	01/07/1986
4560447	Electrolytic process for preparation of ଱-alkylated acetic acid derivatives This invention provides a process for preparing an ଱-alkylated acetic acid derivative represented by the formula ##STR1## wherein Z is --COOR or --CN in which R is straight-chain or branched-chain alkyl, cycloalkyl, substituted or unsubstituted...	12/24/1985
4539080	Electro organic method and apparatus for carrying out same Discloses electro-organic synthesis utilizing a solid electrolyte, including cathodic reduction of organic compounds, i.e., co-production of chlorine and aniline....	09/03/1985
4495036	Electrochemical chlorination process Electrolytically prepare para-chloroalkyl aromatic compounds, such as para-chlorotoluene, using a potential of less than 1.5 volts, as measured against a Ag/Ag+ reference electrode, and an anode which is free of cyclodextrin....	01/22/1985
4482438	Method of performing a chemical reaction A streamline flow of aqueous cobalt (II) sulphate solution passes through a platinum tube which, as an anode, electrolyses the solution to cobalt (III). The flow, with a high surface concentration of nascent cobalt (III), falls into a volume of 1-methylna...	11/13/1984
4430262	Preparation of isocyanates and/or derivatives thereof Isocyanates and derivatives thereof are prepared by oxidative conversion of compounds having at least one group ##STR1## wherein X represents OY or ##STR2## wherein Y is H, a metal ion or group NR3 R4 R5 R6	02/07/1984
4304642	Electrochemical additions to alkenes Organic compounds having vicinal functional groups, such as amidothioethers and esterthioethers, are prepared by electrochemically oxidizing an organic disulphide, an organic diselenide, a hexasubstituted organic disilane or a tetrasubstituted organic hyd...	12/08/1981
4230551	Electrosynthesis process for making amine/aldehyde porous structures and powders The invention is a process for making porous amine/aldehyde structures or powders comprising solid approximately-spherical cross-linked particles of less than 10 microns, said process comprising electrolyzing aqueous solutions of urea-formaldehyde prepoly...	10/28/1980
4206020	Electrochemical process using a fluidized electrode An extended surface area electrode for an electrochemical cell is provided by causing a bed of conducting particles to be expanded in the form of a fluidized bed by controlled upward flow of electrolyte through an electrode chamber containing current-carr...	06/03/1980
4133726	Electrolytic flow-cell apparatus and process for effecting sequential electrochemical reaction This invention relates to an electrolytic flow-cell apparatus and a process for effecting sequential electrochemical reactions of redoxidative compounds at a porous working electrode. The porous working electrode has a first face and a second and opposite...	01/09/1979
4120763	Hydrogen transfer by metal hydride between aqueous medium and organic compound A process for the transfer of hydrogen to or from an organic compound comprises introducing the organic compound into an electrolysis cell containing an aqueous electrolyte and at least one working electrode consisting of a metal hydride and a counterelec...	10/17/1978
4104140	Process for the electrochemical synthesis of organic metal compounds Process for reacting an H-acidic organic compound, in which the acidic H-atom is bonded to the organic radical by an oxygen or a sulphur atom, e.g. an alcohol, with a metal having a standard potential which is more positive than -1.66 volts and which at m...	08/01/1978
4071429	Electrolytic flow-cell apparatus and process for effecting sequential electrochemical reaction This invention relates to an electrolytic flow-cell apparatus and a process for effecting sequential electrochemical reactions of redoxidative compounds at a porous working electrode. The porous working electrode has a first face and a second and opposite...	01/31/1978

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Class 205/436 - Oxygen containing