| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 564489000 | Forming amine group directly by reduction | 34 |
| 20090082599 | ACCELERATED AMIDE AND ESTER REDUCTIONS WITH AMINE BORANES AND ADDITIVES - In a process for the accelerated reduction of organic substrates, selected from the group consisting of esters, amides, nitriles, acids, ketones, imines or mixtures thereof, they are reacted with an amine borane, sulfide borane or ether borane complex as a borane source in the presence of organic accelerator compounds containing either Lewis acidic or Lewis basic sites in their structure, of which the Lewis acidic site can coordinate with the carbonyl or nitrile or imine group of the substrate or the Lewis basic site can coordinate with the borane. | 03-26-2009 |
| 20100029990 | PROCESS FOR THE PRODUCTION OF COMPOUNDS VIA HAZARDOUS INTERMEDIATES IN A SERIES OF MICROREACTORS - Multi-step process for the preparation of compounds via hazardous intermediates comprising the steps of a) preparing in a microreactor a hazardous intermediate and b) optionally performing one or more reaction steps on the hazardous intermediate in one or more additional microreactors and c) further converting the hazardous intermediate with a suitable reaction agent in a subsequent microreactor until a stable end product is formed. | 02-04-2010 |
| 20120071693 | PROCESS FOR THE PRODUCTION OF ETHYLENE GLYCOL AND RELATED COMPOUNDS - The present invention provide a process for the production of compounds of general formula (I), Y—CH | 03-22-2012 |
| 20140323764 | METHOD FOR PRODUCING TERTIARY AMINE - The present invention discloses the method for producing a tertiary amine, using the column reactor packed with catalyst layers, containing supplying a liquid and a gaseous raw materials from the bottom of the column, reacting these raw materials in the column, and discharging the product from the top of the column, wherein the column reactor includes two or more honeycomb catalyst layers as the catalyst layers, one or more spaces between each honeycomb catalyst layer, and one or more rectifying sections that prevents a partial or whole back flow of the raw materials, arranged in each space without contacting with the honeycomb catalyst layer. | 10-30-2014 |
| 564490000 | Of cyano | 25 |
| 20080293973 | Process for the Synthesis of Dmapa - The present invention relates to a process for the industrial preparation of a diamine starting from a corresponding alkenyl nitrile comprising at least one C-C double bond, which comprises the steps
| 11-27-2008 |
| 20100029991 | METHOD FOR PRODUCING TRIETHYLENETETRAMINE - The invention relates to a process for preparing triethylenetetramine (TETA), which comprises hydrogenating ethylenediaminediacetonitrile (EDDN) in the presence of a catalyst and a solvent. | 02-04-2010 |
| 20100056828 | METHOD FOR PRODUCING ETHYLENEAMINES - The invention relates to a process for preparing an ethylene amine mixture, which comprises hydrogenating an amino nitrile mixture comprising at least 30% by weight of aminoacetonitrile (AAN) and at least 5% by weight of iminodiacetonitrile (IDAN) in the presence of a catalyst. Ethylenediamine (EDA) and/or diethylenetriamine (DETA) and, if appropriate, further ethylene amines can be isolated from the ethylene amine mixtures obtained. | 03-04-2010 |
| 20100094057 | METHOD FOR PRODUCING ETHYLENEDIAMINE - The invention relates to a process for preparing ethylenediamine by hydrogenation of aminoacetonitrile over a catalyst, wherein the hydrogenation is carried out in a solution comprising aminoacetonitrile, water in a proportion of from 0 to 60% by weight and a solvent and the aminoacetonitrile comprised in the solution is fed into the reaction vessel at a rate which is not greater than the rate at which the aminoacetonitrile reacts with hydrogen in the hydrogenation. | 04-15-2010 |
| 20100105952 | PROCESS FOR THE SYNTHESIS OF DMAPA - The present invention relates to a process for the industrial preparation of a diamine starting from a corresponding alkenyl nitrile comprising at least one C—C double bond, which comprises the steps
| 04-29-2010 |
| 20100121109 | METHOD FOR PRODUCING ETHYLENEAMINES FROM UNTREATED AAN - The invention relates to a process for preparing an ethylene amine mixture, which comprises the following steps:
| 05-13-2010 |
| 20110218362 | Fixed Bed Hydrogenation Of Fatty Nitriles To Fatty Amines - A process for the fixed bed hydrogenation of unsaturated fatty nitriles to fatty amines with a fixed bed Raney-type Ni/Al, Co/Al or Ni/Co/Al catalyst in the liquid phase, the trickle phase or any type of fatty nitrile aerosol. | 09-08-2011 |
| 20120071694 | PROCESS FOR PREPARING AMINOALKYLNITRILES AND DIAMINES FROM SUCH NITRILES - A process for preparing a diamine from a corresponding aminoalkyl nitrile, which is prepared by reaction of a corresponding monoamine with a corresponding alkenyl nitrile in a continuous mode of operation, comprising the steps: a) introduction of the corresponding monoamine into a continuously conveyed reaction stream; b) introduction of the corresponding alkenyl nitrile into the reaction stream, with this already comprising the aminoalkyl nitrile on addition; c) reaction of the reaction stream in a first reaction region; d) at least partial transfer of the reaction stream into at least one second reaction region for further reaction; e) discharge of the reaction stream from the second reaction region after the reaction; f) introduction of the reaction stream discharged in step (a) into a reduction region; and g) reduction of the aminoalkyl nitrile present in the reaction stream to the corresponding diamine. | 03-22-2012 |
| 20140012045 | PREPARATION OF DIAMINE VIA THE PREPARATION OF AMINONITRILE - A continuous method (P) for preparing diamine is described. The method includes reacting the corresponding alkene nitrile with the corresponding monoamine in order to form the corresponding aminonitrile. The monoamine can be introduced in molecular excess with respect to the alkene nitrile, wherein the unreacted monoamine is recirculated to the reaction; followed by reducing the aminonitrile produced by hydrogen in the presence of at least one alkali-metal hydroxide, water, and a hydrogenation catalyst; and purifying the diamine. | 01-09-2014 |
| 20150329479 | Process for the production of aminopropylmethylethanolamine - A new process for the production of APMMEA (aminopropylmethylethanolamine) is proposed. This process comprises at least 2 steps in which MEAPN (monomethylethanolaminopropionitrile) is first produced from MMEA (monomethylethanol amine) and ACN (acrylonitrile) and then said MEAPN is hydrogenated to obtain the corresponding amine, the APMMEA compound. APMMEA may be then eventually purified by several known process, notably by distillation. | 11-19-2015 |
| 20160009633 | PROCESS FOR PREPARING EDA USING SO2-FREE HYDROCYANIC ACID | 01-14-2016 |
| 564491000 | Of plural cyanos | 12 |
| 20090069603 | PROCESS FOR HYDROGENATING NITRILES TO PRIMARY AMINES OR AMINONITRILES AND CATALYSTS SUITABLE THEREFOR - The invention relates to a process for hydrogenating oligonitriles which have at least two nitrile groups in the presence of a catalyst which, before commencement of the hydrogenation, is pretreated by contacting with a compound A which is selected from alkali metal carbonates, alkaline earth metal carbonates, ammonium carbonate, alkali metal hydrogencarbonates, alkaline earth metal hydrogencarbonates, ammonium hydrogencarbonate, alkaline earth metal oxocarbonates, alkali metal carboxylates, alkaline earth metal carboxylates, ammonium carboxylates, alkali metal dihydrogenphosphates, alkaline earth metal dihydrogenphosphates, alkali metal hydrogenphosphates, alkaline earth metal hydrogenphosphates, alkali metal phosphates, alkaline earth metal phosphates and ammonium phosphate, alkali metal acetates, alkaline earth metal acetates, ammonium acetate, alkali metal formiates, alkaline earth metal formiates, ammonium formiate, alkali metal oxalates, alkaline earth metal oxalates and ammonium oxalate. | 03-12-2009 |
| 20100145102 | PROCESS FOR THE PREPARATION OF AMINOALKYLAMINES - A process for the preparation of polyfunctional amines of the formulae | 06-10-2010 |
| 20100160688 | LINEAR AMINE FUNCTIONALIZED POLY(TRIMETHYLENE ETHER) COMPOSITIONS - The present invention relates to linear amine-functionalized poly(trimethylene ether) compositions, and processes to produce these compositions. | 06-24-2010 |
| 20100210878 | Release and Recovery from Aliphatic Primary Amines or Di-Amines - There is disclosed a process for hydrogen release and chemical storage by dehydrogenating low molecular weight aliphatic amines and di-amines to produce their corresponding nitriles in a reactor system containing a hydrogen fractionation membrane (or sweep gas) to quickly remove any and all hydrogen generated during the dehydrogenation reaction. This disclosure further provides a process for hydrogen recovery using bi- and tri-functional amines that produce corresponding nitriles and high density hydrogen release. | 08-19-2010 |
| 20110190541 | METHOD FOR THE SYNTHESIS OF HIGH PURITY PRIMARY DIAMINES AND/OR TRIAMINES - The present invention relates to a process for the preparation of primary di- and/or triamines of high purity from nitriles which can themselves originate from dimer and/or trimer acids. | 08-04-2011 |
| 20140336416 | METHOD FOR SYNTHESISING BIS[3-(N,N-DIALKYLAMINO)PROPYL]ETHERS - The invention relates to an improved method for synthesizing bis[3-(N,N-dialkylamino)propyl]ethers from acrylonitrile, comprising the following reactions:
| 11-13-2014 |
| 564492000 | Preparing hexamethylene diamine | 6 |
| 20080306305 | Process for Hydrogenating Nitriles to Primary Amines or Aminonitriles and Catalysts Suitable Therefor - A process for hydrogenating oligonitriles which have at least two nitrile groups in the presence of a catalyst which, before commencement of the hydrogenation, is pretreated by contacting with a compound A which is selected from alkali metal carbonates, alkaline earth metal carbonates, ammonium carbonate, alkali metal hydrogencarbonates, alkaline earth metal hydrogencarbonates, ammonium hydrogencarbonate, alkaline earth metal oxocarbonates, alkali metal carboxylates, alkaline earth metal carboxylates, ammonium carboxylates, alkali metal dihydrogen phosphates, alkaline earth metal dihydrogen phosphates, alkali metal hydrogen phosphates, alkaline earth metal hydrogen phosphates, alkali metal phosphates, alkaline earth metal phosphates and ammonium phosphate, alkali metal acetates, alkaline earth metal acetates, ammonium acetate, alkali metal formates, alkaline earth metal formates, ammonium formate, alkali metal oxalates, alkaline earth metal oxalates and ammonium oxalate. | 12-11-2008 |
| 20100036169 | Preparation of Primary Diamines - Primary diamines are prepared by hydrogenation of a dinitrile compound in the presence of a catalyst, in particular hexamethylenediamine is prepared by hydrogenation of adiponitrile; the product diamines are recovered by distillation in several distillation columns mounted in series and the heavy impurities are separated from the second distillation. | 02-11-2010 |
| 20100094058 | METHOD FOR PRODUCTION OF TRIMETHYLHEXAMETHYLENEDIAMINE - Process for preparing trimethylhexamethylenediamine | 04-15-2010 |
| 20100130789 | PRODUCTION OF AMINES BY HYDROGENATION OF NITRILE COMPOUNDS - A method for producing amines by the hydrogenation of nitrile compounds in the presence of a catalyst, notably a method for producing diamines by the continuous hydrogenation of dinitrile compounds in the presence of a Raney-metal catalyst, includes controlling the molar flow of nitrile compounds and the mass flow of catalyst in a hydrogenation piston reactor in order to minimize the occurrence of impurities and deterioration of the catalyst. | 05-27-2010 |
| 20110230681 | METHOD FOR PRODUCING AMINES - Amine compounds, more particularly diamine compounds, are prepared by hydrogenating compounds including nitrile functions. The preparation can include the use of a hydrogenation catalyst, adapted for the hydrogenation of nitrile compounds into amine compounds, including Raney nickel as well as iron, chromium, and zinc as doping elements. | 09-22-2011 |
| 20140024859 | PROCESS FOR THE PRODUCTION OF HEXAMETHLENEDIAMINE - It is described a process for the production of hexamethylenediamine by hydrogenation of adiponitrile, comprising an improved step of regeneration of the catalyst. Also described are an equipment for the production of hexamethylenediamine, and a washing apparatus ( | 01-23-2014 |
| 564493000 | Preparing a primary monoamine | 2 |
| 20100280274 | CATALYST ADDITIVES - A nickel slurry comprising a nickel catalyst, water and at least one rheology modifier, the activity of the nickel catalyst being equal to or greater than the activity of the equivalent nickel catalyst contained in a slurry which does not comprise rheology modifiers, wherein the at least one rheology modifier provides high viscosity at low shear stress and low viscosity at high shear stress. | 11-04-2010 |
| 20110166388 | PROCESS FOR PREPARING 2,2-DIFLUOROETHYLAMINE AND SALTS THEREOF PROCEEDING FROM DIFLUOROACETONITRILE - The present invention relates to a process for preparing 2,2-difluoroethylamine of the formula (I) and salts thereof, for example sulphates, hydrochlorides or acetates, which proceeds from difluoroacetonitrile. | 07-07-2011 |
| 564494000 | Of nitro or nitroso | 5 |
| 20090264679 | Control of metal catalyst settling rates, settling densities and improved performance via use of flocculants - A process for the adjustment of a catalyst's or a catalyst precursor's suspension and settling properties, whereby the catalyst is treated with flocculants. | 10-22-2009 |
| 20110082318 | Process for Preparing 2,2-difluoroethylamine by Hydrogenating 1,1-difluoro-2-nitroethane - Process for preparing 2,2-difluoroethylamine, characterized in that 1,1-difluoro-2-nitroethane is subjected to a catalytic hydrogenation. | 04-07-2011 |
| 20110224460 | PROCESS FOR MAKING AMINOALCOHOL COMPOUNDS - Provided is a process for making an aminoalcohol compound. The process comprises using an excess amount of aliphatic aldehyde in a condensation step between the aldehyde and a nitroalkane, and using an aldehyde scavenger in a reductive hydrogenation step. The process yields aminoalcohol compounds exhibiting reduced color and odor. | 09-15-2011 |
| 20130131386 | BRANCHED SECONDARY ALCOHOL ALKOXYLATE SURFACTANTS FOR TEXTILE PROCESSING - Provided is a composition that is useful for textile processing, including for softening and providing smoothness to textiles The composition comprises an alkoxylate of the formula (I): wherein AO, EO, m, n, R. R | 05-23-2013 |
| 564495000 | The nitro or nitroso is in a compound which contains hydroxy, bonded directly to carbon, or ether | 1 |
| 20160194271 | PROCESS FOR PREPARING ALKYL PYROGLUTAMIC ACIDS | 07-07-2016 |
