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| Application No. | Application Title | Issue Date |
| 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 monoa... | 03/22/2012 |
| 20120029225 | DMAPN Having a Low DGN Content and a Process for Preparing DMAPA from DMAPN Having a Low DGN Content The present invention relates to a process for preparing 3-dimethylaminopropylamine (DMAPA) by reacting 3-dimethylaminopropionitrile (DMAPN) with hydrogen in the presence of a catalyst, wherein the DMAPN used has a content of 2-(dimethylaminomethyl)glutaronitrile (DGN) ... | 02/02/2012 |
| 20110313188 | METHOD FOR IMPROVING THE CATALYTIC ACTIVITY OF MONOLITHIC CATALYSTS The present invention relates to a catalyst comprising one or more elements selected from the group consisting of cobalt, nickel and copper, said catalyst being present in the form of a structured monolith, wherein said catalyst comprises one or more elements selected f... | 12/22/2011 |
| 20110313187 | METHOD FOR IMPROVING THE CATALYTIC ACTIVITY OF MONOLITHIC CATALYSTS The present invention relates to a process for improving the catalytic properties of a catalyst comprising one or more elements selected from the group consisting of cobalt, nickel and copper, said catalyst being present in the form of a structured monolith, by contacti... | 12/22/2011 |
| 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 |
| 20100297104 | DENDRITIC MACROMOLECULE AND A PROCESS THEREOF The present invention is in relation to a dendritic molecule having symmetrically sited branches having four or more generations of dendrimers wherein the branch points are tertiary amines linked together with oxygen atom of ether and the heteroatoms are separated by a ... | 11/25/2010 |
| 20100137592 | PROCESS FOR PREPARING PURINE DERIVATIVE A process for the preparation of famciclovir a compound of Formula (I) and its intermediates. ... | 06/03/2010 |
| 20100121064 | NOVEL METHOD FOR PRODUCING TETA BY MEANS OF EDDN The invention relates to a process for preparing triethylenetetramine (TETA), which, comprises the following steps:
| 05/13/2010 |
| 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 |
| 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
| |
| 20100099872 | PRODUCTION METHOD FOR ETHYLENEAMINE MIXTURES The invention relates to a process for preparing an ethylene amine mixture, which comprises hydrogenating an amino nitrile mixture comprising at least two α-amino nitriles in an amount of at least 5% by weight in each case in the presence of a catalyst and, if appropri... | 04/22/2010 |
| 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 an... | 04/15/2010 |
| 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 c... | 03/04/2010 |
| 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 |
| 20090069590 | PROCESS FOR PREPARING AMINOALKYLNITRILES AND DIAMINES FROM SUCH NITRILES The present invention relates to a process for preparing an aminoalkyl nitrile by reaction of a corresponding monoamine with a corresponding alkenyl nitrile in a continuous mode of operation, which comprises the steps
| |
| 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
| |
| 20080275145 | Catalysts A catalyst including cobalt, zinc oxide and aluminium is described, having a total cobalt content of 15-75% by weight (on reduced catalyst), an aluminium content ≧10% by weight (based on ZnO) and which when reduced at 425° C., has a cobalt surface area as measured by... | 11/06/2008 |
| 20080039658 | PRODUCTION METHOD OF PRIMARY AMINES AND CATALYSTS FOR PRODUCING PRIMARY AMINES A method of producing a primary amine by the hydrogenation of a nitrile in the presence of a hydrogenation catalyst. The hydrogenation catalyst contains at least one metal selected from the group consisting of nickel, cobalt and iron. Before use in the hydrogenation of ... | 02/14/2008 |
| 20060252965 | Higher alcohols for solvents in amine production A nitrile-containing mixture, which includes a nitrile dissolved in a higher alcohol solvent, and hydrogen are fed to a reactor containing a catalyst. An amine is produced by hydrogenating the nitrile that is dissolved in the higher alcohol solvent. In a preferred embod... | 11/09/2006 |
| 20050159624 | Method for the production of primary amines by hydrogenating nitriles The present invention relates to an improvement in a process for preparing primary amines by hydrogenating nitrites. The improvement in the hydrogenation process is that a hydrogenation catalyst modified ex situ with preadsorbed alkali metal carbonate or hydrogencarbona... | 07/21/2005 |
| 20050124833 | In an amine or nitrile embedded passivated hydrogenation catalyst The invention relates to a passivated hydrogenation catalyst that is embedded in a primary amine, a derivative thereof, and/or a nitrile, the process to make such catalysts, as well as the use of such catalysts in a hydrogenation process in which an amine or a derivativ... | 06/09/2005 |
