Patent ID: 8383860

Claim:
A process for the manufacture of one or more ethyleneamines by a transamination reaction, comprising: providing a first mixture comprising ethylenediamine and at least one additional ethyleneamine chosen from diethylenetriamine, triethylenetetramine, tetraethylenepentamine, piperazine, aminoethylethanolamine, aminoethylpiperazine, piperazinoethylethylenediamine, and heavy polyamine; and reacting the first mixture in the presence of a transamination catalyst to provide a second mixture comprising ethyleneamines, wherein at least two ethyleneamines are each present in a first amount in the first mixture, wherein the at least two ethyleneamines are each present in a second amount in the second mixture, and wherein the first amount is different than the second amount for each corresponding ethyleneamine of the at least two ethyleneamines.