The invention relates to polyazacycloalkanes having 3, 4 or 5 nitrogen atoms, tri-, tetra- or penta-azamacrocyclic transition metal complexes and processes for the production of said polyazacycloalkanes....http://www.google.com.au/patents/US6410143?utm_source=gb-gplus-sharePatent US6410143 - POLYAZACYCLOALKANES, TRI-, TETRA- OR PENTA-AZAMACROCYCLIC COMPLEXES, PROCESSES FOR THE PRODUCTION OF THESE SUBSTITUTED OR UNSUBSTITUTED POLYAZACYCLOALKANES GRAFTED TO A SUPPORT AND USES OF POLYAZACYCLOALKANES AND THE AFOREMENTIONED COMPLEXES
