Chromium phosphinyl isoindole amidine complexes for tetramerization of ethylene Grant US-11583843-B1 United States of America 21 Feb 2023
Chromium bicyclic phosphinyl amidine complexes for tetramerization of ethylene Grant US-11505513-B1 United States of America 22 Nov 2022
Chromium phosphinyl hydroisoindole amidine complexes for tetramerization of ethylene Grant US-11492305-B1 United States of America 08 Nov 2022