Imino-amide catalyst compositions for the polymerization of olefins

A method of polymerizing olefins comprising combining under polymerization conditions a catalyst precursor composition with one or more olefins selected from ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-octene, and 1-decene;

• the catalyst precursor composition represented by one or more:
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• wherein T is a bridging group containing 2 or more bridging atoms;
• M is a metallic element selected from Groups 3 to 13, of the Periodic Table of the Elements;
• Z is a coordination ligand;
• each L is a monovalent, bivalent, or trivalent anionic ligand;
• n is an integer from 1 to 6;
• m is an integer from 1 to 3;
• X and Y are each independently selected from nitrogen, oxygen, sulfur, and phosphorus;
• R is a non-bulky substituent;
• and
• R′ is a bulky substituent that is sterically hindering with respect to Y.