Patent ID: 9416205
Filing Date: 2016-08-16
CPC Classification: B01J,C07F,C08F

Claim Text:
1. A process for providing a polymer, said process comprising contacting ethylenically unsaturated compounds that comprise at least one conjugated diene and at least one α-olefin with a catalyst composition that comprises a complex of the general formula where M represents a Group 3 metal atom; L represents a neutral Lewis base; z is an integer of from 0 to 3 inclusive; y is 1 or 2; R R R the para position with a nitro group, a trifluoromethyl group, a halogen atom, an alkoxy group, a C one or both ortho positions with a C R thereby providing said polymer, said process optionally further comprising reacting said polymer with a functionalizing agent so as to provide terminal functionality to said polymer.