Patent ID: 9441060
Filing Date: 2016-09-13
CPC Classification: C08F,C08L,C10M,C10N

Claim Text:
1. An ethylene copolymer comprising 70 wt. % to 85 wt. % of units derived from ethylene and at least 12 wt. % of units derived from at least one α-olefin having 3 to 20 carbon atoms, wherein the copolymer has the following properties: (a) a weight-average molecular weight (Mw), as measured by GPC, in the range of about 50,000 to about 200,000 g/mol; (b) a melting point (Tm), as measured by DSC, of east 100° C.; (c) a ratio of Mw/Mn of about 1.5 to about 3.5; (d) a content of Group 4 metals of no more than 25 ppm; and (e) a ratio of wt ppm Group 4 metals/wt ppm Group 5 metals of at least 3.