Patent ID: 8034735

Claim:
A catalyst component for the polymerization of olefins, comprising: titanium, magnesium, a halogen, and an alpha-omega-diether selected from the group consisting of 1,5-dimethoxypentane, 1,5-diethoxypentane, 1,5-dipropoxypentane, 1,5-dicyclopentoxypentane, 1,5-diphenoxypentane, 1,6-dimethoxyhexane, 1,6-diethoxyhexane, 1,6-dipropoxyhexane, 1,6-dicyclopentoxyhexane, 1,6-diphenoxyhexane, 1,7-dimethoxyheptane, 1,7-diethoxyheptane, 1,8-dimethoxyoctane, 1,8-diethoxyoctane, 1,9-dimethoxynonane, 1,9-diethoxynonane, 1,10-dimethoxydecane, and 1,10-diethoxydecane.