Back to results
US 6,362,286 B1Granted
Molecular weight reduction of olefin copolymers using low-sulfur oils
AssigneeExxon Chemical Patents Inc.
InventorsJames Macfarlane Gardiner, Keith James Fenner, Ralph Joseph Spohn, Gary W. Ver Strate
Life of this patent
Estimating the term…
Abstract
A method for reducing the molecular weight of olefin copolymers comprises contacting an olefin copolymer and a base oil containing less than about 0.05 wt. % sulfur in the presence of oxygen and at a temperature of at least about 60° C.
Claims6
A method for reducing the molecular weight of olefin copolymers comprising contacting said olefin copolymer and a base oil containing less than about 0.05 wt. % sulfur in the presence of oxygen and at a temperature of at least about 60° C.
Dependencies are inferred from the claim text.