US Patent Number

6143940

Publication Date

11-7-2000

Abstract

The invention includes a process of making a wax composition including: a process for making a heavy wax composition including the steps of (1) contacting a waste plastics feed containing primarily polyethylene in a pyrolysis zone at sub-atmospheric pressure, whereby at least a portion of the waste plastics feed is cracked, thereby forming a pyrolysis zone effluent including 1-olefins and n-paraffins; and (2) passing the pyrolysis zone effluent to a hydrotreating zone, for contacting with a hydrotreating catalyst at catalytic conditions.

Assignees

Chevron U.S.A. Inc., San Francisco, Calif., University of Kentucky Research Foundation, Lexington, Ky.

Application Number

09/223,227

Filing Date

12/30/1998

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