The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 2017
Filed:
Jan. 10, 2013
Gary A. Sawyer, Media, PA (US);
Robert S. Bridges, Friendswood, TX (US);
Steven T. Coleman, Humble, TX (US);
Allen David Hood, Jr., Houston, TX (US);
Gary A. Sawyer, Media, PA (US);
Robert S. Bridges, Friendswood, TX (US);
Steven T. Coleman, Humble, TX (US);
Allen David Hood, Jr., Houston, TX (US);
Equistar Chemicals, LP, Houston, TX (US);
Lyondell Chemical Technology, L.P., Houston, TX (US);
Abstract
Ethylene separation processes are described herein. The ethylene separation processes generally include introducing a feed stream including ethylene and butene into a de-ethenizer; and separating the ethylene from the butene via fractional distillation within the de-ethenizer to form an overhead stream including separated ethylene and a bottoms stream including separated butene, wherein the de-ethenizer operates at a pressure of less than 350 psig.