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:
Jul. 09, 2019
Filed:
Jul. 26, 2017
Lyondell Chemical Technology, L.p., Houston, TX (US);
Majid Keyvani, Houston, TX (US);
Gary A. Sawyer, Media, PA (US);
Arsam Behkish, Flemington, NJ (US);
Lyondell Chemical Technology, L.P., Houston, TX (US);
Abstract
The present disclosure relates to processes for the removal of paraffins. The processes generally include providing a Ccontaining stream including isobutylene, 1-butene, 2-butene, n-butane and isobutane, introducing the Ccontaining stream into a paraffin removal process to form an olefin rich stream, wherein the paraffin removal process is selected from extractive distillation utilizing a solvent including an organonitrile, passing the Ccontaining stream over a semi-permeable membrane and combinations thereof; and recovering the olefin rich stream from the paraffin removal process, wherein the olefin rich stream includes less than 5 wt. % paraffins.