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:
May. 12, 2020
Filed:
Jul. 19, 2019
Scg Chemicals Co., Ltd., Bangkok, TH;
Sulzer Gtc Technology Us Inc., Wilmington, DE (US);
SCG Chemicals Co., Ltd., Bangkok, TH;
Sulzer GTC Technology US Inc., Wilmington, DE (US);
Abstract
Extractive agent compounds are disclosed, with exemplary compounds having Formula (I): wherein Rand Rare independently selected from the group consisting of an oxygen radical, a hydrogen radical, and a hydrocarbyl radical having from about 1 to about 20 carbon atoms, and wherein R-Rare independently selected from the group consisting of halo, a hydrogen radical, and a hydrocarbyl radical having from about 1 to about 20 carbon atoms, and further wherein at least two of R-Rare halo. Also disclosed are extractive distillation processes, comprising distilling a liquid mixture comprising ethylbenzene, a further Caromatic compound, and an extractive agent compound as described herein. The extractive agent contributes to improved separability of ethylbenzene from the further Caromatic compound. The separability may be quantified in terms of increasing relative volatility of ethylbenzene to the further Caromatic compound or may alternatively be quantified in terms of a competitive factor, D, as described herein.