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:
Oct. 03, 2017
Filed:
Apr. 10, 2015
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Nikolaos Soultanidis, Houston, TX (US);
John S. Buchanan, Flemington, NJ (US);
Christopher M. Evans, Houston, TX (US);
David T. Ferrughelli, Flemington, NJ (US);
Luc R. M. Martens, Meise, BE;
Keith G. Reed, Houston, TX (US);
Frank C. Wang, Annandale, NJ (US);
Teng Xu, Houston, TX (US);
Cathleen Yung, Phillipsburg, NJ (US);
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
The invention relates to a utility fluid, such as a fluid containing aromatic and non-aromatic ringed molecules, useful as a diluent when hydroprocessing pyrolysis tar, such as steam cracker tar. The specified utility fluid comprises ≧10.0 wt % aromatic and non-aromatic ring compounds and each of the following: (a) ≧1.0 wt % of 1.0 ring class compounds; (b) ≧5.0 wt % of 1.5 ring class compounds; (c) ≧5.0 wt % of 2.0 ring class compounds; and (d) ≦0.1 wt % of 5.0 ring class compounds. The invention also relates to methods for producing such a utility fluid and to processes for hydroprocessing pyrolysis tar.