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:
Nov. 02, 2021
Filed:
Dec. 01, 2017
Applicant:
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Inventors:
Krystle J. Emanuele, Houston, TX (US);
Kapil Kandel, Humble, TX (US);
Glenn A. Heeter, The Woodlands, TX (US);
Jeffrey C. Yeh, Houston, TX (US);
Teng Xu, Houston, TX (US);
Assignee:
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 69/06 (2006.01); C10G 1/00 (2006.01); C10G 1/02 (2006.01); C10G 45/00 (2006.01);
U.S. Cl.
CPC ...
C10G 69/06 (2013.01); C10G 1/002 (2013.01); C10G 1/02 (2013.01); C10G 45/00 (2013.01); C10G 2300/302 (2013.01); C10G 2400/06 (2013.01);
Abstract
This invention relates to a process for determining the suitability of pyrolysis tar, such as steam cracker tar, for upgrading using hydroprocessing without excessive fouling of the hydroprocessing reactor. The invention includes establishing a reference activity for the thermally treating the pyrolysis tar to produce a treated tar having a lesser reactivity.