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:
Feb. 22, 2000
Filed:
Aug. 07, 1998
Marc-Andre Poirier, Sarnia, CA;
Exxon Research and Engineering Co., Florham Park, NJ (US);
Abstract
Elemental sulfur and sulfur contaminants causing silver corrosion and present in fluids such as refined petroleum products, e.g., gasoline, jet, diesel, kerosene or fuel additives such as ethers, is removed from such fluids by contacting the contaminated fluid containing indigenous hydrocarbyl mercaptan or by adding to the fluids which lack or have insufficient indigenous hydrocarbyl mercaptan a quantity of hydrocarbyl mercaptan and passing the resulting mixture through an adsorbent selected from the group consisting of alumina, bayerite, brucite and hydrotalcite like materials of the formula M.sub.x.sup.2+ M.sub.y.sup.3+ (OH).sub.2x+3y-z (NO.sub.3) mH.sub.2 O wherein M.sup.2+ is magnesium, M.sup.3+ is aluminum, and x, y and z are values from 1 to 6 and m is the number of waters of hydration.