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:
Sep. 22, 2015
Filed:
Jun. 14, 2012
Frank P. Disanzo, Cherry Hill, NJ (US);
Eric S. Shi, Singapore, SG;
Masato Shibasaki, Chiba, JP;
Shigeharu Yamamoto, Wakayama, JP;
Hisao Morita, Wakayama, JP;
Norio Takayama, Osaka, JP;
Frank P. DiSanzo, Cherry Hill, NJ (US);
Eric S. Shi, Singapore, SG;
Masato Shibasaki, Chiba, JP;
Shigeharu Yamamoto, Wakayama, JP;
Hisao Morita, Wakayama, JP;
Norio Takayama, Osaka, JP;
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, Annandale, NJ (US);
Abstract
A test method for the determination of methanol in crude oils to levels as low as 0.5 ppm is disclosed. The method includes extracting methanol into a water phase from a test sample of the crude oil forming a test sample extract. The method further includes extracting methanol into a water phase from a reference sample of the crude oil forming a reference sample extract, wherein the reference sample having a predetermined amount of methanol added thereto. The method further includes measuring the methanol content in the test sample extract and the methanol content in the reference sample extract. The method also includes determining the methanol content of the crude oil based upon the methanol content in the test sample extract and the methanol content in the reference sample extract.