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:
Aug. 02, 2016
Filed:
Mar. 15, 2011
Kazuhiko Tasaka, Tokyo, JP;
Kazuhiko Tasaka, Tokyo, JP;
JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, Tokyo, JP;
INPEX CORPORATION, Tokyo, JP;
JX NIPPON OIL & ENERGY CORPORATION, Tokyo, JP;
JAPAN PETROLEUM EXPLORATION CO., LTD., Tokyo, JP;
COSMO OIL CO., LTD., Tokyo, JP;
NIPPON STEEL ENGINEERING CO., LTD., Tokyo, JP;
Abstract
A startup method for a fractionator that is supplied with, and fractionally distills, a hydrocracked product obtained in a wax fraction hydrocracking step by hydrocracking a wax fraction contained within a Fischer-Tropsch synthetic oil, the method including a preheating step of preheating the fractionator using a hydrocarbon oil that includes at least a portion of the hydrocracked product and is liquid at a normal temperature and normal pressure.