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. 08, 1994
Filed:
Jun. 05, 1992
Applicant:
Inventors:
Assignee:
Kawasaki Steel Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
203 64 ; 203 91 ; 203D / ; 585804 ; 585841 ;
Abstract
A method for refining a methylnaphthalene-containing oil includes the steps of azeotropically distilling the methylnaphthalene-containing oil with ethylene glycol to produce a methylnaphthalene fraction having a reduced content of nitrogen compounds; and hydrodesulfurizing the methylnaphthalene fraction in the presence of a catalyst having loaded thereto at least one member selected from molybdenum, cobalt and nickel.
Suzuki, Toshihide. (1994). Method for refining methylnaphthalene-containing oil (U.S. Patent No. 5284552). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5284552
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile