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:
Mar. 21, 2006
Filed:
Feb. 29, 2000
Keiji Tomura, Tokyo, JP;
Takashi Ogawa, Tokyo, JP;
Masami Ono, Tokyo, JP;
Keiichi Okuyama, Tokyo, JP;
Seiji Aoki, Tokyo, JP;
Tsutomu Shikada, Tokyo, JP;
Masatsugu Mizuguchi, Tokyo, JP;
Yotaro Ohno, Tokyo, JP;
Keiji Tomura, Tokyo, JP;
Takashi Ogawa, Tokyo, JP;
Masami Ono, Tokyo, JP;
Keiichi Okuyama, Tokyo, JP;
Seiji Aoki, Tokyo, JP;
Tsutomu Shikada, Tokyo, JP;
Masatsugu Mizuguchi, Tokyo, JP;
Yotaro Ohno, Tokyo, JP;
JFE Holdings, Inc., Tokyo, JP;
Abstract
(a) A medium oil wherein a main component is a hydrocarbon, and the number of paraffinic carbon atoms is 70% or more with respect to a total number of carbon atoms, (b) a medium oil wherein a main component is a polybutene, (c) a medium oil wherein a main component is a mixture of hydrocarbons of the formula (1):CH—C(CH)—[—CH—C(CH)—]—CH—R   (1)wherein R is —CH(CH)or —C(CH)═CH, and n is 1 to 10, (d) a medium oil wherein a main component is a hydrocarbon prepared by a Fischer-Tropsch synthesis, or (e) a medium oil wherein a main component is a branched paraffinic hydrocarbon prepared by hydrogenolysis of a hydrocarbon prepared by a Fischer-Tropsch synthesis, and a process of producing dimethyl ether using the medium oil, are disclosed.