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:
Jul. 24, 2012
Filed:
Jun. 10, 2011
Takashi Oyama, Kuga-gun, JP;
Kazuhisa Nakanishi, Kuga-gun, JP;
Tamotsu Tano, Kuga-gun, JP;
Keiji Higashi, Kuga-gun, JP;
Ippei Fujinaga, Kuga-gun, JP;
Hiromitsu Hashisaka, Kuga-gun, JP;
Toshitaka Fujii, Kuga-gun, JP;
Takashi Noro, Kuga-gun, JP;
Akio Sakamoto, Minato-ku, JP;
Kiwamu Takeshita, Minato-ku, JP;
Keizou Ikai, Kawasaki, JP;
Masaki Fujii, Kawasaki, JP;
Hideki Ono, Yokohama, JP;
Takashi Oyama, Kuga-gun, JP;
Kazuhisa Nakanishi, Kuga-gun, JP;
Tamotsu Tano, Kuga-gun, JP;
Keiji Higashi, Kuga-gun, JP;
Ippei Fujinaga, Kuga-gun, JP;
Hiromitsu Hashisaka, Kuga-gun, JP;
Toshitaka Fujii, Kuga-gun, JP;
Takashi Noro, Kuga-gun, JP;
Akio Sakamoto, Minato-ku, JP;
Kiwamu Takeshita, Minato-ku, JP;
Keizou Ikai, Kawasaki, JP;
Masaki Fujii, Kawasaki, JP;
Hideki Ono, Yokohama, JP;
Nippon Oil Corporation, Tokyo, JP;
Nippon Petroleum Refining Company, Limited, Tokyo, JP;
Abstract
The present invention provides a raw coke having such a structure that the graphitized product resulting from graphitization of the raw coke at a temperature of 2800° C. under an inactive gas atmosphere will have ratios of the crystallite size to the lattice constant of 360 or less in the (002) plane and 1500 or less in the (110) plane, as a raw coke providing active carbon produced by alkali-activating the raw coke, which is reduced in remaining alkali content and can simplify washing operation because washing liquid can easily pass through the activated carbon, or as a raw coke for the production of needle coke.