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.

Date of Patent:
Jul. 19, 2016

Filed:

Mar. 21, 2012
Applicants:

Ryoji Ida, Tokyo, JP;

Shinichiro Yanagawa, Tokyo, JP;

Inventors:

Ryoji Ida, Tokyo, JP;

Shinichiro Yanagawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/31 (2006.01); C10G 29/20 (2006.01); C10G 45/44 (2006.01); C10G 45/60 (2006.01); C10G 55/06 (2006.01); B01J 23/85 (2006.01); B01J 23/882 (2006.01); B01J 23/883 (2006.01); B01J 23/888 (2006.01);
U.S. Cl.
CPC ...
C07C 51/31 (2013.01); C07C 51/313 (2013.01); C10G 29/205 (2013.01); C10G 45/44 (2013.01); C10G 45/60 (2013.01); C10G 55/06 (2013.01); B01J 23/85 (2013.01); B01J 23/882 (2013.01); B01J 23/883 (2013.01); B01J 23/888 (2013.01); C10G 2300/1096 (2013.01); C10G 2400/30 (2013.01);
Abstract

By selectively hydrogenating a feedstock containing two or more hydrocarbons selected from the group consisting of tricyclic aromatic hydrocarbons having an anthracene skeleton and tricyclic aromatic hydrocarbons having a phenanthrene skeleton to 1,2,3,4,5,6,7,8-octahydro bodies using, as a hydrogenation catalyst, a catalyst containing two or more active metals selected from the group consisting of nickel, molybdenum, cobalt, and tungsten and then, by oxidizing the 1,2,3,4,5,6,7,8-octahydro body using a metal oxide, a benzenetetracarboxylic acid can be efficiently manufactured.


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