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:
Sep. 15, 2009
Filed:
Jul. 13, 2004
Applicants:
Miezi Sugiyama, Otake, JP;
Yoshimasa Ando, Huizhou, CN;
Yoshiyuki Taniguchi, Yokohama, JP;
Inventors:
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 8/04 (2006.01); B01J 10/00 (2006.01); C07C 51/16 (2006.01); C07C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fixed-bed multitubular reactor, comprising a plurality of reaction tubes () filled with a catalyst and catalyst temperature measurers () measuring the temperatures of the reaction tubes near the radical center parts thereof. The catalyst temperature measurer () is installed in each of a part of the plurality of reaction tubes (), and the measurement positions thereof are differentiated from each other in the longitudinal direction of the reaction tubes ().