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:
Oct. 14, 1997
Filed:
Oct. 04, 1996
Applicant:
Inventors:
Shigeaki Namba, Hitachi, JP;
Shoji Takahashi, Hitachi, JP;
Toshiki Kahara, Toukai-mura, JP;
Nobuhiro Seiki, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423659 ; 423651 ; 423652 ; 423D / ;
Abstract
A faulty chemical reactor in a chemical plant is removed, heat exchange is conducted between the faulty chemical reactor and a new chemical reactor with which the faulty chemical reactor is to be replaced, and then the new chemical reactor is installed at the position from which the faulty chemical reactor was previously removed.