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:
Apr. 20, 2004
Filed:
Jan. 07, 2002
Applicant:
Inventor:
Hiromi Yunoki, Himeji, JP;
Assignee:
Nippon Shokubai Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 9/00 ; B08B 9/04 ; B08B 9/027 ;
U.S. Cl.
CPC ...
B08B 9/00 ; B08B 9/04 ; B08B 9/027 ;
Abstract
The present invention provides: a process which involves safely and sanitarily extracting a solid material from a shell-and-tube reactor with good efficiency. The process comprises the step of extracting a solid material that is packed in a reaction tube of a shell-and-tube reactor with the process further comprising: the step (a) of inserting an aspirating tube from an end of the reaction tube wherein the aspirating tube is connected to an exhaust gas aspirator and the step (b) of extracting the solid material from the reaction tube by aspirating the solid material in the reaction tube from a tip of the aspirating tube together with a stream of air.