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:
Jun. 10, 2008

Filed:

Oct. 29, 2004
Applicants:

Fumiko Shiraishi, Minami-Ashigara, JP;

Yasunori Ichikawa, Minami-Ashigara, JP;

Seiji Sugiyama, Minami-Ashigara, JP;

Koukichi Waki, Minami-Ashigara, JP;

Inventors:

Fumiko Shiraishi, Minami-Ashigara, JP;

Yasunori Ichikawa, Minami-Ashigara, JP;

Seiji Sugiyama, Minami-Ashigara, JP;

Koukichi Waki, Minami-Ashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

When a reaction liquid is passed through a gas-liquid separation pipe having a larger volume per unit length than the volume per unit length of a pipe, a headspace part into which gas can be released is formed above the gas-liquid separation pipe, and the byproduct gas generated by the reaction changes into bubbles, moves upward in the reaction liquid, and is continuously released from a gas-liquid interface into the headspace part. While the gas is removed in the gas-liquid separation pipe, the pressure of the headspace part is controlled so as to be constant by a pressure adjustment device.


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