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.:

US 8313704 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 20, 2012

Filed:

Dec. 10, 2008
Applicants:

Hiroyuki Ogawa, Ichihara, JP;

Hideki Sato, Ichihara, JP;

Hiroshi Ueda, Takarazuka, JP;

Inventors:

Hiroyuki Ogawa, Ichihara, JP;

Hideki Sato, Ichihara, JP;

Hiroshi Ueda, Takarazuka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 8/18 (2006.01); B01J 19/00 (2006.01); C08F 2/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

A spouted bed device according to the present invention includes a vertically extending cylinder; a decreasing diameter member which is formed on the cylinder, has an inside diameter that decreases progressively downward, and has a gas inlet orifice at a bottom end thereof; and a tubular portion which extends downward from an edge of the gas inlet orifice. A spouted bed is formed in a treatment zone enclosed by a top surface of the decreasing diameter member and an inner wall of the cylinder above the decreasing diameter member.


Find Patent Forward Citations

Ogawa, Hiroyuki. (2012). Spouted bed device, polyolefin production system with spouted bed device, and polyolefin production process (U.S. Patent No. 8313704). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8313704

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