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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 8877879 B1

PDFFull Text
Date of Patent:
Nov. 04, 2014

Filed:

Apr. 04, 2011

Apparatus for producing methacrylic polymer and production method thereof

Applicants:

Masahiro Hayashida, Hiroshima, JP;

Hisaaki Yoshimura, Hiroshima, JP;

Daisuke Nonaka, Hiroshima, JP;

Yusuke Morita, Hiroshima, JP;

Mitsuhiro Matsuo, Hiroshima, JP;

Inventors:

Masahiro Hayashida, Hiroshima, JP;

Hisaaki Yoshimura, Hiroshima, JP;

Daisuke Nonaka, Hiroshima, JP;

Yusuke Morita, Hiroshima, JP;

Mitsuhiro Matsuo, Hiroshima, JP;

Assignee:

Mitsubishi Rayon Co., Ltd., Tokyo, JP;

Attorney:

Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Vu A Nguyen

Int. Cl.
CPC ...
C08F 2/01 (2006.01); C08F 20/02 (2006.01); B01J 19/24 (2006.01); B01J 19/00 (2006.01); C08F 2/00 (2006.01); B01J 19/18 (2006.01); C08F 220/18 (2006.01);
U.S. Cl.
CPC ...
C08F 2/01 (2013.01); B01J 2219/00094 (2013.01); B01J 19/242 (2013.01); B01J 2219/0004 (2013.01); B01J 19/0066 (2013.01); C08F 220/18 (2013.01); C08F 2/001 (2013.01); B01J 19/1806 (2013.01);
Abstract

Disclosed is an apparatus for producing a high-quality methacrylic polymer with good productivity, comprising a complete mixing type reactor, tubular reactorsandwhich have been serially connected, and a volatile removing instrument, wherein at least two of the tubular reactorsandare connected via a coolerfor cooling the reaction mixture. It is preferable that the cooleris a multitubular cooler and the tubular reactorsandare plug flow reactors.

Find Patent Forward Citations

Hayashida, Masahiro. (2014). Apparatus for producing methacrylic polymer and production method thereof (U.S. Patent No. 8877879). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8877879

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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