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:
Mar. 17, 2015
Filed:
Dec. 17, 2012
Mitsubishi Rayon Co., Ltd., Chiyoda-ku, JP;
Hisaaki Yoshimura, Toyama, JP;
Masahiro Hayashida, Otake, JP;
Daisuke Nonaka, Otake, JP;
Yusuke Morita, Otake, JP;
Mitsuhiro Matsuo, Otake, JP;
Mitsubishi Rayon Co., Ltd., Chiyoda-ku, JP;
Abstract
There is provided a method capable of producing a methacrylic-based polymer excellent in pyrolysis resistance and excellent in fabricability in a high productivity. The method for producing a methacrylic-based polymer includes the following steps (1) and (2): step (1) of using a complete mixing reactor (A) to thereby obtain the first syrup, including specific steps; step (2) of using a reaction apparatus (D) including a plug flow mixer (B) and a plug flow reactor (C) to thereby obtain the second syrup, including specific steps.