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:
Oct. 13, 2015

Filed:

Nov. 12, 2014
Applicant:

Nan Ya Plastics Corporation, Taipei, TW;

Inventors:

Dein-Run Fung, Taipei, TW;

Jung-Jen Chuang, Taipei, TW;

Yi-Cheng Li, Taipei, TW;

Zhang-Jian Huang, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01); C08G 65/38 (2006.01);
U.S. Cl.
CPC ...
C08G 65/38 (2013.01);
Abstract

A process for producing polyphenylene ether involves to keep a combustible solvent at a gaseous concentration below the minimums of explosion, to keep oxygen gas supplied at a gaseous concentration below the limiting oxygen concentration (LOC) of the solvent, and to make use of a reactor having a rotary-sealed mixer sealed with magnetic rotary feedthroughs to prevent static electricity generated, and then to improve safety and yield thereof.


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