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:
Jun. 07, 2016
Filed:
Dec. 30, 2014
Industrial Technology Research Institute, Hsinchu, TW;
Chung-Cheng Lin, Kaohsiung, TW;
Hsuan-Wei Lee, Pingtung, TW;
Wei-Ta Yang, Taoyuan, TW;
I-Hong Lin, Luodong Township, TW;
Chi-Wei Chen, Taipei, TW;
Hou Yuan Chen, Taoyuan, TW;
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Abstract
An aqueous-phase catalyst composition including a metal ion including copper, nickel, manganese or iron and a water-soluble linear polymer having a molecular weight ranging from 1,000 to 20,000 is provided. The metal ion and the water-soluble linear polymer have a weight ratio of 1:1 to 1:5. A method for preparing polyphenylene ether including providing the disclosed aqueous-phase catalyst composition and adding phenolic monomers to the aqueous-phase catalyst composition to proceed to a polymerization reaction to prepare polyphenylene ether is also provided.