Inventor

CHAN HUNG-WEN

TW2 patents

Patents

2 patents

US10351427B2Jul 16, 2019

System for manufacturing high purity sulfuric acid

ASIA UNION ELECTRONIC CHEMICAL CORP3 citations61

US9926198B2Mar 27, 2018

Method for manufacturing high purity sulfuric acid

ASIA UNION ELECTRONIC CHEMICAL CORP0 citations40