Inventor

KAN CHING-JUNG

TW4 patents

⚠️ This page may combine multiple inventors who share the name “KAN CHING-JUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MERCK PATENT GMBH

2 patents

US6793905B1Sep 21, 2004

Method for producing high-purity hydrochloric acid

MERCK PATENT GMBH13 citations79

US6740302B2May 25, 2004

Method for producing high-purity sulphuric acid

MERCK PATENT GMBH7 citations65

GREEN FINE TECH CORP

2 patents

US12391549B2Aug 19, 2025

Method for preparing electronic grade inorganic acids from waste acid solution

GREEN FINE TECH CORP0 citations40

US11713247B2Aug 1, 2023

Method for preparing electronic grade sulfuric acid from waste sulfuric acid solution

GREEN FINE TECH CORP0 citations40