Patents/Inventors

Hwa Yeong Choi

Jeollanam-doKR1 patent

2 Patents

US124828282025
Method for Preparing a Cathode of a Secondary Battery and a Purified N-methyl Pyrrolidone, and Purifying a Waste N-methyl Pyrrolidone Using an Inhibitor
JAEWON INDUSTRIAL CO., Ltd
0 cites
US124545052025
Method for Purifying an Alkylene Glycol Monoalkyl Ether Carboxylic Acid Ester Having High-purity Used in Photo Resist Process
JAEWON INDUSTRIAL CO., Ltd
0 cites