Inventor

CHUN BUM SUK

KR2 patents

Patents

2 patents

US8911613B2Dec 16, 2014

Method of simultaneously manufacturing high quality naphthenic base oil and heavy base oil

NOH KYUNG SEOK7 citations79

US8834706B2Sep 16, 2014

Method for preparing lubricating base oils by using vacuum distilled deasphalted oil

NOH KYUNG SEOK2 citations58