P
PatentIndex
Search
Landscape
Sign in
Inventor
JI HAE SEOK
KR
3 patents
⚠️ This page may combine multiple inventors who share the name “JI HAE SEOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ULSAN CHEMICAL CO LTD
2 patents
US6841705B2
Jan 11, 2005
Method of producing difluoromethane
ULSAN CHEMICAL CO LTD
12 citations
74
US7319174B2
Jan 15, 2008
Dry-etching gas for semiconductor process and preparation method thereof
ULSAN CHEMICAL CO LTD
0 citations
48
FOOSUNG CO LTD
1 patent
US7504547B2
Mar 17, 2009
Method of preparing perfluoroalkadiene
FOOSUNG CO LTD
1 citations
46