Inventor
SEO DONG CHUL
KR11 patents
⚠️ This page may combine multiple inventors who share the name “SEO DONG CHUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA KUMHO PETROCHEM CO LTD
7 patentsUS6268106B1Jul 31, 2001
Chemically amplified positive photoresist composition
KOREA KUMHO PETROCHEM CO LTD25 citations92
US6146810ANov 14, 2000
Resist polymer and chemical amplified resist composition containing the same
KOREA KUMHO PETROCHEM CO LTD22 citations92
US6369143B1Apr 9, 2002
Polymer for radiation-sensitive resist and resist composition containing the same
KOREA KUMHO PETROCHEM CO LTD18 citations83
US6358666B1Mar 19, 2002
Chemically amplified resist composition containing norbornane type low molecular additive
KOREA KUMHO PETROCHEM CO LTD19 citations83
US7285373B2Oct 23, 2007
Polymer and chemically amplified resist composition containing the same
KOREA KUMHO PETROCHEM CO LTD6 citations59
US7326520B2Feb 5, 2008
Copolymer of alicyclic olefin having secondary hydroxyl group and acryl compound, and chemically amplified resist composition containing the same
KOREA KUMHO PETROCHEM CO LTD3 citations58
US9321875B2Apr 26, 2016
Additive for resist and resist composition comprising same
KOREA KUMHO PETROCHEM CO LTD0 citations36