Inventor
CHOI KIL-YEONG
KR24 patents
⚠️ This page may combine multiple inventors who share the name “CHOI KIL-YEONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA RES INST CHEM TECH
23 patentsUS6172127B1Jan 9, 2001
Preparation of polyimide foam
KOREA RES INST CHEM TECH25 citations91
US6013760AJan 11, 2000
Soluble polyimide resin for liquid crystal alignment layer and process of preparation of the same
KOREA RES INST CHEM TECH18 citations91
US5532334AJul 2, 1996
Process for preparing polyamideimide resins having high molecular weight
KOREA RES INST CHEM TECH19 citations83
US6054554AApr 25, 2000
Soluble polyimide resin comprising polyalicyclic structure
KOREA RES INST CHEM TECH17 citations82
US5521276AMay 28, 1996
Polyamideimide resins containing isophorone diamine structures
KOREA RES INST CHEM TECH18 citations81
US5955568ASep 21, 1999
Process for preparing polyamideimide resins by direct polymerization
KOREA RES INST CHEM TECH11 citations73
US5243010ASep 7, 1993
Aromatic polyamide containing pendant silyl groups
KOREA RES INST CHEM TECH13 citations73
US6162893ADec 19, 2000
Soluble polyimide resin having a dialkyl substituent for a liquid crystal alignment layer, the monomers and manufacturing methods thereof
KOREA RES INST CHEM TECH9 citations72
US6031067AFeb 29, 2000
Soluble polyimide resin and process of preparation of the same
KOREA RES INST CHEM TECH14 citations72
US5824766AOct 20, 1998
Polyamideamic acid resin prepolymers, high heat resistant polyamideimide foams prepared therefrom, and processes for preparing them
KOREA RES INST CHEM TECH7 citations72
US5241037AAug 31, 1993
Nadimide-terminated polyarylates and cured polyarylate resins
KOREA RES INST CHEM TECH7 citations72
US5489616AFeb 6, 1996
Process for manufacturing phosphoric acid-type chelate resin as uranyl ion absorbents
KOREA RES INST CHEM TECH11 citations70
US6046303AApr 4, 2000
Soluble polyimide resin having alkoxy substituents and the preparation method thereof
KOREA RES INST CHEM TECH9 citations68
US6433184B1Aug 13, 2002
Polyamide-imide having head-to-tail backbone
KOREA RES INST CHEM TECH5 citations60
US6232432B1May 15, 2001
Process for the preparation of polycarbonates
KOREA RES INST CHEM TECH3 citations60
US5457163AOct 10, 1995
Phosphonic acid chelating resins for uranyl ion adsorption
KOREA RES INST CHEM TECH3 citations59
US6582879B2Jun 24, 2003
Reactive photo acid-generating agent and heat-resistant photoresist composition with polyamide precursor
KOREA RES INST CHEM TECH4 citations57
US5212277AMay 18, 1993
Polyetherimideimides and a method for manufacturing them
KOREA RES INST CHEM TECH4 citations53
US6018055AJan 25, 2000
Polyarylether containing N-substituted imide groups and process for producing the same
KOREA RES INST CHEM TECH0 citations51
US5919942AJul 6, 1999
Cyclohexane-1,2,4,5-diimide derivative and process for preparing the same
KOREA RES INST CHEM TECH0 citations51
US5693744ADec 2, 1997
Amorphus polyamides having second order nonlinear optical property, and method for preparing them
KOREA RES INST CHEM TECH1 citations49
US6423812B1Jul 23, 2002
Process of preparing polycarbonates
KOREA RES INST CHEM TECH0 citations48
US6525109B2Feb 25, 2003
Process of preparing polycarbonates using microwave
KOREA RES INST CHEM TECH1 citations47