Inventor · disambiguated record
Kum-Ui Hwang
Also filed as: HWANG KUM-UI
5 granted patents·90 citations·filing 1996–2000
81Inventor score
Technology areasC07C
Files withKOREA KUMHO PETROCHEM CO LTD5
Top patents by PatentIndex Score
5 records- 0194US6137010AMethod for preparing 4-nitrodiphenylamine and 4-nitrosodiphenylamine from carbanilideKOREA KUMHO PETROCHEM CO LTD·Filed 2000·Granted Oct 24, 2000·48 cites·13 claims
- 0278US5770774AMethod for preparing 2-methyl-1,4-naphthoquinone (vitamin K3)KOREA KUMHO PETROCHEM CO LTD·Filed 1996·Granted Jun 23, 1998·20 cites·5 claims
- 0372US6156932APreparation of 4,4'-dinitrodiphenylamine from urea and nitrobenzeneKOREA KUMHO PETROCHEM CO LTD·Filed 2000·Granted Dec 5, 2000·6 cites·7 claims
- 0471US5723675AMethod for preparing anthraquinonesKOREA KUMHO PETROCHEM CO LTD·Filed 1996·Granted Mar 3, 1998·14 cites·5 claims
- 0559US6198001B1Manufacturing method for 4-nitrosoaniline from urea and nitrobenzeneKOREA KUMHO PETROCHEM CO LTD·Filed 2000·Granted Mar 6, 2001·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →