Inventor · disambiguated record
Jeong-Im Won
Also filed as: WON JEONG-IM
9 granted patents·100 citations·filing 1996–2003
87Inventor score
Technology areasC07C
Files withKOREA KUMHO PETROCHEM CO LTD9
Top patents by PatentIndex Score
9 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
- 0374US6245943B1Method of preparing p-phenylenediamineKOREA KUMHO PETROCHEM CO LTD·Filed 2000·Granted Jun 12, 2001·7 cites·6 claims
- 0472US6156932APreparation of 4,4'-dinitrodiphenylamine from urea and nitrobenzeneKOREA KUMHO PETROCHEM CO LTD·Filed 2000·Granted Dec 5, 2000·6 cites·7 claims
- 0571US5723675AMethod for preparing anthraquinonesKOREA KUMHO PETROCHEM CO LTD·Filed 1996·Granted Mar 3, 1998·14 cites·5 claims
- 0659US6198001B1Manufacturing method for 4-nitrosoaniline from urea and nitrobenzeneKOREA KUMHO PETROCHEM CO LTD·Filed 2000·Granted Mar 6, 2001·2 cites·6 claims
- 0742US6130362AMethod for preparing ethylbenzene from 4-vinylcyclohexeneKOREA KUMHO PETROCHEM CO LTD·Filed 1996·Granted Oct 10, 2000·3 cites·10 claims
- 0839US6881865B2Method for preparing cyclohexyl phenyl ketone from 1,3-butadiene and acrylic acidKOREA KUMHO PETROCHEM CO LTD·Filed 2003·Granted Apr 19, 2005·0 cites·11 claims
- 0937US6552229B1Method for preparing 4-nitroso-substituted aromatic amineKOREA KUMHO PETROCHEM CO LTD·Filed 2002·Granted Apr 22, 2003·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →