Yukong Limited

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing feedstocks of high quality lube base oil from...
- Patent number 5,580,442
- Issue date Dec 3, 1996
- Yukong Limited
- Sook-hyung Kwon
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for producing trimellitic acid
- Patent number 5,171,881
- Issue date Dec 15, 1992
- Yukong Limited
- Sang H. Park
- C07 - ORGANIC CHEMISTRY