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Patents Grantslast 30 patents

Information Patent Grant
Antigelling agent for hydrocarbon mixture containing conjugated die...
- Patent number 6,841,061
- Issue date Jan 11, 2005
- Zeon Corporation
- Keizo Ukita
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Polymerization-inhibiting composition, polymerization inhibitor and...
- Patent number 6,770,222
- Issue date Aug 3, 2004
- Nippon Zeon Co., Ltd.
- Keizo Ukita
- C07 - ORGANIC CHEMISTRY