Wiecher Derk Evert Steenge

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process to continuously prepare two or more base oil grades and mid...
- Patent number 7,727,379
- Issue date Jun 1, 2010
- Shell Oil Company
- Nicholas James Adams
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Process for reducing the cloud point of a base oil
- Publication number 20090230021
- Publication date Sep 17, 2009
- Jakob Willem Duininck
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Process to prepare a lubricating base oil and its use
- Publication number 20090159492
- Publication date Jun 25, 2009
- Etienne Duhoux
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...