Martinus M. P. Janssen

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Grand Couronne, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of lubricating base oils
- Patent number 5,098,551
- Issue date Mar 24, 1992
- Jean-Marie A. Bertaux
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the manufacture of lubricating base oils
- Patent number 4,764,265
- Issue date Aug 16, 1988
- Shell Oil Company
- Henricus M. J. Bijwaard
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the manufacture of lubricating base oils
- Patent number 4,622,129
- Issue date Nov 11, 1986
- Shell Oil Company
- Gerhard G. Bayle
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...