Henricus J. A. Van Helden

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Haariem Resp, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of kerosene and/or gas oils
- Patent number 5,122,257
- Issue date Jun 16, 1992
- Shell Internationale Research Maatschappij B.V.
- Henricus J. A. Van Helden
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the manufacture--gas oils
- Patent number 4,994,171
- Issue date Feb 19, 1991
- Shell Internationale Research Maatschappij B.V.
- Henricus J. A. Van Helden
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Two stage partial combustion process for solid carbonaceous fuels
- Patent number 4,060,397
- Issue date Nov 29, 1977
- Shell Internationale Research Maatschappij B.V.
- Pieter Buiter
- C01 - INORGANIC CHEMISTRY