Ringnerus P. van der Werf

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for separating hydrocarbon products from catalyst particles
- Patent number 4,664,889
- Issue date May 12, 1987
- Shell Oil Company
- Wiecher D. E. Steenge
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the preparation of a hydrocarbon mixture
- Patent number 4,249,031
- Issue date Feb 3, 1981
- Shell Oil Company
- Eit Drent
- C07 - ORGANIC CHEMISTRY