Koetsier; Wicher T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koetsier; Wicher T..The latest application filed is for "zeolite l preparation".
- Koetsier; Wicher T. - Mijnsheerenland NL
| Patent | Date |
|---|---|
| Zeolite L preparation Grant 5,051,387 - Koetsier , et al. September 24, 1 | 1991-09-24 |
| Hydrocarbon conversion process with a composite zeolite Grant 4,482,774 - Koetsier November 13, 1 | 1984-11-13 |
| Xylene isomerization Grant 4,435,608 - Koetsier , et al. March 6, 1 | 1984-03-06 |
| Composite zeolite Grant 4,427,577 - Koetsier January 24, 1 | 1984-01-24 |
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