Van Erp; Willibrord A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Van Erp; Willibrord A..The latest application filed is for "process for the preparation of crystalline aluminum silicate compounds using pyridine and a quaternary ammonium compound".
- Van Erp; Willibrord A. - 1031 CM Amsterdam NL
- van Erp; Willibrord A. - Amsterdam NL
| Patent | Date |
|---|---|
| Process for the preparation of crystalline aluminum silicate compounds using pyridine and a quaternary ammonium compound Grant 4,663,140 - Van Erp , et al. May 5, 1 | 1987-05-05 |
| Process for preparation of catalyst Grant 4,637,993 - van Erp , et al. January 20, 1 | 1987-01-20 |
| Process for the preparation of crystalline aluminum silicate compounds using pyridine and a quaternary ammonium compound Grant 4,613,488 - Van Erp , et al. September 23, 1 | 1986-09-23 |
| Process for the separation of crystalline silicates Grant 4,383,981 - van Erp , et al. May 17, 1 | 1983-05-17 |
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