Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5460796 | Process for producing substantially binder-free zeolite | — | 1995-10-24 |
| 5396009 | Zeolite L | — | 1995-03-07 |
| 5300720 | Zeolite L use in dehydrocyclisation and isomerisation | Pieter E. Gellings | 1994-04-05 |
| 5242675 | Zeolite L | — | 1993-09-07 |
| 5242875 | Zeolite ZK-5 catalyst | — | 1993-09-07 |
| 5146040 | Process for separating dimethylnaphthalene isomers with zeolite L agglomerates | Mechilium Johannes Gerardus Janssen, Cornelis B. De Gruijter, Wicher T. Koetsier, Cornelis W. M. Van Oorschot | 1992-09-08 |
| 5064630 | Zeolite L preparation | Mechilium Johannes Gerardus Janssen, Cornelis B. De Gruijter, Wicher T. Koetsier, Cornelis W. M. Van Oorschot | 1991-11-12 |
| 5051387 | Zeolite L preparation | Wicher T. Koetsier | 1991-09-24 |
| 5017353 | Recycled zeolite L preparation | — | 1991-05-21 |
| 4994249 | Zeolite ZK-5 | — | 1991-02-19 |
| 4956166 | Zeolite L synthesis | — | 1990-09-11 |
| 4894214 | Zeolite L preparation | Pieter E. Gellings | 1990-01-16 |
| 4435608 | Xylene isomerization | Wicher T. Koetsier | 1984-03-06 |