Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418202 | Ethylene oxide catalyst and process | Carolus Matthias Anna Maria Mesters | 1995-05-23 |
| 4982048 | Isomerization process with preliminary normal paraffin and mono-methyl paraffin feed capture step | Stephen C. Stem | 1991-01-01 |
| 4960507 | Two-step heterocyclic nitrogen extraction from petroleum oils | George C. Blytas | 1990-10-02 |
| 4960508 | Two-step heterocyclic nitrogen extraction from petroleum oils | — | 1990-10-02 |
| 4942027 | Method for preparing ferrierite | — | 1990-07-17 |
| 4855529 | Isomerization process with preliminary normal paraffin and mono-methyl paraffin feed capture step | Stephen C. Stem | 1989-08-08 |
| 4804802 | Isomerization process with recycle of mono-methyl-branched paraffins and normal paraffins | Stephen C. Stem | 1989-02-14 |
| 4797266 | Method of preparation of a combined ZSM-5-ferrierite aluminosilicate | — | 1989-01-10 |
| 4795623 | Time effective method for preparing ferrierite | — | 1989-01-03 |
| 4717784 | Total isomerization process with mono-methyl-branched plus normal paraffin recycle stream | Stephen C. Stem | 1988-01-05 |