Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5401892 | Preparation of a dimethyltetralin by cyclizing an orthotolylpentene phenylhexene using an ultra-stable crystalline aluminosilicate molecular sieve y-zeolite | David L. Sikkenga, Ian C. Zaenger, Gregory S. Williams | 1995-03-28 | $35,988,000 |
| 5073670 | Preparation of a dimethyltetralin | David L. Sikkenga, Ian C. Zaenger, Gregory S. Williams | 1991-12-17 | $22,377,000 |
| 4950825 | Preparation of a dimethyltetralin | David L. Sikkenga, Ian C. Zaenger, Gregory S. Williams | 1990-08-21 | $26,072,000 |