Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004840 | Novel process for preparing semi-caronic aldehydes | Alain Krief | 1991-04-02 |
| 4996349 | Enantioselective process | Alain Krief | 1991-02-26 |
| 4290609 | Steam seal | — | 1981-09-22 |
| 4232546 | Method and apparatus for tube leakage testing | — | 1980-11-11 |