Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322642 | Process and steel for the manufacture of a pressure vessel working in the presence hydrogen sulfide | Pierre Bocquet, Philippe Mabelly | 2001-11-27 |
| 5221374 | Process for using agent for improving the hydrogen cracking resistance of low or intermediate-alloy steels, and pieces obtained | Regis Blondeau, Jean Beguinot, Lionel Coudreuse, Gilbert Primon, Jacques Charles | 1993-06-22 |