Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428759 | Production of feed liquors for sodium carbonate crystallization processes | William C. Copenhafer, Richard W. Chastain | 2002-08-06 |
| 6413488 | Post conversion of a gas containing hydrogen sulphide, the elimination of sulphur crystallized by cooling | David Benayoun, Claude Dezael | 2002-07-02 |