Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639112 | Method for preparing ketones by pyrogenic reaction of aldehydes, alcohols, acids or esters | — | 2003-10-28 |
| 6403834 | Method for preparing tris(ether-amine) | Albert Bouniot | 2002-06-11 |
| 6111082 | Stable concentrated rare earth carboxylate liquids | Kenan Yunlu, Min He, Jean-Pierre Cuif | 2000-08-29 |
| 6054563 | Preparation of solid, powdery rare earth carboxylates by evaporation method | Kenan Yunlu | 2000-04-25 |
| 6018057 | Process for producing acid anhydrides | Michel Gubelmann, Jean-Michel Popa | 2000-01-25 |
| 5856581 | Preparation of cyclic ketones | Michel Crochemore | 1999-01-05 |
| 5824820 | Process for the preparation of citraconic anhydride | — | 1998-10-20 |
| 5670659 | Preparation of citraconic anhydride | Alain Sigismondi, Philippe-Jean Tirel | 1997-09-23 |
| 5600013 | Preparation of cyclic ketones | Michel Crochemore | 1997-02-04 |
| 5260456 | Process for producing itaconic anhydride | Michel Gubelmann, Jean-Michel Popa | 1993-11-09 |