| 1808 | Foundation of the chemical plant by Charles KESTNER |
| 1924 | Start up a potassium electrolysis unit (Bromide production) |
| 1931 | New name Potasse et Produits Chimiques ( P.P.C) |
| 1932 | Starting production of Hydrobromic Acid and Mineral Bromides |
| 1951 | Starting production of Organic Bromide Intermediates |
| 1971 | Acquired by Rhône-Poulenc |
| 1993 | Acquired by ETHYL Corporation, renamed Albemarle PPC |
| 2006 | Acquired by International Chemical Investors, renamed PPC Potasse et Produits Chimiques S.A.S |
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