Jean-Baptiste Senderens | |
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| Born | 27 January 1856 Barbachen, Hautes-Pyrénées, France |
| Died | 26 September 1937 (aged 81) Barbachen, Hautes-Pyrénées, France |
| Nationality | French |
| Occupation(s) | Priest, chemist |
| Known for | Hydrogenation of whale oil |
Jean-Baptiste Senderens (27 January 1856 – 26 September 1937) was a French priest and chemist. He was one of the pioneers of catalytic chemistry, and a co-discoverer of catalytic hydrogenation, a process used commercially to make margarine.