The work of Senderens and Sabatier led to the introduction in about 1907 of the hydrogenation process for hardening whale oil.

[5] The Poulenc brothers became interested in the research into catalytic hydrogenation being undertaken by Sabatier and Senderens in Toulouse.

[6] In 1908 Poulenc Frères gave Senderens the title of Engineer and asked him to set up their laboratories and organic chemistry industry.

In 1912 the Catholic University was unable to give Senderens the space for an expansion of his laboratory, and Poulenc transported his equipment and personnel to Paris.

[6] Senderens retained the title of Director of the École Supérieure des Sciences at the Catholic University until 1927.

[8] In 1923 Senderens was made a Knight of the Legion of Honour for his contributions to Poulenc's manufacture of war materials.