DD

Didier Demay

6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6540921 Process for the purification of aqueous hydrogen peroxide solutions Christine Devos, Hervé Dulphy 2003-04-01
6296829 Process for the aqueous purification of hydrogen peroxide containing impurities Christine Devos 2001-10-02
6214225 Process for the preparation of an ultra pure hydrogen peroxide solution by the ion exchange by sequence: anionic-cationic-anionic-cationic Henry Ledon, Martine Carre, Christine Devos, Serge Jeanin 2001-04-10
6187189 Process for the preparation of an ultrapure solution of hydrogen peroxide by ion exchange with recycling Henry Ledon, Christine Devos 2001-02-13
5961947 Process for the preparation of an ultra pure hydrogen peroxide solution by the ion exchange by sequence: anionic-cationic-anionic-cationic Henry Ledon, Martine Carre, Christine Devos, Serge Jeanin 1999-10-05
5928621 Process for the preparation of an ultra pure solution of hydrogen peroxide by ion exchange with recycling Henry Ledon, Christine Devos 1999-07-27