Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4427749 | Product intended to be used as a photocatalyst, method for the preparation of such product and utilization of such product | Michael Graetzel, Dung Duonghong, Michael Neumann-Spallart, Enrico Borgarello | 1984-01-24 |
| 4405424 | Method for producing hydrogen and elemental sulphur by photochemical oxidation-reduction of hydrogen sulphide and metal sulphides | Michael Graetzel, Enrico Borgarello, Ezio Pelizzetti | 1983-09-20 |
| 4382846 | Simultaneous production of hydrogen and oxygen from water | Michael Gratzel, John Kiwi, John D. Philp | 1983-05-10 |
| 4381978 | Photoelectrochemical system and a method of using the same | Michael Gratzel, John Kiwi, John D. Philp | 1983-05-03 |