Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405424 | Method for producing hydrogen and elemental sulphur by photochemical oxidation-reduction of hydrogen sulphide and metal sulphides | Michael Graetzel, Kuppuswamy Kalyanasundaram, Enrico Borgarello | 1983-09-20 |