Granted Patent
Utility
US 4,484,992 · App. 06/342,615
Process for the production of hydrogen by means of heterogeneous photoredox catalysis
Inventors:
Niklaus Buhler, Jean-Francois Reber, Kurt Meier, Milos Rusek
Patented Case
View Patent ↗
Granted: Nov 27, 1984
Filed: Jan 25, 1982
Inventors
Niklaus Buhler
Jean-Francois Reber
Kurt Meier
Milos Rusek
Assignee (at issue)
Ciba-Geigy
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.