Granted Patent
Utility
US 4,530,924 · App. 06/316,582
Phthalocyanine compounds and anti-microbial use
Inventors:
Rudolf Polony, Gerhard Reinert, Gerd Holzle, Andre Pugin, Rodolphe Vonderwahl
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Oct 30, 1981
Inventors
Rudolf Polony
Gerhard Reinert
Gerd Holzle
Andre Pugin
Rodolphe Vonderwahl
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.