Granted Patent
Utility
US 4,492,756 · App. 06/445,783
Microorganisms of the genus Hyphomicrobium and process for degrading compounds wich contain methyl groups in aqueous solutions
Inventors:
Oreste Ghisalba, Franz Heinzer, Martin Kuenzi
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Dec 1, 1982
Inventors
Oreste Ghisalba
Franz Heinzer
Martin Kuenzi
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.