Granted Patent
Utility
US 4,263,453 · App. 06/101,621
Process for converting cyclohexane to adipic acid
Inventors:
Johann G. D. Schulz, Anatoli Onopchenko
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: Dec 10, 1979
Inventors
Johann G. D. Schulz
Anatoli Onopchenko
Assignee (at issue)
Gulf Research & Development Company
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.