Granted Patent
Utility
US 4,219,675 · App. 06/009,895
Batch process for manufacturing and purifying liquid organic peroxide by distillation
Inventors:
Ramdas Venkatram, Vasanth R. Kamath, Chester J. Smith
Patented Case
View Patent ↗
Granted: Aug 26, 1980
Filed: Feb 6, 1979
Inventors
Ramdas Venkatram
Vasanth R. Kamath
Chester J. Smith
Assignee (at issue)
Pennwalt Corporation
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.