Granted Patent
Utility
US 4,452,817 · App. 05/834,292
Anaesthetic compositions containing 2,6-diisopropylphenol
Inventors:
John B. Glen, Roger James
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Sep 19, 1977
Inventors
John B. Glen
Roger James
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.