Granted Patent
Utility
US 4,056,635 · App. 05/559,880
2,6-Diisopropylphenol as an anaesthetic agent
Inventors:
John B. Glen, Roger James
Patented Case
View Patent ↗
Granted: Nov 1, 1977
Filed: Mar 19, 1975
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.