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US 4,072,693 AGranted
Macrocyclic polyethers
AssigneeShell Oil Company
InventorsDavid N. Reinhoudt, Robin T. Gray
Life of this patent
Estimating the term…
Abstract
Macrocyclic polyethers, their preparation, complexes of these macrocyclic polyethers and their preparation are described.
Claims1
The macrocyclic polyether 3,4-benzo-1,6,9,12-tetraoxycyclotetradec-3-ene.
Dependencies are inferred from the claim text.