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US 10,472,467 B2Granted
Polymers having intrinsic microporosity including sub-units with troger's base and spirobisindane moieties
AssigneeDow Global Technologies LLC
InventorRobert E. Hefner, Jr.
Life of this patent
Estimating the term…
Abstract
A polymer comprising a sub-unit or repeating unit including a spirobisindane moiety and Troger's base moiety linked together by way of a linking group (L) wherein the linking group (L) is represented by Formula III: wherein Z and Z′ are independently selected from an ether and ester functional group.
Claims9
A polymer comprising a sub-unit comprising a spirobisindane moiety and Troger's base moiety linked together by way of a linking group (L) wherein the linking group (L) is represented by Formula III:
- wherein Z and Z′ are independently selected from an ether and ester functional group.
Dependencies are inferred from the claim text.