Nested supramolecular capsules
AssigneeCambridge Enterprise Limited
InventorsJing Zhang, Roger Coulston, Richard Parker, Christopher Abell, Oren Scherman, Ziyi Yu
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Abstract
A nested capsule having a first capsule held within a second capsule. Each of the first and second capsules has a shell that is a supramolecular cross-linked network, such as a cucurbituril supramolecular cross-linked network. Each capsule shell is obtained or is obtainable from the complexation of a composition including a host, such as cucurbituril, and one or more building blocks having suitable guest functionality for the host, thereby to form a supramolecular cross-linked network. The nested capsules are suitable for delivering and selectively releasing an encapsulant at a location.
Claims26
A nested capsule comprising a first capsule held within a second capsule, and each of the first and second capsules has a shell that is a supramolecular cross-linked network, wherein
- each shell is obtainable from the complexation of a composition comprising a host and one or more building blocks having suitable guest functionality, thereby to form a supramolecular cross-linked network, wherein the second capsule is not provided as a layer on the surface of the first capsule, and the supramolecular cross-linked network includes a non-covalent complex of the host and the one or more building blocks having suitable guest functionality.
Dependencies are inferred from the claim text.