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US 2021/0070786 A1Published application
Phosphonium-based zwitterionic monomers and polymers, and compositions and methods thereof
AssigneeUniversity of Massachusetts
InventorsMarcel U. Brown, Todd Emrick
Life of this patent
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Abstract
The invention provides novel zwitterionic monomers and polymers (including copolymers) with pendent phosphonium-based zwitterionic moieties, and compositions and products comprising same, as well as related methods and uses of the compositions, for example, as surfactants, coatings, and interlayer materials, biomedical materials or agents.
Claims25
A compound having the structural formula:
- wherein
- R1 is H or a methyl group,
- each R2 is independently an alkyl or aryl group,
- L1 is (CH2)i, wherein i is an integer selected from 1 and 2, and
- L2 is (CH2)j, wherein j is an integer selected from 0-6.
2 more elements
A compound having the structural formula:
- wherein
- X is O or NH,
- R1 is H or a methyl,
- each R2 is independently an alkyl or aryl group,
- L1 is (CH2)i, wherein i is an integer selected from 1 and 2, and
- L2 is (CH2)j, wherein j is an integer selected from 0 to 6.
3 more elements
14-22. (canceled)
A polymer comprising a repeating unit having the structural formula:
- wherein
- R1 is H or a methyl group,
- each R2 is independently an alkyl or aryl group,
- L1 is (CH2)i, wherein i is an integer selected from 1 and 2, and
- L2 is (CH2)j, wherein j is an integer selected from 0-6.
2 more elements
(canceled)
(canceled)
30-32. (canceled)
35-56. (canceled)
Dependencies are inferred from the claim text.