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US 12,528,967 B2Granted
Zwitterionic copolymer coatings and related methods
AssigneeUniversity of Washington
InventorsShaoyi Jiang, Xiaojie Lin, Jonathan Himmelfarb, Buddy D. Ratner
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Abstract
Zwitterionic carboxybetaine copolymers and their use in coatings to impart non-fouling and functionality to surfaces, particularly surfaces of blood-contacting medical devices.
Claims8
A copolymer having a formula (III):
- wherein
- R1 and R2 are independently —(CH2)xH, where x is an integer from 0 to 20;
- R3 and R4 are independently —(CH2)xH, where x is an integer from 0 to 20;
- X is O or NH;
- Y is O or NH;
- n is an integer from 1 to 20;
- m is an integer from 1 to 20;
- a is from about 0.10 to about 0.90 mole percent;
- b is about 0.10 to about 0.90 mole percent;
- a+b is 1.0;
- and
- * represents the copolymer terminal groups.
9 more elements
Dependencies are inferred from the claim text.