Patent ID: 11919992
Assignee: RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW YORK
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 3:
4. The method as recited in claim 1, further comprising subsequent to the step of transforming the first hydroxyl group and prior to the step of adding the amine:
(1) displacing the leaving groups with an amino alcohol, wherein the amino alcohol comprises second hydroxyl groups and is a general formula selected from a group consisting of N((R1OH)(R2OH)(R3OH) and N((R1OH)(R2OH)H, wherein R1, R2 and R3 are independently selected alkyl groups, provided each has at least one carbon but ten or fewer carbons, and
(2) transforming the second hydroxyl groups to leaving groups.