Zwitterionically modified polymers and hydrogels
US11634512B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2018 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Aug 8, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L5/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to a polymer of Formula (IV): wherein A, X, Q, Y, Z, m1; m2, m3, k1; and k2 are as described herein and wherein the monomer units of the polymer are the same or different. The present invention also relates to a monomer of Formula (III), wherein R″, X1, Y1, Z1, m4, m5, and m6 are as described herein, and a polymeric network comprising two or more monomers of Formula (III). The present invention also relates to a hydrogel comprising any of the polymers and monomers described herein, a capsule comprising the hydrogel, and a method of delivering a therapeutic agent to a subject using the capsule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.