Patent · US Active

Zwitterionically modified polymers and hydrogels

US11634512B2 · kind B2 · utility

1Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 27, 2018
Grant dateApr 25, 2023
Priority date
Expiry dateAug 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.