Patent · US Active

Thermoresponsive hydrogel containing polymer microparticles for noninvasive ocular drug delivery

US11246838B2 · kind B2 · utility

1Cited by

12References

24Claims

0Family size

Assignee

University of Pittsburgh—Of the Commonwealth System of Higher Education · US

Inventors

Morgan V. Fedorchak · Mars, US
Steven R. Little · Washington, US
Joel S. Schuman · Wayland, US
Anthony Cugini · Pittsburgh, US

Key dates

Filing date	Mar 4, 2014
Grant date	Feb 15, 2022
Priority date	—
Expiry date	Mar 4, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P27/06
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A method for sustained delivery of an agent to an ocular organ in a subject, comprising topically delivering to the ocular surface a liquid thermoresponsive hydrogel comprising agent-loaded polymer microparticles, wherein the agent is sustainably released for a period of at least five days.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.