Patent · US Active

Punctal plugs for the delivery of active agents

US9173773B2 · kind B2 · utility

3Cited by

13References

2Claims

0Family size

Assignee

Johnson & Johnson Vision Care, Inc. · US

Inventors

Maureen J. Borgia · Somerville, US
Hassan Chaouk · Atlanta, US
Han Cui · Blacksburg, US
Walter R. Laredo · Fryeburg, US
Zhigang Li · Fryeburg, US
Aruna Nathan · Bound Brook, US
Michael J. Trezza, II · Long Valley, US

Key dates

Filing date	Jun 7, 2007
Grant date	Nov 3, 2015
Priority date	—
Expiry date	Apr 21, 2029

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M31/002
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention provides punctal plugs for the delivery of active agent to one or both of the tear fluid of the eye and to the nasolacrimal duct. The plugs of the invention have a body, a reservoir contained within the body, and optionally a collarette. The reservoir has at least one opening and contains a polymeric material and at least one active agent.

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