Patent · US Active

Ophthalmic devices for delivery of beneficial agents

US9161598B2 · kind B2 · utility

3Cited by

0References

14Claims

0Family size

Assignee

COOPERVISION INTERNATIONAL LIMITED · GB

Inventors

Victoria Rogers · Pleasanton, US
Andrew Luk · Castro Valley, US
Arthur Back · Danville, US
Samuel Zalipsky · Redwood City, US

Key dates

Filing date	Dec 18, 2013
Grant date	Oct 20, 2015
Priority date	—
Expiry date	Mar 15, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG02C7/049
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Contact lenses comprising phosphorylcholine groups release beneficial polyionic or guanidinium-containing agents.

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