Patent · US Active

High refractive index, acrylic ophthalmic device materials with reduced glistenings

US8449610B2 · kind B2 · utility

11Cited by

15References

20Claims

0Family size

Assignee

Novartis AG · CH

Inventors

Walter R. Laredo · Fryeburg, US
Charles Freeman · Kennewick, US
Thomas A. Callaghan · Fort Worth, US

Key dates

Filing date	Jun 20, 2011
Grant date	May 28, 2013
Priority date	—
Expiry date	Nov 25, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2430/16
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

High refractive index copolymers with reduced glistenings are disclosed. The copolymers, which are particularly suitable for use as ophthalmic device materials, comprise a high molecular weight, reactive, linear polyethylene glycol component.

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