Patent · US Expired

Ophthalmic and otorhinolaryngological device materials

US6806337B2 · kind B2 · utility

35Cited by

9References

13Claims

0Family size

Assignee

ALCON INC. · CH

Inventors

Douglas C. Schlueter · Azle, US
Albert R. LeBoeuf · Burleson, US
Mutlu Karakelle · Fort Worth, US

Key dates

Filing date	Jul 15, 2003
Grant date	Oct 19, 2004
Priority date	—
Expiry date	Jul 15, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F222/102
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed are soft, high refractive index, acrylic device materials having improved strength. The materials contain cross-linked acrylate or methacrylate microspheres.

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