Contact lens packaging solutions containing hydrophilic polymers endcapped with a hydrophilic and a hydrophobic group

US11492189B2 · kind B2 · utility

Assignee

• BAUSCH & LOMB INCORPORATED · US

Inventors

• Analuz Mark · Spencerport, US
• Ivan M. Nunez · Jacksonville, US
• Vicki Barniak · Fairport, US
• Jennifer Hunt · Lake Grove, US
• Lynn Coullard · Williamson, US
• Keyla M. Cubi · Rochester, US

Key dates

• Filing date: Jan 28, 2020
• Grant date: Nov 8, 2022
• Expiry date: Oct 4, 2040

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S134/901
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A packaging system for the storage of an ophthalmic device is disclosed. The packaging system comprises a sealed container containing one or more unused ophthalmic devices immersed in an aqueous packaging solution comprising one or more hydrophilic polymers or copolymers comprising hydrophilic units and endcapped with a hydrophobic end group and a hydrophilic end group, wherein the solution has an osmolality of at least about 200 mOsm/kg, a pH of about 6 to about 9 and is heat sterilized.