Compositions and methods for cleaning contact lenses

Details Compositions and methods for cleaning contact lenses Compositions and methods for cleaning contact lenses

2006-04-04

2006-04-04

Barr, Michael (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

C510S112000, C510S372000, C134S026000, C134S042000, C514S839000, C514S840000

Reexamination Certificate

active

07022654

ABSTRACT:
A composition for disinfecting a contact lens comprising an effective disinfecting amount of hydrogen peroxide and a surfactant comprising a copolymer of hydrophobe and hydrophile blocks the structure:in-line-formulae description="In-line Formulae" end="lead"?HO-(hydrophobe)x-(hydrophile)y-(hydrophobe)x-Hin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?orin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?HO-(hydrophile)y-(hydrophobe)x-(hydrophile)y-Hin-line-formulae description="In-line Formulae" end="tail"?where x and y are integers reflecting the respective hydrophile and hydrophobe blocks of said copolymer; and the hydrophile component of the block copolymer constitutes less than 50 weight percent of the block copolymer. The block copolymer has a Ross-Miles foam height (ASTM designation D-1173-53; 0.1%, at 50° C.) of less than 1 mm.

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