Use of multifunctional surface active agents to clean...

Details Use of multifunctional surface active agents to clean... Use of multifunctional surface active agents to clean...

C - Chemistry, Metallurgy

11

D

C11D 1/10 (2006.01) C11D 1/83 (2006.01) C11D 3/48 (2006.01) A61L 12/14 (2006.01)

Patent

CA 2507377

Cleaning compositions for contact lenses are described. The compositions contain multifunctional anionic surfactants that include at least two hydrophilic dissociating head groups. The multifunctional surfactants described (e.g., LED3A) possess both surface active and chelating properties, and have been found to be particularly effective in removing protein deposits from contact lenses.

La présente invention concerne des compositions de nettoyage destinées à des lentilles de contact. Les compositions renferment des tensioactifs multifonctionnels qui comprennent au moins deux têtes polaires de dissociation hydrophiles. Les tensioactifs multifonctionnels selon la présente invention (par exemple, LED3A) présentent à la fois des propriétés d'activité en surface et de chélation, on a en outre remarqué qu'ils sont particulièrement efficaces pour éliminer les dépôts protéiques se trouvant sur les lentilles de contact.

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