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US 6,207,628 B1Granted
Aqueous solution
AssigneeEssilor International (Compagnie Generale d'Optique)
InventorsPatrice Soyer, Arila Pochet
Life of this patent
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Abstract
The aqueous maintenance solution according to the invention is characterized by the presence of an effective amount of polyethylene glycol 120 methylglucose dioleate. Application: to aqueous maintenance solutions for hard contact lenses.
Claims60
An aqueous solution comprising:
- polyethylene glycol 120 methylglucose dioleate of formula:
- in which x+y=120;
- a decontaminating agent selected from the group consisting of chlorhexidine and the water-soluble salts thereof;
- polyhexamethylene biguanide and the water-soluble salts thereof;
- quaternary ammonium salts;
- and mixtures thereof, wherein the decontaminating agent is present in an amount effective to decontaminate a contact lens;
- a tonicity agent;
- and
- a buffer.
6 more elements
An aqueous solution comprising:
- polyethylene glycol 120 methylglucose dioleate of formula:
- in which x+y=120;
- a decontaminating agent selected from the group consisting of chlorhexidine and the water-soluble salts thereof;
- polyhexamethylene biguanide and the water-soluble salts thereof;
- quaternary ammonium salts;
- and mixtures thereof, wherein the decontaminating agent is present in an amount effective to decontaminate a contact lens;
- a surfactant;
- a sequestering agent;
- a tonicity agent;
- and
- a buffer.
8 more elements
An aqueous solution comprising:
- polyethylene glycol 120 methylglucose dioleate of formula:
- in which x+y=120;
- a decontaminating agent, wherein the decontaminating agent is present in an amount effective to decontaminate a contact lens;
- a sequestering agent;
- a tonicity agent;
- and
- a buffer.
4 more elements
An aqueous solution comprising;
- polyethylene glycol 120 methylglucose dioleate of formula;
- in which x+y=120;
- a decontaminating agent comprising a mixture of polyhexamethylene biguanide or a water-soluble salt thereof and one or more alkylammonium halides, wherein the decontaminating agent is present in an amount effective to decontaminate a contact lens;
- a tonicity agent;
- and
- a buffer.
3 more elements
The aqueous solution of claim 49, wherein the alkylammonium halide is cetrimonium bromide.
Dependencies are inferred from the claim text.