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US 2003/0190258 A1Published application
Ophthalmic and contact lens solutions using low molecular weight amines
AssigneeFXS Ventures, LLC
InventorFrancis X. Smith
Life of this patent
Estimating the term…
Abstract
The present invention relates to a lens care solution comprising: 0.001 to about 5 weight percent of a low molecular weight amine of the general formula: 1 Where R1, R2, R3 and R4 are —H or low molecular weight radicals, and R5 is a low molecular weight radical, or salt thereof; an effective amount of tonicity agent; and the balance water.
Claims25
A lens care solution comprising:
- 0.001 to about 5 weight percent of a low molecular weight amine of the general formula;
- 5
- Where R1, R2, R3 and R4 are —H or low molecular weight radicals, and R5 is a low molecular weight radical, or salts thereof;
- and the balance water.
1 more element
A lens care solution comprising:
- 0.001 to about 5 weight percent of a low molecular weight amine of the general formula:
- 8
- Where R1, R2, R3 and R4 are —H or low molecular weight radicals, and R5 is a low molecular weight radical, or salts thereof;
- an effective amount of tonicity agent;
- and
- the balance water
3 more elements
A lens care solution comprising:
- 0.001 to about 5 weight percent of a low molecular weight amine of the general formula:
- 9
- Where R1, R2, R3 and R4 are —H or low molecular weight radicals, and R5 is a low molecular weight radical, or salts thereof;
- an effective amount of a preservative agent;
- and
- the balance water
3 more elements
A method for treating a contact lens in order to decrease its affinity to protein deposition which comprises the step of:
- Soaking a contact lens in an aqueous solution comprising 0.001 to 5 weight percent a low molecular weight amine of the general formula:
- 10
- where R3 and R4 are low molecular weight radicals;
- and R1 and R2 are —H or low molecular weight radicals;
- where R1, R2, R3 and R4 can be chosen from the following groups or salts thereof;
- 11 12
3 more elements
An ophthalmic product comprising:
- At least one contact lens;
- A contact lens container;
- and
- Sufficient contact lens solution to wet said contact lens where said solution comprises:
- 0.001 to about 5 weight percent of a low molecular weight amine of the general formula:
- 13
- Where R1, R2, R3 and R4 are —H or low molecular weight radicals, and R5 is a low molecular weight radical, or salts thereof;
- and the balance water
5 more elements
Dependencies are inferred from the claim text.