Claims
- 1. Use of an anionic surfactant having at least two hydrophilic dissociating head group to clean contact lenses.
- 2. A composition for cleaning contact lenses, comprising an effective amount of an anionic surfactant having at least two hydrophilic dissociating head groups.
- 3. A composition according to claim 2, wherein the surfactant is selected from the group consisting of:
(a) amphoglycinates of the following formula: 7wherein R is a straight or branched alkyl or alkenyl group containing a total of from 8 to 18 carbon atoms; (b) alkyl iminodiacetates of the following formula: 8wherein R is as defined above; (c) alkyl glutamates of the following formula: 9wherein R is as defined above; and (d) ethylene diaminetriacetates of the following formula: 10wherein R is as defined above.
- 4. A composition according to claim 3, wherein R is C9 or C10 alkyl.
- 5. A composition according to claim 3, wherein the surfactant comprises an ethylene diaminetriacetate of formula (IV).
- 6. A composition according to claim 5, wherein the ethylene diaminetriacetate comprises LED3A.
CLAIM FOR PRIORITY
[0001] This application claims priority from U.S. S. No. 60/436,163, filed Dec. 23, 2002.
Provisional Applications (1)
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Number |
Date |
Country |
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60436163 |
Dec 2002 |
US |