1. A composition comprising:
an effective disinfecting amount of stearyl dihydroxypropyldimonium oligosaccharide in an ophthalmically acceptable aqueous solution.
2. The composition of claim 1 wherein said effective disinfecting amount is about 0.0001 to about 10 weight percent.
3. The composition of claim 1 further comprising one or more aminoalcohol buffers and one or more tonicity agents.
4. The composition of claim 3 wherein said one or more aminoalcohol buffers
are selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, 2-amino-2-methyl-1,3-propanediol, 2-dimethylamino-2-methyl-1-propanediol, 2-amino-2-ethylpropanol, 2-amino-1-butanol and 2-amino-2-methyl-1-propanol.
5. The composition of claim 3 wherein said one or more aminoalcohol buffers
are present in about 0.02 to about 3.0 percent by weight.
6. The composition of claim 3 wherein said one or more tonicity agents are
selected from the group consisting of sodium chloride, potassium chloride, dextrose, mannose, glycerin, calcium chloride and magnesium chloride.
7. The composition of claim 3 wherein said one or more tonicity agents are
present in about 0.01 to about 3.0 percent by weight.
8. The composition of claim 3 wherein said one or more tonicity agents are
present in an amount to provide a final osmotic value of about 200 to about 450 mOsmkg.
9. A method of producing the composition of claim 1 comprising:
combining an effective disinfecting amount of stearyl dihydroxypropyldimonium oligosaccharide with water to form a solution, wherein the solution is ophthalmically safe.
10. The method of claim 9 wherein said effective disinfecting amount is about 0.0001 to about 10 weight percent.
11. The method of claim 9 further comprising one or more aminoalcohol buffers and one or more tonicity agents.
12. The method of claim 9 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein said one or more aminoalcohol buffers are selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, 2-amino-2-methyl-1,3-propanediol, 2-dimethylamino-2-methyl-1-propanediol, 2-amino-2-ethylpropanol, 2-amino-1-butanol and 2-amino-2-methyl-1-propanol.
13. The method of claim 9 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein said one or more aminoalcohol buffers are present in about 0.02 to about 3.0 percent by weight.
14. The method of claim 9 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein said one or more tonicity agents are selected from the group consisting of sodium chloride, potassium chloride, dextrose, mannose, glycerin, calcium chloride and magnesium chloride.
15. The method of claim 9 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein said one or more tonicity agents are present in about 0.01 to about 3.0 percent by weight.
16. The method of claim 9 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein said one or more tonicity agents are present in an amount to provide a final osmotic value of about 200 to about 450 mOsmkg.
17. The method of claim 9 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein an additional buffer or buffering system is present.
18. A solution comprising an amount of stearyl dihydroxypropyldimonium oligosaccharide and water wherein the solution is ophthalmically safe.
19. The solution of claim 18 wherein said effective disinfecting amount is about 0.0001 to about 10 weight percent.
20. The solution of claim 18 further comprising one or more aminoalcohol buffers and one or more tonicity agents.
21. The solution of claim 18 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein said one or more aminoalcohol buffers are selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, 2-amino-2-methyl-1,3-propanediol, 2-dimethylamino-2-methyl-1-propanediol, 2-amino-2-ethylpropanol, 2-amino-1-butanol and 2-amino-2-methyl-1-propanol.
22. The solution of claim 18 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein said one or more aminoalcohol buffers are present in about 0.02 to about 3.0 percent by weight.
23. The solution of claim 18 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein said one or more tonicity agents are selected from the group consisting of sodium chloride, potassium chloride, dextrose, mannose, glycerin, calcium chloride and magnesium chloride.
24. The solution of claim 18 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein said one or more tonicity agents are present in about 0.01 to about 3.0 percent by weight.
25. The solution of claim 18 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein said one or more tonicity agents are present in an amount to provide a final osmotic value of about 200 to about 450 mOsmkg.
26. The solution of claim 18 further comprising one or more aminoalcohol buffers and one or more tonicity agents wherein an additional buffer or buffering system is present.
27. A method of desinfecting a contact lens comprising:
contacting a contact lens with an ophthalmically safe aqueous solution comprising dihydroxypropyldimonium oligosaccharide for a period of time suitable to reduce or eliminate a microbial burden on said contact lens.
28. A composition for treating a contact lens comprising:
an effective amount of dihydroxypropyldimonium oligosaccharide in an ophthalmically safe aqueous solution.
29. The composition of claim 28 wherein said effective amount is about 0.0001 to about 10 weight percent.
30. A composition for disinfecting a contact lens comprising:
a disinfecting amount of dihydroxypropyldimonium oligosaccharide in an ophthalmically safe aqueous solution.
31. The composition of claim 30 wherein said disinfecting amount is about 0.0001 to about 10 weight percent.
32. A composition for preserving a contact lens comprising:
a preservative amount of dihydroxypropyldimonium oligosaccharide in an ophthalmically safe aqueous solution.
33. The composition of claim 32 wherein said preservative amount is about 0.0001 to about 10 weight percent.
34. The composition of claim 28, 30 or 32 further comprising one or more aminoalcohol buffers and one or more tonicity agents.
35. The composition of claim 28, 30 or 32 further comprising one or more aminoalcohol buffers selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, 2-amino-2-methyl-1,3-propanediol, 2-dimethylamino-2-methyl-1-propanediol, 2-amino-2-ethylpropanol, 2-amino-1-butanol and 2-amino-2-methyl-1-propanol.
36. The composition of claim 28, 30 or 32 further comprising one or more aminoalcohol buffers present in about 0.02 to about 3.0 percent by weight.
37. The composition of claim 28, 30 or 32 further comprising one or more tonicity agents selected from the group consisting of sodium chloride, potassium chloride, dextrose, mannose, glycerin, calcium chloride and magnesium chloride.
38. The composition of claim 28, 30 or 32 further comprising one or more tonicity agents present in about 0.01 to about 3.0 percent by weight.
39. The composition of claim 28, 30 or 32 further comprising one or more tonicity agents present in an amount to provide a final osmotic value of about 200 to about 450 mOsmkg.
40. The composition of claim 28, 30 or 32 further comprising a buffer or buffering system.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A flotation apparatus comprising:
a plurality of axially elongated flotation elements; and
a flexible web having a plurality of slits therethrough for accommodating said plurality of elongated flotation elements as a woven array, wherein said plurality of axially elongated flotation elements are retained in a predetermined spatial relationship with respect to each other.
2. The flotation apparatus of claim 1, wherein the predetermined spatial relationship of the array of axially elongated flotation elements is substantially parallel along the contour of said flexible web.
3. The flotation apparatus of claim 1, wherein the slits in said plurality of slits are reinforced to prevent tearing of said flexible web.
4. The flotation apparatus of claim 3, wherein said plurality of slits are arranged in respectively associated pairs of slits and oriented in inverted manner with respect to one another within said associated pairs to form a supportive web region between each of the slits of such respectively associated pairs of slits.
5. The flotation apparatus of claim 1, wherein said plurality of slits each have an S-like configuration.
6. The flotation apparatus of claim 1, wherein said plurality of slits each have a wave-like configuration.
7. The flotation apparatus of claim 1, wherein said axially elongated flotation elements are configured as noodles.
8. The flotation apparatus of claim 7, wherein the noodles are formed of foamed polyethylene.
9. The flotation apparatus of claim 7, wherein the noodles are formed of foamed polypropylene.
10. The flotation apparatus of claim 1, wherein said flexible web is formed of foamed polyethylene.
11. The flotation apparatus of claim 1, wherein said flexible web is formed of foamed polypropylene.
12. A construction toy system comprising:
a plurality of axially elongated noodle elements; and
first and second flexible webs arranged to overlie one another and being affixed to one another to form elongated pockets that accommodate respective ones of said plurality of axially elongated noodle elements.
13. The construction toy system of claim 12, wherein at least one of said first and second flexible webs has a decorative aperture there through.
14. The construction toy system of claim 12, wherein at least one of said first and second flexible webs has a plurality of slits therethrough for enabling at least one of said axially elongated noodle elements to be woven through said plurality of slits.
15. The construction toy system of claim 12, wherein the slits in said first and second flexible webs are affixed to one another by stitching.
16. A construction toy system comprising:
first and second noodle elements; and
at least one flexible web element having an elongated central portion with first and second slits therethrough for accommodating respective ones of first and second end terminations of said flexible web element after wrapping around respective ones of said first and second noodle elements.
17. The construction toy system of claim 16, wherein the first and second end terminations of said flexible web element are integrally formed with said flexible web element.
18. The construction toy system of claim 17, wherein the first and second end terminations of said flexible web element have a substantially round configuration.
19. The construction toy system of claim 16, wherein said flexible web element is dimensioned so as to wrap snugly around the respective ones of said first and second noodle elements.
20. The construction toy system of claim 16, wherein there are further provided a third noodle element and a second flexible web element, said second flexible web element wrapping around respective ones of said second and third noodle elements.