Ophthalmic solutions
First Claim
Patent Images
1. A method of imparting antimicrobial activity to an aqueous ophthalmic contact lens solution comprising:
- adding to said solution from about 0.00001% to about 3.0% by weight/volume of α
-4-[1-tris(2-hydroxyethyl) ammonium chloride-2-butenyl] poly[1-dimethyl ammonium chloride-2-butenyl]-w-tris (2-hydroxyethyl) ammonium chloride as an antimicrobial agent.
2 Assignments
0 Petitions
Accused Products
Abstract
This invention relates to the quaternary ammonium salt, α-4-[-tris (2-hydroxyethyl) ammonium chloride-2-butenyl] poly[1-dimethyl ammonium chloride-2-butenyl]-w-tris (2-hydroxyethyl) ammonium chloride, providing aqueous disinfecting solutions for contact lenses as well as a preservative for ocular solutions including contact lens treating solutions.
-
Citations
17 Claims
-
1. A method of imparting antimicrobial activity to an aqueous ophthalmic contact lens solution comprising:
adding to said solution from about 0.00001% to about 3.0% by weight/volume of α
-4-[1-tris(2-hydroxyethyl) ammonium chloride-2-butenyl] poly[1-dimethyl ammonium chloride-2-butenyl]-w-tris (2-hydroxyethyl) ammonium chloride as an antimicrobial agent.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
14. A method of disinfecting a contact lens comprising:
contacting said lens with a solution comprising from about 0.001% to about 0.01% by weight/volume of α
-4-[1-tris(2-hydroxyethyl ammonium chloride-2-butenyl] poly[1-dimethyl ammonium chloride-2-butenyl]-w-tris (2-hydroxyethyl) ammonium chloride as an antimicrobial agent.- View Dependent Claims (15, 16, 17)
Specification