A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
A01N 33/12 (2006.01) A01N 25/30 (2006.01) A01N 47/44 (2006.01) A61L 2/18 (2006.01) A61L 12/14 (2006.01) C11D 1/92 (2006.01) C11D 3/00 (2006.01) G02C 13/00 (2006.01)
Patent
CA 2245174
The present invention provides methods for treating contact lenses and compo- sitions for the same. The present invention includes contacting a lens with an aqueous solution comprising a sulfobetaine compound represented by formula (I) wherein: R1 is an alkyl group having from 8 to 30 carbon atoms, R2 and R3 are individually hydrogen or alkyl groups having from 1 to 4 carbon atoms, and R4 is an alkyl group having from 2 to 6 carbon atoms. In preferred embodiments of the invention, the subject compounds are used in combination with antimicrobial agents for providing simultaneous disinfection and cleaning of contact lenses.
Procédés de traitement de lentilles cornéennes et compositions correspondantes. L'invention consiste à mettre une lentille en contact avec une solution aqueuse comportant un composé de sulfobétaïne de formule (I), dans laquelle R1 est un groupe alkyle comptant de 8 à 30 atomes de carbone, R2 et R3 sont indépendamment hydrogène ou groupes alkyle ayant de 1 à 4 atomes de carbone, et R4 est un groupe alkyle ayant de 2 à 6 atomes de carbone. Selon les modes de réalisation préférés de l'invention, les composés traités sont utilisés en association avec des agents antimicrobiens pour assurer simultanément la désinfection et le nettoyage des lentilles cornéennes.
Groemminger Suzanne F.
Heiler David J.
Bausch & Lomb Incorporated
Osler Hoskin & Harcourt Llp
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