Polyquaternium-1 synthesis methods and associated formulations

Details Polyquaternium-1 synthesis methods and associated formulations Polyquaternium-1 synthesis methods and associated formulations

A - Human Necessities

61

L

A61L 12/14 (2006.01)

Patent

CA 2759876

A multipurpose solution for contact lens care, comprising: an aqueous liquid medium; a quaternary ammonium polymer having an average molecular weight as determined by the proton NMR method of at least 28k, and methods for making the same.

La présente invention concerne une solution multi-usage de soins pour lentilles de contact, comprenant les éléments suivants : un milieu liquide aqueux; un polymère d'ammonium quaternaire présentant un poids moléculaire moyen, tel que déterminé par le procédé de RMN des protons, d'au moins 28 k. L'invention porte en outre sur des procédés de préparation de celle-ci.

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