	US 12,239,658 B2
	Preservative-free contact lens treating solution comprising hyaluronic acid and erythritol
Vicki Barniak, Fairport, NY (US); Catherine Scheuer, West Henrietta, NY (US); William T. Reindel, Webster, NY (US); John Michael Duex, Livonia, NY (US); and Andrea E. Siverling, Rochester, NY (US)
Assigned to BAUSCH + LOMB IRELAND LIMITED, Dublin (IE)
Filed by Bausch + Lomb Ireland Limited, Dublin (IE)
Filed on Mar. 10, 2022, as Appl. No. 17/691,263.
Claims priority of provisional application 63/159,097, filed on Mar. 10, 2021.
Prior Publication US 2022/0290073 A1, Sep. 15, 2022
Int. Cl. C11D 1/825 (2006.01); A01N 33/12 (2006.01); A01N 37/52 (2006.01); A01P 1/00 (2006.01); A61K 9/00 (2006.01); A61K 31/728 (2006.01); A61K 47/02 (2006.01); A61K 47/10 (2017.01); A61K 47/26 (2006.01); A61L 12/14 (2006.01); A61P 27/04 (2006.01); C11D 1/66 (2006.01); C11D 1/722 (2006.01); C11D 3/00 (2006.01); C11D 3/04 (2006.01); C11D 3/20 (2006.01); C11D 3/22 (2006.01); C11D 3/48 (2006.01)

CPC A61K 31/728 (2013.01) [A01N 33/12 (2013.01); A01N 37/52 (2013.01); A01P 1/00 (2021.08); A61K 9/0048 (2013.01); A61K 47/02 (2013.01); A61K 47/10 (2013.01); A61K 47/26 (2013.01); A61L 12/142 (2013.01); A61L 12/145 (2013.01); A61P 27/04 (2018.01); C11D 1/66 (2013.01); C11D 1/722 (2013.01); C11D 3/0078 (2013.01); C11D 3/046 (2013.01); C11D 3/2065 (2013.01); C11D 3/222 (2013.01); C11D 3/227 (2013.01); C11D 3/48 (2013.01)]

19 Claims

1. A preservative-free contact lens treating solution, comprising consisting of:

(a) about 0.005 to about 2 wt. %, based on the total weight of the preservative-free contact lens treating solution, of hyaluronic acid or a salt thereof;

(b) about 0.01 to about 1 wt. %, based on the total weight of the preservative-free contact lens treating solution, of erythritol;

(d) one or more of sodium chloride and potassium chloride;

(e) one or more buffers selected from the group consisting of boric acid, a salt of boric acid and combinations thereof;

(f) one or more lubricants; and

(g) water.