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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12239658 B1

PDFFull Text
Date of Patent:
Mar. 04, 2025

Filed:

Mar. 10, 2022

Preservative-free contact lens treating solution comprising hyaluronic acid and erythritol

Applicant:

Bausch + Lomb Ireland Limited, Dublin, IE;

Inventors:

Vicki Barniak, Fairport, NY (US);

Catherine Scheuer, West Henrietta, NY (US);

William T. Reindel, Webster, NY (US);

John Michael Duex, Livonia, NY (US);

Andrea E. Siverling, Rochester, NY (US);

Assignee:

BAUSCH + LOMB IRELAND LIMITED, Dublin, IE;

Attorneys:

Michael E. Carmen

John E. Thomas

Primary Examiner:

Charles I Boyer

Int. Cl.
CPC ...
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);
U.S. Cl.
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);
Abstract

A preservative-free contact lens treating solution includes (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; (c) one or more nonionic surfactants; (d) sodium chloride, potassium chloride or any combination thereof; and (e) one or more buffers.

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