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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 12419990 B1

PDFFull Text
Date of Patent:
Sep. 23, 2025

Filed:

Nov. 16, 2018

Ophthalmic viscoelastic compositions

Applicant:

Bausch & Lomb Incorporated, Rochester, NY (US);

Inventors:

Kimberly Anne Millard, Rochester, NY (US);

Madhu Ayyagari, Rancho Santa Margarita, CA (US);

Erning Xia, Penfield, NY (US);

Bill Reindel, Webster, NY (US);

Assignees:

BAUSCH & LOMB INCORPORATED, Rochester, NY (US);

The United States of America, as Represented by the Secretary, Department of Health and Human Services, Bethesda, MD (US);

Attorneys:

Michael E. Carmen

John E. Thomas

Primary Examiner:

Gigi G Huang

Int. Cl.
CPC ...
A61K 47/36 (2006.01); A61F 9/00 (2006.01); A61F 9/007 (2006.01); A61K 47/02 (2006.01); A61K 47/18 (2017.01); A61L 27/02 (2006.01); A61L 27/12 (2006.01); A61L 27/20 (2006.01); A61L 27/36 (2006.01); A61L 31/04 (2006.01); A61L 31/14 (2006.01);
U.S. Cl.
CPC ...
A61L 27/20 (2013.01); A61F 9/0017 (2013.01); A61F 9/00754 (2013.01); A61L 27/025 (2013.01); A61L 27/12 (2013.01); A61L 27/3637 (2013.01); A61L 31/042 (2013.01); A61L 31/143 (2013.01); A61K 47/02 (2013.01); A61K 47/18 (2013.01); A61K 47/36 (2013.01); A61L 2400/06 (2013.01); A61L 2400/16 (2013.01); A61L 2430/16 (2013.01);
Abstract

A viscoelastic composition is disclosed which comprises (a) tris(hydroxymethyl)aminomethane or a salt thereof; (b) a phosphate buffer agent; and (c) a viscoelastic agent having an average molecular weight of about 100 to about 5,000,000.

Find Patent Forward Citations

Millard, Kimberly. (2025). Ophthalmic viscoelastic compositions (U.S. Patent No. 12419990). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12419990

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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