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.:
Date of Patent:
Jul. 20, 2021
Filed:
Mar. 22, 2019
Applicant:
Bausch & Lomb Incorporated, Rochester, NY (US);
Inventors:
James Anthony DiBella, Jr., Macedon, NY (US);
George L. Grobe, III, Ontario, NY (US);
Alok Kumar Awasthi, Pittsford, NY (US);
Assignee:
Bausch & Lomb Incorporated, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/04 (2006.01); B29D 11/00 (2006.01); C08J 7/06 (2006.01); G02B 1/04 (2006.01); A61L 12/08 (2006.01); A61L 12/12 (2006.01); B29L 11/00 (2006.01); C08F 290/06 (2006.01);
U.S. Cl.
CPC ...
C08J 7/065 (2013.01); B29D 11/00038 (2013.01); G02B 1/043 (2013.01); G02C 7/04 (2013.01); A61L 12/086 (2013.01); A61L 12/124 (2013.01); B29L 2011/0041 (2013.01); C08F 290/068 (2013.01);
Abstract
A method for preparing an ophthalmic device containing an ultraviolet (UV) blocker is disclosed. The method involves (a) soaking an ophthalmic device in one or more first solvent solutions to swell the ophthalmic device; (b) soaking the swelled ophthalmic device in one or more second solvents solutions comprising a UV blocker to de-swell the ophthalmic device and entrap the UV blocker in the ophthalmic device, wherein the UV blocker is a benzotriazole and (c) sterilizing the de-swelled ophthalmic device.