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:
Sep. 15, 2026
Filed:
Jan. 25, 2024
Bausch + Lomb Ireland Limited, Dublin, IE;
Feng-Yang Shih, Rochester, NY (US);
Mohammad Vatankhah Varnosfaderani, Rochester, NY (US);
Alok Kumar Awasthi, Pittsford, NY (US);
BAUSCH + LOMB IRELAND LIMITED, Dublin, IE;
Abstract
A method for preparing a contact lens containing an ultraviolet (UV) blocker is disclosed. The method involves (a) polymerizing a monomeric mixture comprising (i) one or more contact lens-forming comonomers, and (ii) one or more UV blockers comprising a phenolic group having a protected hydroxyl moiety and one or more ethylenically unsaturated reactive groups to obtain a polymerization product comprising the one or more UV blockers comprising a phenolic group having a protected hydroxyl moiety, and (b) deprotecting the protected hydroxyl moiety of the one or more UV blockers of the polymerization product.