Aminopyridine compound as aldehyde trapping agent

USPTO issued Patent US12595259B2 granting Zhuhai United Laboratories Co., Ltd. exclusive rights to an aminopyridine compound for aldehyde trapping applications. The patent contains 18 claims covering the compound of formula (I), its salts, and pharmaceutical compositions. Filing date was June 17, 2021, with the patent now formally granted.

For pharmaceutical companies and drug manufacturers, this patent establishes IP protection for a specific aminopyridine-based aldehyde trapping agent with ophthalmic applications (A61P 27/00, A61P 27/04). Parties developing competing aldehyde trapping agents or ophthalmic therapeutics should assess freedom-to-operate implications to avoid infringement on the granted claims.