Provectus Biopharmaceuticals and VisiRose Announce U.S. Patent Award for Light-Independent Antibacterial Eye Drop Targeting Drug-Resistant Ocular Infections
KNOXVILLE, Tenn., June 30, 2026 (GLOBE NEWSWIRE) -- Provectus Biopharmaceuticals, Inc. (“Provectus” or the “Company”) (OTCQB: PVCT), a clinical-stage biotechnology company developing pharmaceutical grade rose bengal sodium (“RBS”) active pharmaceutical ingredient (“API”) as a platform therapeutic, and VisiRose, Inc. (“VisiRose”), Provectus’s clinical-stage ophthalmology subsidiary, today announced the issuance of U.S. Patent No. 12,661,335, titled “Halogenated Xanthene-Containing Topical Anti-
KNOXVILLE, Tenn., June 30, 2026 (GLOBE NEWSWIRE) -- Provectus Biopharmaceuticals, Inc. (“Provectus” or the “Company”) (OTCQB: PVCT), a clinical-stage biotechnology company developing pharmaceutical grade rose bengal sodium (“RBS”) active pharmaceutical ingredient (“API”) as a platform therapeutic, and VisiRose, Inc. (“VisiRose”), Provectus’s clinical-stage ophthalmology subsidiary, today announced the issuance of U.S. Patent No. 12,661,335, titled “Halogenated Xanthene-Containing Topical Anti-Gram-Positive Bacterial Ophthalmic Composition and Method.” The patent covers a topical eye drop formulation of RBS API for treating Gram-positive bacterial keratitis, including drug-resistant strains such as MRSA and vancomycin-resistant Enterococcus.
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