USPTO Patent Granted for Topical Analgesic Gel Compositions

ChangeBridge: Patent Grants - Pharma (A61K)

Published March 24th, 2026

Detected March 25th, 2026

Summary

The USPTO has granted a patent (US12582615B2) to Bayer HealthCare LLC for topical analgesic gel compositions. The patent covers formulations with high payloads of menthol and camphor, utilizing micro-emulsion technology.

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What changed

The United States Patent and Trademark Office (USPTO) has granted patent US12582615B2 to Bayer HealthCare LLC for topical analgesic gel compositions. The patent specifically covers formulations that achieve relatively high payloads of menthol (12-16 wt.%) and camphor (4-8 wt.%) through micro-emulsion technology. These compositions also include carbomer and a solvent, with a specified viscosity range of 60,000 to 110,000 centipoise.

This patent grant signifies a new intellectual property asset for Bayer HealthCare LLC in the pharmaceutical sector, particularly concerning topical pain relief products. While this is a patent grant and not a regulatory rule, it may influence future product development and market entry strategies for similar analgesic formulations. Compliance officers in the pharmaceutical industry should note this development as it pertains to patent landscapes and potential competitive products.

Source document (simplified)

← USPTO Patent Grants

Topical analgesic gel compositions

Grant US12582615B2 Kind: B2 Mar 24, 2026

Assignee

Bayer HealthCare LLC

Inventors

Debanjan Das, Emanuel Vizzotti, Thomas Dann, Renee Nelson, Courtney C. Haynes, Soundarya Vaithianathan, Reginald Bradley, Reinhard Walter, Gerard Meisel

Abstract

Provided are topical analgesic gel compositions having relatively high payloads of menthol and camphor by micro-emulsion technology and methods of preparing topical analgesic gel compositions having relatively high payloads of menthol and camphor. Topical analgesic gel compositions may include from 12 to 16 wt. % menthol; from 4 to 8 wt. % camphor; from 0.1 to 2 wt. % carbomer; and 60 to 70 wt. % solvent. Topical analgesic gel compositions can have a viscosity from 60,000 to 110,000 centipoise.