Wednesday, July 8, 2026

Patent directory · USPTO A61K / A61P

Patents matching “metformin hydrochloride”

2 pharma patents match "metformin hydrochloride" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.

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This filtered view shows 2 pharmaceutical patents matching "metformin hydrochloride" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

2 results for “metformin hydrochloride” · 30,257 patents in full index Clear search

  1. US 10668021

    Metformin hydrochloride osmotic pump tablet and preparation method therefor

    ELITE PHARMA TECHNOLOGY (SHANGHAI) CO., LTD. · Granted Jun 2, 2020 · Expires May 28, 2040

    granted
  2. US 8900638

    Solid preparation comprising alogliptin and metformin hydrochloride

    Takeda Pharmaceutical Company Limited · Granted Dec 2, 2014 · Expires Nov 27, 2034

    granted