Wednesday, July 8, 2026

Patent directory · USPTO A61K / A61P

Patents matching “ascorbic acid”

3 pharma patents match "ascorbic acid" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.

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This filtered view shows 3 pharmaceutical patents matching "ascorbic acid" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

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3 results for “ascorbic acid” · 30,257 patents in full index Clear search

  1. US 8197838

    Sustained release systems of ascorbic acid phosphate

    Advanced Technologies and Regenerative Medicine, LLC · Granted Jun 12, 2012 · Expires Jun 7, 2032

    granted
  2. US 8034363

    Sustained release systems of ascorbic acid phosphate

    Advanced Technologies and Regenerative Medicine, LLC · Granted Oct 11, 2011 · Expires Oct 6, 2031

    granted
  3. US 6426076

    Ascorbic acid as an adjuvant in the treatment of malignant tumors using chemotherapy and radiotherapy

    PASCO Pharmazeutische Präparate GmbH · Granted Jul 30, 2002 · Expires Jul 25, 2022

    expired