Wednesday, July 8, 2026

Patent directory · USPTO A61K / A61P

Patents matching “amino acids”

28 pharma patents match "amino acids" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.

Matches 28
Index total 30,257
Page 2 / 2

Quick answer

This filtered view shows 28 pharmaceutical patents matching "amino acids" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

28 results for “amino acids” · 30,257 patents in full index Clear search

  1. US 6716860

    Azo amino acids derivatives

    Vertex Pharmaceuticals Incorporated · Granted Apr 6, 2004 · Expires Apr 1, 2024

    expired
  2. US 6528533

    Azo amino acids derivatives

    Vertex Pharmaceuticals Incorporated · Granted Mar 4, 2003 · Expires Feb 27, 2023

    expired
  3. US 6274557

    Inhibition of nitric oxide synthase by amino acids and dipeptides

    Northwestern University · Granted Aug 14, 2001 · Expires Aug 9, 2021

    expired
  4. US 6262335

    Transgenic mice expressing APP mutant at amino acids 717, 721 and 722

    Regents of the University of Minnesota · Granted Jul 17, 2001 · Expires Jul 12, 2021

    expired