Wednesday, July 8, 2026

Patent directory · USPTO A61K / A61P

Patents matching “acyclovir”

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

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This filtered view shows 4 pharmaceutical patents matching "acyclovir" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

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4 results for “acyclovir” · 30,257 patents in full index Clear search

  1. US 6849736

    Crystalline forms of valacyclovir hydrochloride

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. · Granted Feb 1, 2005 · Expires Jan 27, 2025

    expired
  2. US 6849737

    Synthesis and purification of valacyclovir

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. · Granted Feb 1, 2005 · Expires Jan 27, 2025

    expired
  3. US 6214811

    Acyclovir diester derivatives

    Drug Innovation & Design, Incorporated · Granted Apr 10, 2001 · Expires Apr 5, 2021

    expired
  4. US 6031096

    Acyclovir diester derivatives

    Drug Innovation & Design, Incorporated · Granted Feb 29, 2000 · Expires Feb 24, 2020

    expired