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. 2021 Apr 7:1–12. doi: 10.1080/03639045.2021.1908343

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Figure 2. — Number of patents. (A) Publication date. (B) Country according to the Patent Publication Location – WO: World Intellectual Patent Organization; CN: China; EP: European Patent Office. (C) Patent applicant. (D) International Patent Class (IPC) – A61K: Preparations for medical, dental, or toilet purposes; C07H: Sugars; derivatives thereof; nucleosides; nucleotides; C07K: Peptides.