Which 23 patents did Pycnogenol obtain?

Pycnogenol has obtained 23 international patents, including the patent for extracting pycnogenol from the bark of Langde pine and the patent for protecting the production process of pycnogenol from the bark of Langde pine. Pycnogenol has obtained 23 international patents, including the patent for extracting pycnogenol from the bark of Langde pine and the patent for protecting the production process of pycnogenol from the bark of Langde pine. In addition, Pycnogenol has obtained patent protection in the United States, China, the world and other different countries and regions. These patents cover the extraction, preparation and application of Pycnogenol, which provides a solid guarantee for its intellectual property protection.