Will there be patent problems in biopharmaceutical physical and chemical analysis methods

General drugs can only apply for invention patents. Among them, the drug itself is a product patent; Which relates to a method patent of a production process. Both of them can be applied together without lack of oneness, that is to say, through a patent, not only the drug itself is protected, but also the production process and technological method are protected. In addition, you can also apply for the design of pharmaceutical packaging.