The difference between the two:
1. Patent of pharmaceutical composition Patent of pharmaceutical composition is the patent protection of pharmaceutical active ingredients consisting of two or more compounds, such as compound preparations of chemical drugs and extracts of traditional Chinese medicines. For the patent of composition, in addition to the components of the composition, the description should also record the chemical and/or physical state of each component, the optional range of each component, the content range of each component and its influence on the performance of the composition.
2. Patent of pharmaceutical compounds Patent of pharmaceutical compounds generally refers to the patent applied by API. Most patents of pharmaceutical compounds need to use the name of the compound or the structural formula or molecular formula of the compound to indicate the scope of patent protection. Pharmaceutical compounds generally include inorganic compounds, organic compounds and polymer compounds, collectively referred to as "chemical substances".
Because the patents of pharmaceutical methods and pharmaceutical uses involve specific compounds, the protection scope of pharmaceutical compound patents is wide, and most of the original drug protection compounds are to limit the imitation of competitors.