The independent patents Granted in China：CN 2013106162537 (90 pages) and ZL2019 8 0041025.7 (279 pages)
The independent core PCT patents; one PCT patent was submitted [WO2019242691, 279 pages, enter US (US20210228530, 315 pages) and Europe (EP3812376A1)], and will be granted soon
30 more PCT patents are being planned for submission according to the pipeline proceeding strategy
1. The invented preparation methods of functionalized polysaccharides :
Two or more types of functional groups were simultaneously covalently attached to polysaccharides;
2. The invented preparation methods for drug conjugations:
Two or more types of drugs with different chemical structure were simultaneously covalently attached to polysaccharides
3. By employing polysaccharides as carriers,the dual conjugation methods and the expandable coupling methods were invented in use for modular dual coupling technology.