Sinovac Research & Development Co ltd:
Recombinant protein vaccine for SARS-CoV-2 and its preparation method

https://patents.google.com/patent/CN113248575A/en

See also

https://patents.google.com/patent/WO2021209060A1

Screenshots:

https://patents.neocities.org/Sinovac/001-Sequence.png

https://patents.neocities.org/Sinovac/002-Eukaryotic-Cell-Expression-Vector1.png

https://patents.neocities.org/Sinovac/003-Eukaryotic-Cell-Expression-Vector2.png

https://patents.neocities.org/Sinovac/004-CHO-cell.png

https://patents.neocities.org/Sinovac/005-pCHO1.0-vector.png

https://patents.neocities.org/Sinovac/006-Spike-Protein.png

https://patents.neocities.org/Sinovac/007-Insect-Cells.jpg

https://patents.neocities.org/Sinovac/008-S-Glycoprotein.png

https://patents.neocities.org/Sinovac/009-Aluminum-hydroxide.png

https://patents.neocities.org/Sinovac/010-Amino-Acid-sequence-table1.png

https://patents.neocities.org/Sinovac/011-Amino-Acid-sequence-table2.png