Xining
China
2
2025-04-03
The entities that hold a legal rights for patent applications filed by inventor LI Bo:
Bo LI from Xining, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for directly preparing trivalent chromium compound by electrochemical oxidation of ferrochrome
#2 | 2025-04-03Method and device for preparing trivalent chromium salt by electrochemical oxidation of ferrochrome in acidic system
6976947 ⎘