Sichuan
China
2
2020-10-29
The entities that hold a legal rights for patent applications filed by inventor Wang Dingli:
Dingli Wang from Sichuan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Process for preparing dibenzylamine quaternary ammonium salt high-temperature resistant corrosion inhibitor and applications thereof
#2 | 2020-10-22Process for preparing Mannich base quaternary ammonium salt high-temperature resistant corrosion inhibitor and applications thereof
6533083 ⎘