Beijing
China
5
2023-09-28
The entities that hold a legal rights for patent applications filed by inventor Han Ming:
Ming Han from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Synthesis of a cationic surfmer and its copolymers for enhanced oil recovery
#2 | 2023-03-30Composition and method of making cationic surfactants with two quaternary ammonium head groups
#3 | 2022-09-15Ionic liquid enhanced surfactant solution for spontaneous imbibition in fractured carbonate reservoirs
#4 | 2022-01-27Synthesis of a cationic surfmer and its copolymers for enhanced oil recovery
#5 | 2021-05-20Surfactant mixtures used during chemical enhanced oil recovery and methods of use thereof
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