Spring, Texas
United States
18
2023-03-02
The entities that hold a legal rights for patent applications filed by inventor Qu Liangwei:
Liangwei Qu from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Substituted Carboxamide Corrosion Inhibitor Compounds
#2 | 2020-07-30Acrylate-based sulfur scavenging agents for use in oilfield operations
#3 | 2020-04-16Synergistic sulfide scavenging additives for use in oilfield operations
#4 | 2018-12-06Synergistic sulfide scavenging additives for use in oilfield operations
#5 | 2018-11-22Multi-tail hydrate inhibitors
#6 | 2018-06-21Compositions, systems, and methods for removing iron sulfide scale from oilfield components
#7 | 2018-03-15Compositions, systems, and methods for removing iron sulfide scale from oilfield components using methyl acrylate
#8 | 2018-01-11Multiple hydrophilic head hydrate inhibitors
#9 | 2017-11-30Cationic surfactants for scale inhibitor squeeze applications
#10 | 2017-11-23Acrylate-based sulfur scavenging agents for use in oilfield operations
#11 | 2017-11-16Cationic multiple quaternary ammonium-based surfactants for enhancing production in subterranean formations
#12 | 2017-08-10Multi-tail hydrate inhibitors
#13 | 2017-07-06Multiple hydrophilic head corrosion inhibitors
#14 | 2017-04-13Compositions, systems, and methods for removing iron sulfide scale from oilfield components
#15 | 2016-12-08Acrylonitrile-based sulfur scavenging agents and methods of use in oilfield operations
#16 | 2016-09-15Multiple hydrophilic head hydrate inhibitors
#17 | 2016-07-28Multiple hydrophilic head corrosion inhibitors
#18 | 2016-04-14Multi-tail hydrate inhibitors
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