Inventor · Yantai, CN

Weiqi Hua

35Patents
2h-index
156Co-inventors
56Inventor score

Filing activity: Aug 21, 2007 → Jul 20, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US9138717B2 High-speed mixing reactor and application thereof Performing Operations; Transporting 4 Active
US9168515B2 High-selectivity catalyst for production of high-quality gasoline fractions from syngas and its preparation method Chemistry; Metallurgy 4 Active
US9580380B2 Method for preparing diamino-dicyclohexyl methane Emerging Cross-Sectional Technologies 1 Active
US10696574B2 Method for treating reverse osmosis concentrated water Chemistry; Metallurgy 1 Active
US11291985B2 Preparation method for propylene epoxidation catalyst, and application thereof Emerging Cross-Sectional Technologies 1 Active
US8829245B2 3-aminomethyl-3, 5, 5-trimethyl cyclohexylamine preparation method Chemistry; Metallurgy 0 Active
US11045794B2 Supported catalyst used for synthesizing polyether amine, and manufacturing method Performing Operations; Transporting 0 Active
US11059033B2 Catalyst for catalytic oxidation treatment of organic wastewater, preparation method thereof, and application thereof Chemistry; Metallurgy 0 Active
US11213811B2 Preparation method for olefin epoxidation catalyst and applications thereof Chemistry; Metallurgy 0 Active
US9845281B2 Method for preparing hydroxyethyl (meth) acrylate Chemistry; Metallurgy 0 Active
US9840462B2 Solvent refining method for isocyanate prepared by phosgene method and devices used in same Chemistry; Metallurgy 0 Active
US9399582B2 Catalyst for preparing phosgene and method for preparing phosgene using the same Performing Operations; Transporting 0 Active
US11059772B2 Imine-type quaternary ammonium salt catalyst, preparation method thereof and use thereof for preparation of polyisocyanate composition Chemistry; Metallurgy 0 Active
US9683078B2 Method for preparing branched polycarbonate with continuous two-phase interface phosgene method Chemistry; Metallurgy 0 Active
US11111332B2 Isocyanate polymerization catalyst, preparation method thereof, and method for preparing polyisocyanate by using same Chemistry; Metallurgy 0 Active
US10369559B2 Composite catalyst, preparation process thereof, and process for catalyzing the trimerization of butadiene using the composite catalyst Chemistry; Metallurgy 0 Active
US10898883B2 Silicalite-1 molecular sieve-based catalyst and preparation method for 1,2-pentanediol using said catalyst Chemistry; Metallurgy 0 Active
US12122876B2 Method for preparing reactive sealant resin Chemistry; Metallurgy 0 Active
US12024582B2 Preparation method for polyurethane optical resin and applications thereof Physics 0 Active
US10787593B2 Emulsifiable isocyanate composition and preparation method and use thereof Chemistry; Metallurgy 0 Active
US10974233B2 Catalyst for preparing 1,5-pentanediol via hydrogenolysis of tetrahydrofurfuryl alcohol, method and application thereof Performing Operations; Transporting 0 Active
US11814339B2 Method for preparing isocyanate in gaseous phase Chemistry; Metallurgy 0 Active
US8206652B2 Jet reactor with flow ducts and process for preparing isocyanates using it Performing Operations; Transporting 0 Active
US10226758B2 Method for preparing catalyst used for preparing chlorine, catalyst and method for preparing chlorine Performing Operations; Transporting 0 Active
US9624162B2 Method for preparing 3-aminomethyl-3,5,5-trimethyl cyclohexylamine Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.