Inventor · Shrewsbury, MA, US

Zhengxu Han

14Patents
4h-index
23Co-inventors
56Inventor score

Filing activity: Jan 11, 2000 → Jul 22, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US7772191B2 Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivatives and intermediates therein Chemistry; Metallurgy 47 Active
US9127034B2 Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivates and intermediates therein Chemistry; Metallurgy 14 Active
US6610887B2 Methods of preparing didesmethylsibutramine and other sibutramine derivatives Chemistry; Metallurgy 12 Expired
US7064214B2 Methods of preparing sulfinamides and sulfoxides Chemistry; Metallurgy 5 Expired
US7332610B2 Method of preparing amine stereoisomers Chemistry; Metallurgy 3 Active
US7256297B2 Methods of preparing sulfinamides and sulfoxides Chemistry; Metallurgy 3 Expired
US7129378B2 Method of preparing amine stereoisomers Chemistry; Metallurgy 3 Expired
US10442795B2 Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivatives and intermediates therein Chemistry; Metallurgy 2 Active
US6894189B2 Methods of preparing didesmethylsibutramine and other sibutramine derivatives Chemistry; Metallurgy 2 Expired
US8329950B2 Process for preparation of trans 4-(3,4-Dichlorophenyl)-1,2,3,4-tetrahydro-1Napthalenamine Chemistry; Metallurgy 1 Active
US6710087B2 Methods of treating or preventing neuropathic pain using sibutramine metabolites Chemistry; Metallurgy 1 Expired
US6974838B2 Methods of treating or preventing pain using sibutramine metabolites Emerging Cross-Sectional Technologies 0 Expired
US6399826B1 Salts of sibutramine metabolites, methods of making sibutramine metabolites and intermediates useful in the same, and methods of treating pain Chemistry; Metallurgy 0 Expired
US8816112B2 Process for making novel chiral phosphorus ligands Chemistry; Metallurgy 0 Active

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