Inventor · disambiguated record
Zhengxu Han
Also filed as: HAN ZHENGXU · HAN ZHENGXU STEVE
14 granted patents·8 pending applications·150 citations·filing 2000–2018
92Inventor score
Files withSEPRACOR INC6APSINTERM LLC5BOEHRINGER INGELHEIM INT5HAN ZHENGXU2SUNOVION PHARMACEUTICALS INC2
Top patents by PatentIndex Score
22 records- 0198US7772191B2Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivatives and intermediates thereinBOEHRINGER INGELHEIM INT·Filed 2006·Granted Aug 10, 2010·65 cites·14 claims
- 0290US6610887B2Methods of preparing didesmethylsibutramine and other sibutramine derivativesSEPRACOR INC·Filed 2002·Granted Aug 26, 2003·24 cites·25 claims
- 0389US9127034B2Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivates and intermediates thereinECKHARDT MATTHIAS·Filed 2010·Granted Sep 8, 2015·17 cites·6 claims
- 0486US7256297B2Methods of preparing sulfinamides and sulfoxidesAPSINTERM LLC·Filed 2006·Granted Aug 14, 2007·5 cites·15 claims
- 0582US10442795B2Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivatives and intermediates thereinBOEHRINGER INGELHEIM INT·Filed 2015·Granted Oct 15, 2019·2 cites·2 claims
- 0681US7332610B2Method of preparing amine stereoisomersAPSINTERM LLC·Filed 2006·Granted Feb 19, 2008·4 cites·4 claims
- 0778US7064214B2Methods of preparing sulfinamides and sulfoxidesAPSINTERM LLC·Filed 2002·Granted Jun 20, 2006·8 cites·28 claims
- 0876US6710087B2Methods of treating or preventing neuropathic pain using sibutramine metabolitesSEPRACOR INC·Filed 2002·Granted Mar 23, 2004·7 cites·3 claims
- 0976US6399826B1Salts of sibutramine metabolites, methods of making sibutramine metabolites and intermediates useful in the same, and methods of treating painSEPRACOR INC·Filed 2000·Granted Jun 4, 2002·7 cites·5 claims
- 1074US7129378B2Method of preparing amine stereoisomersAPSINTERM LLC·Filed 2003·Granted Oct 31, 2006·6 cites·32 claims
- 1169US6894189B2Methods of preparing didesmethylsibutramine and other sibutramine derivativesSEPRACOR INC·Filed 2003·Granted May 17, 2005·4 cites·12 claims
- 1264US8329950B2Process for preparation of trans 4-(3,4-Dichlorophenyl)-1,2,3,4-tetrahydro-1NapthalenamineCARON JUDY·Filed 2012·Granted Dec 11, 2012·1 cites·13 claims
- 1362US2007293682A1Methods of Preparing Sulfinamides and SulfoxidesAPSINTERM LLC·Filed 2007·Application pending·0 cites
- 1461US6974838B2Methods of treating or preventing pain using sibutramine metabolitesSEPRACOR INC·Filed 2004·Granted Dec 13, 2005·0 cites·12 claims
- 1559US2014315910A1Combinations of Eszopiclone and Trans 4-(3,4-Dichlorophenyl)-1,2,3,4-Tetrahydro-N-Methyl-1-Napthalenamine or Trans 4-(3,4-Dichlorophenyl)-1,2,3,4-Tetrahydro-1-Napthalenamine, and Methods of Treatment of Menopause and Mood, Anxiety, and Cognitive DisordersSUNOVION PHARMACEUTICALS INC·Filed 2014·Application pending·0 cites
- 1656US2008293726A1Combinations of Eszopiclone and Trans 4-(3,4-Dichlorophenyl)-1,2,3,4-Tetrahydro-N-Methyl-1-Napthalenamine or Trans 4-(3,4-Dichlorophenyl)-1,2,3,4-Tetrahydro-1-Napthalenamine, and Methods of Treatment of Menopause and Mood, Anxiety, and Cognitive DisordersSEPRACOR INC·Filed 2006·Application pending·0 cites
- 1756US2010317848A1Process for the synthesis of derivatives of 3-amino-tetrahydrofuran-3-carboxylic acid and use thereof as medicamentsBOEHRINGER INGELHEIM INT·Filed 2007·Application pending·0 cites
- 1855US2013065904A1Combinations of Eszopiclone and Trans 4-(3,4-Dichlorophenyl)-1,2,3,4-Tetrahydro-N-Methyl-1-Napthalenamine or Trans 4-(3,4-Dichlorophenyl)-1,2,3,4-Tetrahydro-1-Napthalenamine, and Methods of Treatment of Menopause and Mood, Anxiety, and Cognitive DisordersSUNOVION PHARMACEUTICALS INC·Filed 2012·Application pending·0 cites
- 1953US2008214870A1Method of Preparing Amine StereoisomersHAN ZHENGXU·Filed 2008·Application pending·0 cites
- 2049US2013005962A1Process for the synthesis of derivatives of 3-amino-tetrahydrofuran-3-carboxylic acid and use thereof as medicamentsBOEHRINGER INGELHEIM INT·Filed 2012·Application pending·0 cites
- 2138US8816112B2Process for making novel chiral phosphorus ligandsHAN ZHENGXU·Filed 2013·Granted Aug 26, 2014·0 cites·20 claims
- 2238US2020031753A1Cyclopropyl alkyl amines and process for their preparationBOEHRINGER INGELHEIM INT·Filed 2018·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →