Inventor
Zhengxu Han
Inventor
Shrewsbury, MA, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds28%
C07BGeneral methods of organic chemistry16%
C07DHeterocyclic compounds16%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations12%
A61KPreparations for medical, dental or toiletry purposes9%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium9%
C07HSugars7%
Y02ATechnologies for adaptation to climate change2%
PatentTitleYear
10,442,795Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivatives and intermediates therein20199,127,034'Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivates and intermediates therein'20158,816,112'Process for making novel chiral phosphorus ligands'20148,329,950'Process for preparation of trans 4-(3,4-Dichlorophenyl)-1,2,3,4-tetrahydro-1Napthalenamine'20127,772,191'Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivatives and intermediates therein'20107,332,610'Method of preparing amine stereoisomers'20087,256,297'Methods of preparing sulfinamides and sulfoxides'20077,129,378'Method of preparing amine stereoisomers'20067,064,214'Methods of preparing sulfinamides and sulfoxides'20066,974,838'Methods of treating or preventing pain using sibutramine metabolites'20056,894,189'Methods of preparing didesmethylsibutramine and other sibutramine derivatives'20056,710,087'Methods of treating or preventing neuropathic pain using sibutramine metabolites'20046,610,887'Methods of preparing didesmethylsibutramine and other sibutramine derivatives'20036,399,826'Salts of sibutramine metabolites, methods of making sibutramine metabolites and intermediates useful in the same, and methods of treating pain'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2005Patents assigned to SEPRACOR INC (5)· patent assignee history
2002–2019Based in Shrewsbury, MA, US· patent location history
2006–2008Patents assigned to APSINTERM LLC (4)· patent assignee history
2006–2008Based in Shrewesbury, MA, US· patent location history
2010–2019Patents assigned to BOEHRINGER INGELHEIM INT (4)· patent assignee history
2012–2015Patents assigned to HAN ZHENGXU (3)· patent assignee history
2012Patents assigned to BAKALE ROGER P (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEPRACOR INC | 5 | 2002–2005 |
| APSINTERM LLC | 4 | 2006–2008 |
| BOEHRINGER INGELHEIM INT | 4 | 2010–2019 |
| HAN ZHENGXUself | 3 | 2012–2015 |
| BAKALE ROGER P | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shrewsbury, Massachusetts, US | 12 | 2002–2019 |
| Shrewesbury, Massachusetts, US | 2 | 2006–2008 |