Inventor
Zhi-Xian Wang
Inventor
Brantford, CA
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds52%
C07CAcyclic or carbocyclic compounds19%
C07BGeneral methods of organic chemistry11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
A61KPreparations for medical, dental or toiletry purposes4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
9,487,546'Solid forms of tenofovir'20168,378,143'Methods of making Efavirens and intermediates thereof'20138,143,400'Process for the preparation and purification of cis-2-methylspiro(1,3-oxathiolane-5,3′)quiniclidine hydrochloride'20128,080,663'Process for the preparation of 2-methylspiro(1,3-oxathiolane-5,3′)quiniclidine'20118,080,655'Methods of making efavirenz and intermediates thereof'20117,939,665'Efficient process for the preparation of cabergoline and its intermediates'20117,902,380'Process for the preparation of (S)-alpha-ethyl-2-oxo-1-pyrrolidineacetamide and (R)-alpha-ethyl-2-oxo-pyrrolidineacetamide'20117,884,121'Process for the preparation of phenylcarbamates'20117,767,843'Process for the preparation of phenylcarbamates'20107,531,658'Process for the preparation of 17-N-substituted-carbamoyl-4-aza-androst-1-en-3-ones'20097,485,754'Efficient method for preparing 3-aryloxy-3-arylpropylamines and their optical stereoisomers'20097,365,201'Process for the preparation of the boron difluoride chelate of quinolone-3-carboxylic acid'20087,196,197'Process for the preparation of Flecainide, its pharmaceutically acceptable salts and important intermediates thereof'20076,642,384'Preparation of chiral 1,2,3,4-tetrahydro-6,7-dialkoxy-3-isoquinolinecarboxylic acid and derivatives'20036,600,044'Process for recovery of the desired cis-1,3-oxathiolane nucleosides from their undesired trans-isomers'20036,407,262'Process for the preparation of Ramipril'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2003Patents assigned to BRANTFORD CHEM INC (3)· patent assignee history
2002–2011Based in Brantford, CA· patent location history
2007–2013Patents assigned to APOTEX PHARMACHEM INC (12)· patent assignee history
2011–2013Patents assigned to WANG ZHI-XIAN (4)· patent assignee history
2011–2012Patents assigned to BEJAN ELENA (2)· patent assignee history
2011–2012Patents assigned to BRATOVANOV SVETOSLAV S (2)· patent assignee history
2011–2013Based in Tianjin, CN· patent location history
2016Based in Edmonton, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APOTEX PHARMACHEM INC | 12 | 2007–2013 |
| WANG ZHI-XIANself | 4 | 2011–2013 |
| BRANTFORD CHEM INC | 3 | 2002–2003 |
| BEJAN ELENA | 2 | 2011–2012 |
| BRATOVANOV SVETOSLAV S | 2 | 2011–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Brantford, CA | 12 | 2002–2011 |
| Tianjin, CN | 3 | 2011–2013 |
| Edmonton, CA | 1 | 2016 |