Inventor
Wensheng Tang
Inventor
Shanghai, CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds43%
A61QSpecific use of cosmetics or similar toiletry preparations14%
B01DSeparation14%
C07BGeneral methods of organic chemistry14%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%
PatentTitleYear
10,017,472Hydrate of 2-isopropoxy-5-methyl-4-(piperidin-4-yl) aniline dihydrochloride, preparation method and use of the same20189,206,204'Process for preparing 2-hydroxyphenyl benzotriazole siloxane compounds'20158,614,337'S-5-substituent-N-2′-(thiophene-2-yl)ethyl-tetralin-2-amine or chiral acid salts thereof and use for preparing Rotigotine'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2018Patents assigned to 2Y CHEM LTD (2)· patent assignee history
2013–2015Patents assigned to GUO JIANPING (2)· patent assignee history
2013–2015Patents assigned to TANG WENSHENG (2)· patent assignee history
2013Patents assigned to HE XUNGUI (1)· patent assignee history
2013–2018Based in Shanghai, CN· patent location history
2015Patents assigned to GUERREIRO PATRICIO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 2Y CHEM LTD | 2 | 2013–2018 |
| GUO JIANPING | 2 | 2013–2015 |
| TANG WENSHENGself | 2 | 2013–2015 |
| GUERREIRO PATRICIO | 1 | 2015 |
| HE XUNGUI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 3 | 2013–2018 |