Inventor
Qiuxiang Yin
Inventor
Tianjin, CN
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Bprimary
C07BGeneral methods of organic chemistry45%
C07DHeterocyclic compounds27%
C07CAcyclic or carbocyclic compounds18%
A61KPreparations for medical, dental or toiletry purposes9%
PatentTitleYear
10,604,474Crystalline form of gamma-aminobutyric acid and preparation method thereof202010,487,044Gamma-aminobutyric acid hemihydrate crystal and preparation method thereof20199,834,567Crystalline form of cefamandole nafate compound, preparation and preparing method thereof20179,815,848'Method for preparing spherical Clopidogrel Hydrogen Sulfate polymorph I'20179,637,502'Crystal form of Cefathiamidine compound and preparation method therefor'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2020Patents assigned to UNIV TIANJIN (5)· patent assignee history
2017Patents assigned to HAINAN LINGKANG PHARMACEUTICAL (2)· patent assignee history
2017Patents assigned to SHENZHEN SALUBRIS PHARM CO LTD (1)· patent assignee history
2017–2020Based in Tianjin, CN· patent location history
2019–2020Patents assigned to NANTONG LICHENG BIOLOGICAL ENG CO LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV TIANJIN | 5 | 2017–2020 |
| HAINAN LINGKANG PHARMACEUTICAL | 2 | 2017 |
| NANTONG LICHENG BIOLOGICAL ENG CO LTD | 2 | 2019–2020 |
| SHENZHEN SALUBRIS PHARM CO LTD | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tianjin, CN | 5 | 2017–2020 |