Inventor
DOO-BYUNG LEE
Inventor
KR
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations33%
C07DHeterocyclic compounds33%
A61KPreparations for medical, dental or toiletry purposes17%
C07BGeneral methods of organic chemistry17%
PatentTitleYear
12,227,478Processes for preparing (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine or a salt thereof and processes for preparing tofacitinib using the same202511,623,925Processes for preparing a diaminopyrimidine derivative or acid addition salt thereof202311,434,224Processes for preparing a diaminopyrimidine derivative or acid addition salt thereof202211,198,684Intermediates useful for the synthesis of a selective inhibitor against protein kinase and processes for preparing the same2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to YUHAN CORP (4)· patent assignee history
2021–2025Based in KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YUHAN CORP | 4 | 2021–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| KR | 4 | 2021–2025 |