Inventor
JUNBIAO CHANG
Inventor
CN
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 preparations25%
A61KPreparations for medical, dental or toiletry purposes19%
C07BGeneral methods of organic chemistry19%
C07CAcyclic or carbocyclic compounds13%
C07DHeterocyclic compounds13%
C07HSugars6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
PatentTitleYear
12,428,3982-(2,4,5-substituted phenylamino) pyrimidine derivative and crystalline form B thereof202512,297,224Crystal form, preparation method, and application of 4'-substituted nucleoside202511,578,049Benzoic acid compound and method for preparing the same202311,148,9915-bromo-2-(alpha-hydroxypentyl)benzoic acid sodium salts in different crystal forms, and preparation method thereof2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to ZHEJIANG AUSUN PHARMACEUTICAL CO LTD (1)· patent assignee history
2021–2025Based in CN· patent location history
2023–2025Patents assigned to HENAN GENUINE BIOTECH CO LTD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HENAN GENUINE BIOTECH CO LTD | 3 | 2023–2025 |
| ZHEJIANG AUSUN PHARMACEUTICAL CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 4 | 2021–2025 |