Inventor
Jinhong Song
Inventor
Shandong, CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
C07CAcyclic or carbocyclic compounds33%
Y02PClimate change mitigation technologies in the production or processing of goods22%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%
PatentTitleYear
10,814,314Catalyst for aminating polyether polyol and preparation method thereof and method of preparing polyetheramines using catalyst thereof20209,926,259'Catalyst for fixed bed aniline rectification residue recycling and preparation method'20189,580,380'Method for preparing diamino-dicyclohexyl methane'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2020Patents assigned to WANHUA CHEMICAL GROUP CO LTD (3)· patent assignee history
2017Patents assigned to WANHUA CHEMICAL (NINGBO) CO LTD (1)· patent assignee history
2017–2018Based in Shandong, CN· patent location history
2020Based in Yantai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WANHUA CHEMICAL GROUP CO LTD | 3 | 2017–2020 |
| WANHUA CHEMICAL (NINGBO) CO LTD | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shandong, CN | 2 | 2017–2018 |
| Yantai, CN | 1 | 2020 |