Catalyst granules used in olefin disproportionation reaction and preparation method therefor
US-12472489-B2 · Nov 18, 2025 · US
Wang Yangdong is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Wang Yangdong |
| Total patents | 8 |
| First publication | Oct 22, 2020 |
| Latest publication | Nov 18, 2025 |
Publications ranked by popularity score, then publication date.
US-12472489-B2 · Nov 18, 2025 · US
US-12246308-B2 · Mar 11, 2025 · US
US-2023405563-A1 · Dec 21, 2023 · US
US-2023390750-A1 · Dec 7, 2023 · US
US-11739001-B2 · Aug 29, 2023 · US
US-11091412-B2 · Aug 17, 2021 · US
US-2020346996-A1 · Nov 5, 2020 · US
US-2020331768-A1 · Oct 22, 2020 · US
Latest publications not already listed above.
No data yet.
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| China Petroleum & Chem Corp | 8 |
| Shanghai Res Inst Petrochemical Tech Sinopec | 8 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02P20/52 | 8 |
| B01J37/08 | 6 |
| B01J2235/30 | 4 |
| B01J35/40 | 4 |
| C07C2523/30 | 4 |