Hydrogenation catalyst and preparation method therefor and use thereof, and hydrogenation reaction method for oil products
US-2025319460-A1 · Oct 16, 2025 · US
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Yao Yunhai patents
Yao Yunhai is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yao Yunhai |
| Total patents | 6 |
| First publication | Nov 17, 2022 |
| Latest publication | Oct 16, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Solid particle bed, fixed bed, and oil hydrogenation method
US-12391888-B2 · Aug 19, 2025 · US
Hydrogenation catalyst, preparation process thereof and use thereof
US-12343709-B2 · Jul 1, 2025 · US
Solid particle bed, fixed bed, and oil hydrogenation method
US-2023348797-A1 · Nov 2, 2023 · US
Adsorbent, Liquid Phase Hydrogenation Catalyst Composition, Catalyst Bed and Use Thereof
US-2023347322-A1 · Nov 2, 2023 · US
Hydrogenation catalyst, preparation process thereof and use thereof
US-2022362751-A1 · Nov 17, 2022 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| China Petroleum & Chem Corp | 6 |
| Dalian Res Institute Of Petroleum And Petrochemicals Sinopec Corp | 4 |
| Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01J23/883 | 6 |
| B01J37/20 | 6 |
| B01J21/04 | 6 |
| B01J23/882 | 6 |
| B01J21/12 | 5 |