Catalyst for propylene polymerization, catalyst system for propylene polymerization, and preparation and use thereof
US-2023183394-A1 · Jun 15, 2023 · US
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Hao Haijun patents
Hao Haijun is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hao Haijun |
| Total patents | 3 |
| First publication | Nov 26, 2020 |
| Latest publication | Jun 15, 2023 |
Notable patents
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Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Petrochina Co Ltd | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C08F110/06 | 3 |
| C07F7/025 | 2 |
| C07F7/1888 | 2 |
| C07F7/10 | 2 |
| C08F10/06 | 2 |