Rubber filler, rubber composite comprising the same, and preparation method therefor and use thereof
US-2026008891-A1 · Jan 8, 2026 · US
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Gui Qiang patents
Gui Qiang is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Gui Qiang |
| Total patents | 3 |
| First publication | Oct 11, 2018 |
| Latest publication | Jan 8, 2026 |
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 |
|---|---|
| B01J37/18 | 2 |
| B01J35/70 | 2 |
| B01J37/04 | 2 |
| B01J23/8926 | 2 |
| B01J23/892 | 2 |