Multilayer composite intumescent fire-retardant coating material, preparation method therefor, and method of using the same
US-2025346769-A1 · Nov 13, 2025 · US
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Zong Lijun patents
Zong Lijun is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Zong Lijun |
| Total patents | 3 |
| First publication | Sep 29, 2022 |
| Latest publication | Nov 13, 2025 |
Notable patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| State Grid Shandong Electric Power Res Institute | 3 |
| State Grid Corp China | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09D5/18 | 3 |
| C09D7/61 | 3 |
| C09D5/1687 | 2 |
| C08K5/5465 | 2 |
| C08K3/22 | 2 |