Polyethylenimine coated polymeric beads
US-2021229033-A1 · Jul 29, 2021 · US
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Zhang Ji Guang patents
Zhang Ji Guang is listed as an inventor on 1 patent in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Zhang Ji Guang |
| Total patents | 1 |
| First publication | Jul 29, 2021 |
| Latest publication | Jul 29, 2021 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Dow Global Technologies Llc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01J20/28059 | 1 |
| B01J20/3272 | 1 |
| B01J20/321 | 1 |
| B01J20/28061 | 1 |
| B01J20/28004 | 1 |