Method for replacement of phosgene synthesis column catalyst
US-10046289-B2 · Aug 14, 2018 · US
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Ma Yabo patents
Ma Yabo is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ma Yabo |
| Total patents | 2 |
| First publication | Dec 7, 2017 |
| Latest publication | Aug 14, 2018 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for replacement of phosgene synthesis column catalyst
US-2017348661-A1 · Dec 7, 2017 · US
Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Wanhua Chemical Group Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01J2208/06 | 2 |
| B01J8/0292 | 2 |
| B01J8/06 | 2 |
| B01J27/20 | 2 |
| B01J8/0278 | 2 |