Phosphorus-containing ultrastable Y-type rare earth molecular sieve and preparation method therefor
US-9968915-B2 · May 15, 2018 · US
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Zheng Yunfeng patents in 2018
Zheng Yunfeng was listed as an assignee on 3 patent publications in 2018.
| Metric | Value |
|---|---|
| Company | Zheng Yunfeng |
| Year | 2018 |
| Patents | 3 |
Patents
Representative publications for Zheng Yunfeng in 2018.
Top CPC classifications
Most common classification codes for Zheng Yunfeng in 2018.
| CPC | Patents |
|---|---|
| B01J2229/186 | 3 |
| B01J2229/40 | 3 |
| B01J2229/42 | 3 |
| B01J29/088 | 3 |
| B01J29/80 | 3 |
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