Polyurethane dispersion based synthetic leathers
US-9963822-B2 · May 8, 2018 · US
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Yan Yunfei patents in 2018
Yan Yunfei was listed as an assignee on 1 patent publication in 2018.
| Metric | Value |
|---|---|
| Company | Yan Yunfei |
| Year | 2018 |
| Patents | 1 |
Patents
Representative publications for Yan Yunfei in 2018.
Top CPC classifications
Most common classification codes for Yan Yunfei in 2018.
| CPC | Patents |
|---|---|
| B32B2266/0278 | 1 |
| B32B27/065 | 1 |
| B32B27/308 | 1 |
| B32B5/245 | 1 |
| C09D175/06 | 1 |
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