Method and device for purifying polybutylene terephthalate
US-10508177-B2 · Dec 17, 2019 · US
Chang Chun Petrochemical Co Ltd was listed as an assignee on 18 patent publications in 2019.
| Metric | Value |
|---|---|
| Company | Chang Chun Petrochemical Co Ltd |
| Year | 2019 |
| Patents | 18 |
Representative publications for Chang Chun Petrochemical Co Ltd in 2019.
US-10508177-B2 · Dec 17, 2019 · US
US-10472640-B2 · Nov 12, 2019 · US
US-10456704-B2 · Oct 29, 2019 · US
US-10438575-B2 · Oct 8, 2019 · US
US-10424793-B2 · Sep 24, 2019 · US
Most common classification codes for Chang Chun Petrochemical Co Ltd in 2019.
| CPC | Patents |
|---|---|
| C25D1/04 | 7 |
| C25D3/38 | 7 |
| C25D7/0614 | 5 |
| Y02E60/10 | 5 |
| H01M10/052 | 4 |
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