Ethylene vinyl ester based copolymer saponified pellets and film containing the same
US-12479987-B2 · Nov 25, 2025 · US
This page is not indexed by search engines while we improve data quality.
Chang Chun Petrochemical Co Ltd patents in 2025
Chang Chun Petrochemical Co Ltd was listed as an assignee on 18 patent publications in 2025.
| Metric | Value |
|---|---|
| Company | Chang Chun Petrochemical Co Ltd |
| Year | 2025 |
| Patents | 18 |
Patents
Representative publications for Chang Chun Petrochemical Co Ltd in 2025.
Surface-treated copper foil for lithium ion secondary battery, and current collector and lithium ion secondary battery
US-2025300188-A1 · Sep 25, 2025 · US
Copper foil, current collector and lithium ion secondary battery
US-2025297340-A1 · Sep 25, 2025 · US
Copper foil, current collector and lithium ion secondary battery
US-2025300189-A1 · Sep 25, 2025 · US
Carrier-attached ultra-thin copper foil and manufacturing method thereof
US-2025287508-A1 · Sep 11, 2025 · US
Top CPC classifications
Most common classification codes for Chang Chun Petrochemical Co Ltd in 2025.
| CPC | Patents |
|---|---|
| B32B2250/40 | 7 |
| B32B17/10036 | 6 |
| B32B17/10605 | 6 |
| B32B17/10761 | 6 |
| B32B2250/03 | 6 |
Related pages
Navigate to parent entity pages.