Surface-treated copper foil for lithium ion secondary battery, and current collector and lithium ion secondary battery
US-2025300188-A1 · Sep 25, 2025 · US
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Chang Chun Petrochemical Co Ltd — Cross-Sectional Technologies
Chang Chun Petrochemical Co Ltd holds 74 patents in Cross-Sectional Technologies, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Chang Chun Petrochemical Co Ltd |
| Technology | Cross-Sectional Technologies |
| Patents in slice | 74 |
| Recent patents in slice | 12 |
| First year | 2016 |
| Last year | 2025 |
Representative patents
Notable publications linking Chang Chun Petrochemical Co Ltd to Cross-Sectional Technologies.
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
Copper foil and current collector for lithium ion secondary battery and lithium ion secondary battery
US-2025279435-A1 · Sep 4, 2025 · US
Electrolytic copper foil and electrode and lithium-ion cell comprising the same
US-12211990-B2 · Jan 28, 2025 · US
Recent filings
Latest patents from Chang Chun Petrochemical Co Ltd in Cross-Sectional Technologies.
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
Copper foil and current collector for lithium ion secondary battery and lithium ion secondary battery
US-2025279435-A1 · Sep 4, 2025 · US
Electrolytic copper foil and electrode and lithium-ion cell comprising the same
US-12211990-B2 · Jan 28, 2025 · US
Related pages
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