Surface-treated copper foil and copper clad laminate
US-11540389-B1 · Dec 27, 2022 · US
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Chang Chun Petrochemical Co Ltd patents in 2022
Chang Chun Petrochemical Co Ltd was listed as an assignee on 20 patent publications in 2022.
| Metric | Value |
|---|---|
| Company | Chang Chun Petrochemical Co Ltd |
| Year | 2022 |
| Patents | 20 |
Patents
Representative publications for Chang Chun Petrochemical Co Ltd in 2022.
Ethylene-vinyl alcohol copolymer resin composition, ethylene-vinyl alcohol copolymer film formed therefrom, and multilayer structure containing the same
US-2022403077-A1 · Dec 22, 2022 · US
Ethylene-vinyl alcohol copolymer resin composition, ethylene-vinyl alcohol copolymer film formed therefrom, and multilayer structure containing the same
US-2022403076-A1 · Dec 22, 2022 · US
Ethylene vinyl alcohol copolymer resin composition, ethylene vinyl alcohol copolymer film formed therefrom, and multilayer structure containing the same
US-2022403078-A1 · Dec 22, 2022 · US
Ethylene-vinyl alcohol copolymer resin composition, ethylene-vinyl alcohol copolymer film formed therefrom, and multilayer structure containing the same
US-2022403212-A1 · Dec 22, 2022 · US
Top CPC classifications
Most common classification codes for Chang Chun Petrochemical Co Ltd in 2022.
| CPC | Patents |
|---|---|
| C08J5/18 | 9 |
| B32B27/08 | 8 |
| B32B27/32 | 8 |
| C08J2329/04 | 8 |
| B32B27/306 | 7 |
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