Oil/Grease Resistant Paper Products
Patent No. EP4244422 (titled "Oil/Grease Resistant Paper Products") was filed by Sappi North America on Aug 11, 2021. The application was issued on Dec 4, 2024.
Patent Summary
Patent Family
Patent Oppositions (3)
Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Dossier Documents
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EP4244422
- Application Number
- EP21763477A
- Filing Date
- Aug 11, 2021
- Status
- Granted And Under Opposition
- Nov 1, 2024
- Publication Date
- Dec 4, 2024
- External Links
- Slate, Register , Google Patents