Oil Resistant Article
Patent No. EP4150152 (titled "Oil Resistant Article") was filed by SWM Luxembourg on May 11, 2021. The application was issued on Mar 26, 2025.
Patent Summary
Paper product with enhanced oil resistance that achieves superior performance without the use of fluorocarbon chemicals or high-temperature processing. The product comprises a pulp-based paper with hardwood fibers, containing a cellulose derivative, polyvinyl alcohol polymer, or vegetable protein-based polymer as the oil-resistant coating. The coating achieves oil resistance through a combination of cellulose-based properties and a sizing agent, while maintaining a Gurley permeability of less than 50,000 s/100 mL. The paper has a basis weight of 18-80 gsm and exhibits a wetlaid coating on both sides.
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Patent Oppositions (2)
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Dossier Documents
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Date
Description
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EP4150152
- Application Number
- EP21726987A
- Filing Date
- May 11, 2021
- Status
- Granted And Under Opposition
- Feb 21, 2025
- Publication Date
- Mar 26, 2025
- External Links
- Slate, Register , Google Patents