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Biodegradable Compositions And Articles Made From Cellulose Acetate - EP4093812
The patent EP4093812 was granted to Eastman Chemical on Feb 19, 2025. The application was filed on Jan 20, 2021 under application number EP21704678A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
EP4093812
- Application Number
- EP21704678A
- Filing Date
- Jan 20, 2021
- Status
- Granted And Under Opposition
- Jan 17, 2025
- Publication Date
- Feb 19, 2025
- External Links
- Slate, Register, Google Patents
Patent Summary
Patent Family
Patent Oppositions
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.
Patent Citations (6) New
Patent citations refer to prior patents cited during different phases such as opposition or international search.
Dossier Documents
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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