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Cellulose Acetate Tow Band, And Method For Producing Cellulose Acetate Tow Band

PatentPatent Analysis

EP3653765

DAICEL
Application Number
EP17917790A
Filing Date
Nov 22, 2017
Status
Granted And Under Opposition
May 17, 2024
Grant Date
Jun 19, 2024
External Links
Slate, Register, Google Patents
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Bibliography

The patent EP3653765B1 was granted to Daicel on Jun 19, 2024 following the initial filing on Nov 22, 2017 under the application number EP17917790A . The current legal status of the patent is Granted And Under Opposition.

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Patent Oppositions filed by Competitors

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.

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EASTMAN CHEMICALMar 19, 2025ADMISSIBLE
CERDIAMar 18, 2025ADMISSIBLE
ACETATEMar 17, 2025ADMISSIBLE

Dossier Documents of the Patent

The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.

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