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

Patent No. EP3653765 (titled "Cellulose Acetate Tow Band, And Method For Producing Cellulose Acetate Tow Band") was filed by Daicel on Nov 22, 2017. The application was issued on Jun 19, 2024.

Patent Summary

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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.

CompanyOpposition DateRepresentative
EASTMAN CHEMICALMar 19, 2025WALLINGER RICKER SCHLOTTER TOSTMANN
CERDIAMar 18, 2025MEISSNER BOLTE PARTNERSCHAFT MBB
ACETATEMar 17, 2025SIMMONS & SIMMONS MUNICH

Dossier Documents

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EP3653765

DAICEL
Application Number
EP17917790A
Filing Date
Nov 22, 2017
Status
Granted And Under Opposition
May 17, 2024
Publication Date
Jun 19, 2024
External Links
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