IP Verse

Cellulose Acetate Tow Band For Use In Cigarette Filters, Cigarette Filter, Tow Band Production Apparatus, And Tow Band Production Method

Patent No. EP3117724 (titled "Cellulose Acetate Tow Band For Use In Cigarette Filters, Cigarette Filter, Tow Band Production Apparatus, And Tow Band Production Method") was filed by Daicel on Mar 13, 2014. The application was issued on Apr 2, 2025.

Patent Summary

Patent Family

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.

CompanyOpposition DateRepresentative
EASTMAN CHEMICALFeb 10, 2020WALLINGER RICKER SCHLOTTER TOSTMANN

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.

  • Date

    Description

  • Get instant alerts for new documents

EP3117724

DAICEL
Application Number
EP14885125A
Filing Date
Mar 13, 2014
Status
Patent Maintained As Amended
Feb 28, 2025
Publication Date
Apr 2, 2025
External Links
Slate, EP3117724B2, Google Patents