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IP Verse

Polyester Compositions Which Comprise Spiro-Glycol, Cyclohexanedimethanol, And Terephthalic Acid - EP2358786

The patent EP2358786 was granted to Eastman Chemical on May 7, 2025. The application was filed on Dec 17, 2009 under application number EP09795586A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2358786

EASTMAN CHEMICAL
Application Number
EP09795586A
Filing Date
Dec 17, 2009
Status
Patent Maintained As Amended
Apr 4, 2025
Publication Date
May 7, 2025
External Links
Slate, Register, Google Patents

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 DateRepresentativeOpposition Status
VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBBJan 31, 2018VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBBADMISSIBLE

Patent Citations (15) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONUS2720507
DESCRIPTIONUS2720
DESCRIPTIONUS2945008
DESCRIPTIONUS3772405
DESCRIPTIONUS507
DESCRIPTIONUS5372864
DESCRIPTIONUS5384377
DESCRIPTIONUS5654347
DESCRIPTIONUS5696176
DESCRIPTIONUS6447859
DESCRIPTIONUS6559272
INTERNATIONAL-SEARCH-REPORTJP2003292593
INTERNATIONAL-SEARCH-REPORTJP2004067973
OPPOSITIONJP2003292593
OPPOSITIONJP2004067973

Dossier Documents

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  • Date

    Description

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