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IP Verse

Pressure Relief For Multiple Polyolefin Polymerization Reactors - EP3033169

The patent EP3033169 was granted to Chevron Phillips Chemical LP on Apr 12, 2023. The application was filed on Sep 16, 2014 under application number EP14772552A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3033169

CHEVRON PHILLIPS CHEMICAL LP
Application Number
EP14772552A
Filing Date
Sep 16, 2014
Status
Granted And Under Opposition
Mar 10, 2023
Publication Date
Apr 12, 2023
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
BASELL POLIOLEFINE ITALIAJan 12, 2024LYONDELLBASELLADMISSIBLE

Patent Citations (12) New

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

Citation PhasePublication Number
DESCRIPTIONUS2011288247
DESCRIPTIONUS6239235
EXAMINATIONWO2005077522
INTERNATIONAL-SEARCH-REPORTUS2004253151
INTERNATIONAL-SEARCH-REPORTUS2010056707
INTERNATIONAL-SEARCH-REPORTUS2011311014
OPPOSITIONUS3451785
OPPOSITIONWO2004109417
OPPOSITIONWO2005080442
OPPOSITIONWO2009027197
OPPOSITIONWO2011146334
OPPOSITIONWO2011162961

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

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