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IP Verse

Process For Degassing And Buffering Polyolefin Particles Obtained By Olefin Polymerization - EP2931758

The patent EP2931758 was granted to Basell Polyolefine on Aug 16, 2023. The application was filed on Dec 11, 2013 under application number EP13802400A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2931758

BASELL POLYOLEFINE
Application Number
EP13802400A
Filing Date
Dec 11, 2013
Status
Patent Maintained As Amended
Jul 14, 2023
Publication Date
Aug 16, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

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 DateRepresentativeOpposition Status
INEOS EUROPEApr 29, 2021KINGADMISSIBLE
THE DOW CHEMICALApr 28, 2021BOULT WADE TENNANTADMISSIBLE
WR GRACE & CONNApr 26, 2021UEXKULL & STOLBERGADMISSIBLE

Patent Citations (16) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTWO2006026493
INTERNATIONAL-SEARCH-REPORTWO2008015228
INTERNATIONAL-SEARCH-REPORTWO2011097119
OPPOSITIONEP1464462
OPPOSITIONUS2011190465
OPPOSITIONUS2012259085
OPPOSITIONUS4372758
OPPOSITIONUS4758654
OPPOSITIONUS5071950
OPPOSITIONUS6022946
OPPOSITIONUS7138469
OPPOSITIONUS7232878
OPPOSITIONWO2007101854
OPPOSITIONWO2008015228
OPPOSITIONWO2011085937
OPPOSITIONWO2012082674

Dossier Documents

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    Description

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