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IP Verse

Catalysts For Producing Broad Molecular Weight Distribution Polyolefins In The Absence Of Added Hydrogen - EP2591012

The patent EP2591012 was granted to Chevron Phillips Chemical LP on Jul 2, 2025. The application was filed on Jul 5, 2011 under application number EP11738340A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2591012

CHEVRON PHILLIPS CHEMICAL LP
Application Number
EP11738340A
Filing Date
Jul 5, 2011
Status
Patent Maintained As Amended
May 29, 2025
Publication Date
Jul 2, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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CompanyOpposition DateRepresentativeOpposition Status
TOTALENERGIES ONETECH BELGIUMJul 28, 2021DE CLERCQ & PARTNERSADMISSIBLE

Patent Citations (66) New

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

Citation PhasePublication Number
DESCRIPTIONUS20090489630
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DESCRIPTIONUS2009088543
DESCRIPTIONUS2009170690
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DESCRIPTIONUS6165929
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DESCRIPTIONUS6262191
DESCRIPTIONUS6294494
DESCRIPTIONUS6300271
DESCRIPTIONUS6316553
DESCRIPTIONUS6355594
DESCRIPTIONUS6376415
DESCRIPTIONUS6388017
DESCRIPTIONUS6391816
DESCRIPTIONUS6395666
DESCRIPTIONUS6524987
DESCRIPTIONUS6548441
DESCRIPTIONUS6548442
DESCRIPTIONUS6576583
DESCRIPTIONUS6613712
DESCRIPTIONUS6632894
DESCRIPTIONUS6667274
DESCRIPTIONUS6750302
DESCRIPTIONUS6833415
DESCRIPTIONUS7026494
DESCRIPTIONUS7199073
DESCRIPTIONUS7312283
DESCRIPTIONUS7456243
DESCRIPTIONUS7521572
INTERNATIONAL-SEARCH-REPORTUS2005153830
INTERNATIONAL-SEARCH-REPORTUS2006100401
INTERNATIONAL-SEARCH-REPORTUS2007060722
INTERNATIONAL-SEARCH-REPORTUS7026494
INTERNATIONAL-SEARCH-REPORTWO2007101053
OPPOSITIONEP2218725
OPPOSITIONUS2005159300
OPPOSITIONUS2007043176
OPPOSITIONUS2007043182
OPPOSITIONUS2007060722
OPPOSITIONUS2009008543
OPPOSITIONUS2009105433
OPPOSITIONUS7026494
OPPOSITIONWO2009052146
OPPOSITIONWO2009066689

Dossier Documents

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