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Ethylene Polymers And Ethylene Copolymers For Blown Films - EP3538572

The patent EP3538572 was granted to Chevron Phillips Chemical LP on Dec 30, 2020. The application was originally filed on Nov 6, 2017 under application number EP17863295A. The patent is currently recorded with a legal status of "Revoked".

EP3538572

CHEVRON PHILLIPS CHEMICAL LP
Application Number
EP17863295A
Filing Date
Nov 6, 2017
Status
Revoked
Sep 27, 2025
Publication Date
Dec 30, 2020
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

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THE DOW CHEMICALSep 30, 2021BECK GREENERADMISSIBLE
TOTALENERGIES ONETECH BELGIUMSep 30, 2021MELLETADMISSIBLE
BOREALISSep 29, 2021KADOR & PARTNER PART MBBADMISSIBLE

Patent Citations (69) New

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

Citation PhasePublication Number
DESCRIPTIONUS3242099
DESCRIPTIONUS3248179
DESCRIPTIONUS4501885
DESCRIPTIONUS4588790
DESCRIPTIONUS4794096
DESCRIPTIONUS4808561
DESCRIPTIONUS5352749
DESCRIPTIONUS5436304
DESCRIPTIONUS5565175
DESCRIPTIONUS5575979
DESCRIPTIONUS5576259
DESCRIPTIONUS5807938
DESCRIPTIONUS5919983
DESCRIPTIONUS6107230
DESCRIPTIONUS6165929
DESCRIPTIONUS6239235
DESCRIPTIONUS6262191
DESCRIPTIONUS6294494
DESCRIPTIONUS6300271
DESCRIPTIONUS6316553
DESCRIPTIONUS6355594
DESCRIPTIONUS6376415
DESCRIPTIONUS6388017
DESCRIPTIONUS6391816
DESCRIPTIONUS6395666
DESCRIPTIONUS6524987
DESCRIPTIONUS6548441
DESCRIPTIONUS6548442
DESCRIPTIONUS6576583
DESCRIPTIONUS6613712
DESCRIPTIONUS6632894
DESCRIPTIONUS6667274
DESCRIPTIONUS6750302
DESCRIPTIONUS6833415
DESCRIPTIONUS7026494
DESCRIPTIONUS7041617
DESCRIPTIONUS7226886
DESCRIPTIONUS7294599
DESCRIPTIONUS7312283
DESCRIPTIONUS7517939
DESCRIPTIONUS7531606
DESCRIPTIONUS7598327
DESCRIPTIONUS7601665
DESCRIPTIONUS7619047
DESCRIPTIONUS7884163
DESCRIPTIONUS8114946
DESCRIPTIONUS8309485
DESCRIPTIONUS8618229
DESCRIPTIONUS8623973
DESCRIPTIONUS8822608
DESCRIPTIONUS8877672
DESCRIPTIONUS8895679
DESCRIPTIONUS8937139
DESCRIPTIONUS9023959
DESCRIPTIONUS9034991
DESCRIPTIONUS9394387
INTERNATIONAL-SEARCH-REPORTUS2014128563
INTERNATIONAL-SEARCH-REPORTUS2014213744
OPPOSITIONEP3303426
OPPOSITIONUS2014100343
OPPOSITIONUS2014128563
OPPOSITIONUS2014213744
OPPOSITIONUS8372931
OPPOSITIONUS9040642
OPPOSITIONWO2012033670
OPPOSITIONWO2012122624
OPPOSITIONWO2014066602
OPPOSITIONWO2014164192
OPPOSITIONWO9504761

Dossier Documents

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