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Ziegler-Natta-Metallocene Dual Catalyst Systems With Activator-Supports - EP3320004

The patent EP3320004 was granted to Chevron Phillips Chemical LP on Dec 6, 2023. The application was originally filed on Jun 28, 2016 under application number EP16739324A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3320004

CHEVRON PHILLIPS CHEMICAL LP
Application Number
EP16739324A
Filing Date
Jun 28, 2016
Status
Patent Maintained As Amended
Nov 3, 2023
Grant Date
Dec 6, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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BOREALISMay 12, 2021DEHNSADMISSIBLE
TOTALENERGIES ONETECH BELGIUMMay 12, 2021GARCIA MARTINADMISSIBLE
THE DOW CHEMICALMay 11, 2021VOADMISSIBLE

Patent Citations (62) New

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

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Non-Patent Literature (NPL) Citations (4) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Anthony G. Rayford, John J. Mcketta, "Structure, Properties, and Applications of Polyolefins Produced by Single-Site Catalyst Technology", Encyclopedia of Chemical Processing and Design, New York, (20020000), pages 231 - 262, XP055376969-
OPPOSITION- SOARES et al., "Chemical composition disposition", Polyolefin Reaction Engineering, Weinheim, (20120000), pages 29 - 40,221-229, XP055807053-
OPPOSITION- T. E. Nowlin, Y. V. Kissin, K. P. Wagner, "High activity Ziegler-Natta catalysts for the preparation of ethylene copolymers", Journal of Polymer Science, Part A: Polymer Chemistry, (19880000), vol. 266, pages 755 - 764, XP000020479-
OPPOSITION- Emilie Cossoul; Laetitia Baverel; Elsa Martigny; Tibor Macko; Christophe Boisson; Olivier Boyron, "Homogeneous Copolymers of Ethylene with α-olefins Synthesized with Metallocene Catalysts and Their Use as Standards for TREF Calibration", Macromolecular Symposia, (20130000), vol. 330, pages 42 - 52, XP055288228

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Dossier Documents

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