Patent Oppositions in synthetic polymer production industry

Explore the competitive field of synthetic polymer production where companies are constantly innovating to stay ahead. Discover the latest patent opposition trends, top companies filing and facing patent oppositions, and the most recent patents under dispute. Stay informed on patent activity in synthetic polymer production technology and learn how to protect your intellectual property.

Explore the top companies that have filed the most patent oppositions in the technology industry.

Explore the top companies that have faced the most patent oppositions in the technology industry.

Explore the top law firms that have filed the most patent oppositions in the technology industry.

Patent challenges are becoming increasingly common in the synthetic polymer production industry as companies work to protect their innovations in a highly competitive market. These legal battles can significantly impact the development and release of new technologies. Below is a list of the latest patents that have been opposed in the synthetic polymer production industry, offering a snapshot of the ongoing struggles over intellectual property rights. For anyone involved in this industry, understanding these patent disputes is essential for navigating its future.

Last updated on: Jul 9, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Influence Of Vinylidene Substituted Aromatic Monomers On Nitrile MigrationTRINSEO EUROPEMay 27, 2026INEOS STYROLUTION GROUP
Dual Component Lldpe Copolymers With Improved Impact And Tear ResistanceCHEVRON PHILLIPS CHEMICAL LPMay 18, 2026THE DOW CHEMICAL
A Combination Comprising Two Propylene-Based Polymers And Compositions Comprising The SameEXXONMOBIL CHEMICAL PATENTSMay 13, 2026BOREALIS
Ethylene-Based Polymer Composition For Films With Improved ToughnessDOWMay 5, 2026BOREALIS
Process For Producing Polyethylene PolymersEXXONMOBIL CHEMICAL PATENTSApr 23, 2026THE DOW CHEMICAL
Process For Producing Polyethylene PolymersEXXONMOBIL CHEMICAL PATENTSApr 21, 2026SABIC
Apparatus For Manufacturing PolyolefinSK INNOVATIONMar 12, 2026BOREALIS
Polyethylene ResinsTOTAL RESEARCH & TECHNOLOGY FELUYJan 22, 2026BOREALIS
Polyethylene ResinsTOTAL RESEARCH & TECHNOLOGY FELUYJan 16, 2026THE DOW CHEMICAL
Ethylene/Alpha-Olefin Copolymer And Lubricating OilMITSUI CHEMICALSDec 19, 2025BOREALIS

To stay ahead in the competitive synthetic polymer production industry, companies are constantly innovating. Here are the top patents facing oppositions in the synthetic polymer production industry. Stay informed on the latest opposition trends and learn how to protect your intellectual property.

Last updated on: Jul 9, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Dec 30, 2020Ethylene Polymers And Ethylene Copolymers For Blown FilmsCHEVRON PHILLIPS CHEMICAL LP4
May 9, 2018Low Emission Propylene HomopolymerBOREALIS4
Jan 4, 2023Rubber Composition And Vehicle TyreCONTINENTAL REIFEN DEUTSCHLAND4
Dec 6, 2023Ziegler-Natta-Metallocene Dual Catalyst Systems With Activator-SupportsCHEVRON PHILLIPS CHEMICAL LP4
Mar 4, 2020Heterophasic Polypropylene With Improved Stiffness/Impact BalanceBOREALIS4
Feb 28, 2018Compositions And Methods For Providing A BenefitTHE PROCTER & GAMBLE4
Apr 5, 2017Ethylene-Based Polymer CompositionsDOW4
Mar 4, 2020Propylene-Ethylene Random CopolymerINEOS EUROPE3
Aug 16, 2023Process For Degassing And Buffering Polyolefin Particles Obtained By Olefin PolymerizationBASELL POLYOLEFINE3
Apr 11, 2018Multimodal Polyolefin Resin And Molded Product Prepared TherefromDAELIM INDUSTRIAL3