Mitsui Chemicals competitive analysis

Explore patent oppositions filed by Mitsui Chemicals against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Sep 17, 2026
Patent NumberTitleApplicantOpposition Date
Method For Manufacturing A Laminate And LaminateFIBERTEX PERSONAL CAREJan 11, 2019
Polyisocyanate MixturesBAYERFeb 12, 2016
Polyurethane Having High Light RefractionBAYERMay 20, 2015
Polyurethane Having Low Volume ShrinkageBAYERMar 11, 2015

Explore Mitsui Chemicals's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Sep 17, 2026
Patent NumberPublication DateTitleTotal Oppositions
Nov 26, 2025Xylylene Diisocyanate Composition, Polymerizable Composition For Optical Materials, Resin, Molded Body, Optical Element And Lens1
Jun 18, 2025Polymerizable Liquid Composition And Process For The Production Of Organic Glass Starting From Polymerizable Liquid Compositions Of The Polyurethane Type1
Mar 19, 2025Ethylene/Alpha-Olefin Copolymer And Lubricating Oil1
Oct 16, 2024Rear-Surface Substrate For Heat Transfer Image Reception Sheet, And Heat Transfer Image Reception Sheet1
Aug 7, 2024Xylylene Diisocyanate Composition, Modified Xylylene Diisocyanate Composition, Polymerizable Composition, Resin, Molded Body, Optical Element, And Lens1
Dec 27, 2023Two-Package Curable Solvent-Free Adhesive For Laminates And Resin Cured Product1
Nov 29, 2023Spunbond Nonwoven Fabric, Method For Manufacturing Spunbond Nonwoven Fabric, And Emboss Roll1
Nov 15, 2023Melt-Blown Nonwoven Fabric, And Production Method And Device For Same1
Nov 8, 2023Catalyst For Methanol Production, Method For Producing Same, And Method For Producing Methanol1
Oct 18, 2023Method For Manufacturing Resin For Urethane-Based Optical Material, Resin Composition For Same, And Optical Material Manufactured Thereby1

Latest PTAB cases involving Mitsui Chemicals

Discover the latest PTAB cases involving Mitsui Chemicals, highlighting their recent legal challenges and patent disputes.

Peer Comparison New

IP litigation analysis comparing Mitsui Chemicals with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Sep 17, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
MITSUI CHEMICALS429 - -
BOREALIS1621912 -
BRUNO BOCK CHEMISCHE FABRIK GMBH & CO. KG6 - - -
COVESTRO DEUTSCHLAND6070 - -