Patent Oppositions in polyurethanes industry

Explore the competitive field of polyurethanes 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 polyurethanes 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.

Last updated on: Oct 1, 2026
CompanyTotal Oppositions
BASF30
COVESTRO DEUTSCHLAND30
DOW19
COVESTRO18
MITSUI CHEMICALS15
BAYER13
WACKER CHEMIE10
HENKEL8
COATINGS FOREIGN8
HUNTSMAN8

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

Patent challenges are becoming increasingly common in the polyurethanes 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 polyurethanes 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: Oct 1, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Moisture-Crosslinkable Mastic Composition For High-Temperature Joint ExposureBOSTIKSep 30, 2026HENKEL
2-Component Coating Composition For Masonry Sealing With Catalyst Cocatalyst SystemFRANKEN SYSTEMSSep 30, 2026TRIFLEX
Non-Aqueous Crosslinkable CompositionALLNEX NETHERLANDSSep 29, 2026PPG INDUSTRIES
Two-Component Polyurethane Adhesive CompositionDDP SPECIALTY ELECTRONIC MATERIALSSep 23, 2026SIKA TECHNOLOGY
Stable Polyurea Microcapsule CompositionsFLAVORS & FRAGRANCESSep 22, 2026FIRMENICH
Two Component Polyurethane System For Liquid Applied Sound DeadenerHB FULLERAug 31, 2026SIKA TECHNOLOGY
Xylylene Diisocyanate Composition, Polymerizable Composition For Optical Materials, Resin, Molded Body, Optical Element And LensMITSUI CHEMICALSAug 17, 2026WUESTHOFF & WUESTHOFF
Hybrid Light-Curing CompositionDYMAXAug 12, 2026HENKEL
Two-Component Paint SystemPETER KWASNYJul 14, 2026EUROPEAN AEROSOLS
Amine Composition Useful For Making Stable Polyurethane Foam SystemsEVONIK OPERATIONSJul 7, 2026HUNTSMAN PETROCHEMICAL

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

Last updated on: Oct 1, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Oct 8, 2025Powder Compositions Made Of Thermoplastics And Use Of The CompositionsAM POLYMERS5
Jul 18, 2018Use Of Thermoplastic Polyurethane PowdersLEHMANN&VOSS&CO. KG4
Oct 21, 2015Clear Coat ComponentAXALTA COATING SYSTEMS3
Jun 18, 2014A Sealing Composition, A Method For Preparing A Sealing Composition And The Use Of Such A Sealing CompositionBONA3
Jun 28, 2017Cross-Linkable Masses Based On Organyl-Oxysilane-Terminated PolymersWACKER CHEMIE3
Sep 27, 2023Water-Based Coating Compositions And Related Products And ProcessesNOVELIS3
May 3, 2017Process For Preparing Polyurethane Foams Having Reduced Voc EmissionsGENERAL ELECTRIC2
Aug 18, 2021Pu Adhesive Having Viscosity RegulatorHENKEL2
Jan 3, 2018Use Of Metallic Salts Of A Carboxylic Acid In The Production Of Polyurethane SystemsEVONIK DEGUSSA2
Dec 3, 2014Method For Producing Resin For Optical MaterialMITSUI CHEMICALS2