Synthesis of linear polyoxazolidinones using uretdiones as diisocyanate component
US-12509547-B2 · Dec 30, 2025 · US
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oligomerisation to urethdione groups
oligomerisation to urethdione groups · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08G18/097 |
| Official title | {oligomerisation to urethdione groups} |
| Display label | oligomerisation to urethdione groups |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Synthesis of linear polyoxazolidinones using uretdiones as diisocyanate component
US-2023348657-A1 · Nov 2, 2023 · US
Polyurethane composition for the manufacture of floors, especially for marine applications
US-2022243000-A1 · Aug 4, 2022 · US
Method for producing a polyisocyanate polymer and a polyisocyanurate plastic
US-11319402-B2 · May 3, 2022 · US
Polymeric Material Including a Uretdione-Containing Material, an Epoxy Component, and an Accelerator, Two-Part Compositions, and Methods
US-2021388152-A1 · Dec 16, 2021 · US
Polymeric Material Including a Uretdione-Containing Material and an Epoxy Component, Two-Part Compositions, and Methods
US-2021340309-A1 · Nov 4, 2021 · US
Method for producing a polyisocyanate polymer and a polyisocyanurate plastic
US-2021246255-A1 · Aug 12, 2021 · US
Aqueous, curable composition, comprising dispersed uretdione prepolymer, reactant and azolate
US-11008416-B2 · May 18, 2021 · US
Novel catalysts for the synthesis of oligomeric isocyanates
US-2020369694-A1 · Nov 26, 2020 · US
Polyisocyanate composition, coating material composition and coating film
US-2020277430-A1 · Sep 3, 2020 · US
Process for producing polyisocyanurate plastics
US-10717805-B2 · Jul 21, 2020 · US
Uretdione based polyurethane compositions
US-2019292305-A1 · Sep 26, 2019 · US
Aqueous, curable composition, comprising dispersed uretdione prepolymer, reactant and azolate
US-2019292299-A1 · Sep 26, 2019 · US
Polyisocyanate composition, polyurethane resin, and coating
US-10392528-B2 · Aug 27, 2019 · US
Method for isocyanate modification using catalysts with an NPN sequence
US-10131736-B2 · Nov 20, 2018 · US
Polyisocyanate composition, coating composition, coating film and method for producing same, and humidity stabilization method
US-9988481-B2 · Jun 5, 2018 · US
Process for producing polyisocyanurate plastics
US-2018079855-A1 · Mar 22, 2018 · US
Polyisocyanate composition, coating composition, coating film and method for producing same, and humidity stabilization method
US-2017253688-A1 · Sep 7, 2017 · US
Method for isocyanate modification using catalysts with an npn sequence
US-2017008996-A1 · Jan 12, 2017 · US