Synthesis of linear polyoxazolidinones using uretdiones as diisocyanate component
US-12509547-B2 · Dec 30, 2025 · US
containing nitrogen in addition to isocyanate or isothiocyanate nitrogen · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08G18/714 |
| Official title | {containing nitrogen in addition to isocyanate or isothiocyanate nitrogen} |
| Display label | containing nitrogen in addition to isocyanate or isothiocyanate nitrogen |
| Total patents | 33 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 6 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12509547-B2 · Dec 30, 2025 · US
US-12227610-B2 · Feb 18, 2025 · US
US-2023348657-A1 · Nov 2, 2023 · US
US-11753497-B2 · Sep 12, 2023 · US
US-11753367-B2 · Sep 12, 2023 · US
US-11702385-B2 · Jul 18, 2023 · US
US-2023202971-A1 · Jun 29, 2023 · US
US-11613681-B2 · Mar 28, 2023 · US
US-2022363807-A1 · Nov 17, 2022 · US
US-2022363804-A1 · Nov 17, 2022 · US
US-11254783-B2 · Feb 22, 2022 · US
US-11118010-B2 · Sep 14, 2021 · US
US-11028214-B2 · Jun 8, 2021 · US
US-2021070697-A1 · Mar 11, 2021 · US
US-10899866-B2 · Jan 26, 2021 · US
US-2020339747-A1 · Oct 29, 2020 · US
US-2020339846-A1 · Oct 29, 2020 · US
US-2020190249-A1 · Jun 18, 2020 · US
US-10640605-B2 · May 5, 2020 · US
US-10457770-B2 · Oct 29, 2019 · US
Answers are generated from the same data shown on this page.