Polycarbonate polyol and method for producing same, composition and method for producing same, urethane resin and aqueous urethane resin dispersion
US-2023348670-A1 · Nov 2, 2023 · US
Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (polycarbonate-amides C08G69/44; polycarbonate-imides C08G73/16) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08G64/00 |
| Official title | Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (polycarbonate-amides C08G69/44; polycarbonate-imides C08G73/16) |
| Display label | Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (polycarbonate-amides C08G69/44; polycarbonate-imides C08G73/16) |
| Total patents | 73 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 12 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2023348670-A1 · Nov 2, 2023 · US
US-2023323011-A1 · Oct 12, 2023 · US
US-11779901-B2 · Oct 10, 2023 · US
US-11752713-B2 · Sep 12, 2023 · US
US-11738327-B2 · Aug 29, 2023 · US
US-11654415-B2 · May 23, 2023 · US
US-2023150171-A1 · May 18, 2023 · US
US-2023012545-A1 · Jan 19, 2023 · US
US-2022399166-A1 · Dec 15, 2022 · US
US-11427722-B2 · Aug 30, 2022 · US
US-2022258125-A1 · Aug 18, 2022 · US
US-2022250032-A1 · Aug 11, 2022 · US
US-2022241750-A1 · Aug 4, 2022 · US
US-2022177644-A1 · Jun 9, 2022 · US
US-2022146713-A1 · May 12, 2022 · US
US-11325100-B2 · May 10, 2022 · US
US-11285710-B2 · Mar 29, 2022 · US
US-2022081578-A1 · Mar 17, 2022 · US
US-11261294-B2 · Mar 1, 2022 · US
US-11230646-B2 · Jan 25, 2022 · US
Answers are generated from the same data shown on this page.