Polyester resin composition, electrostatic charge image developing toner, developer, and image forming method
US-2025298333-A1 · Sep 25, 2025 · US
Polyesters prepared from ketenes · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08G63/005 |
| Official title | {Polyesters prepared from ketenes} |
| Display label | Polyesters prepared from ketenes |
| Total patents | 24 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2019 | 1 |
| 2020 | 9 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025298333-A1 · Sep 25, 2025 · US
US-2025179252-A1 · Jun 5, 2025 · US
US-12275826-B2 · Apr 15, 2025 · US
US-2024409683-A1 · Dec 12, 2024 · US
US-2024327602-A1 · Oct 3, 2024 · US
US-11820923-B2 · Nov 21, 2023 · US
US-11530342-B2 · Dec 20, 2022 · US
US-11459493-B2 · Oct 4, 2022 · US
US-11447670-B2 · Sep 20, 2022 · US
US-11434400-B2 · Sep 6, 2022 · US
US-11261359-B2 · Mar 1, 2022 · US
US-11111328-B2 · Sep 7, 2021 · US
US-11111329-B2 · Sep 7, 2021 · US
US-2020325261-A1 · Oct 15, 2020 · US
US-2020325260-A1 · Oct 15, 2020 · US
US-2020181311-A1 · Jun 11, 2020 · US
US-2020181395-A1 · Jun 11, 2020 · US
US-2020181312-A1 · Jun 11, 2020 · US
US-2020181465-A1 · Jun 11, 2020 · US
US-2020181446-A1 · Jun 11, 2020 · US