Biodegradable compositions and articles formed therefrom
US-12583989-B2 · Mar 24, 2026 · US
Mixed esters, e.g. cellulose acetate-butyrate · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09D101/14 |
| Official title | Mixed esters, e.g. cellulose acetate-butyrate |
| Display label | Mixed esters, e.g. cellulose acetate-butyrate |
| Total patents | 35 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12583989-B2 · Mar 24, 2026 · US
US-12474595-B2 · Nov 18, 2025 · US
US-2025333610-A1 · Oct 30, 2025 · US
US-12129389-B2 · Oct 29, 2024 · US
US-2024301628-A1 · Sep 12, 2024 · US
US-2024228823-A1 · Jul 11, 2024 · US
US-2024218142-A1 · Jul 4, 2024 · US
US-2024010864-A1 · Jan 11, 2024 · US
US-11713400-B2 · Aug 1, 2023 · US
US-11548999-B2 · Jan 10, 2023 · US
US-2022365365-A1 · Nov 17, 2022 · US
US-2022267573-A1 · Aug 25, 2022 · US
US-2022098431-A1 · Mar 31, 2022 · US
US-11214663-B2 · Jan 4, 2022 · US
US-2021253889-A1 · Aug 19, 2021 · US
US-2020079967-A1 · Mar 12, 2020 · US
US-10472528-B2 · Nov 12, 2019 · US
US-10421871-B2 · Sep 24, 2019 · US
US-2019263988-A1 · Aug 29, 2019 · US
US-2019136074-A1 · May 9, 2019 · US
Answers are generated from the same data shown on this page.