Melt-processable cellulose ester compositions, melts and melt-formed articles made therefrom
US-2025154344-A1 · May 15, 2025 · US
Cellulose acetate
Cellulose acetate · 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 | C09D101/12 |
| Official title | Cellulose acetate |
| Display label | Cellulose acetate |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 10 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 11 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Separator, method for preparing the same and secondary battery and electrical device related thereto
US-2025122398-A1 · Apr 17, 2025 · US
Fractal-like polymeric particles and their use in diverse applications
US-12209203-B2 · Jan 28, 2025 · US
Production method of resin porous material
US-11926723-B2 · Mar 12, 2024 · US
Fractal-like polymeric particles and their use in diverse applications
US-2024076509-A1 · Mar 7, 2024 · US
Atomizer and a mesh therefor
US-11919023-B2 · Mar 5, 2024 · US
Modified natural material and use thereof
US-2023220217-A1 · Jul 13, 2023 · US
Method for manufacturing resin beads, resin beads, and product employing resin beads
US-11548999-B2 · Jan 10, 2023 · US
Method for manufacturing resin beads, resin beads, and product employing resin beads
US-2022267573-A1 · Aug 25, 2022 · US
Production method of resin porous material
US-2022119613-A1 · Apr 21, 2022 · US
Fractal-like polymeric particles and their use in diverse applications
US-11306214-B2 · Apr 19, 2022 · US
Cellulose ester compositions for surface coverings
US-2022098431-A1 · Mar 31, 2022 · US
Atomizer and a mesh therefor
US-2021197222-A1 · Jul 1, 2021 · US
Silver-containing precursor and product articles containing cellulosic polymers
US-10870774-B2 · Dec 22, 2020 · US
Silver and copper nanoparticle composites
US-10851257-B2 · Dec 1, 2020 · US
Powder for conductive material, ink for conductive material, conductive paste, and method for producing powder for conductive material
US-10610928-B2 · Apr 7, 2020 · US
Method of making silver-containing dispersions
US-10472528-B2 · Nov 12, 2019 · US
Materials and methods
US-10421871-B2 · Sep 24, 2019 · US
Fractal-like polymeric particles and their use in diverse applications
US-2019153247-A1 · May 23, 2019 · US
Silver and copper nanoparticle composites
US-2019136081-A1 · May 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D101/12?
- CPC C09D101/12 is the Cooperative Patent Classification code for “Cellulose acetate.”
- How many patents are filed under CPC C09D101/12 (Cellulose acetate)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC C09D101/12 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).