Biodegradable cellulose ester microparticles and systems and methods for the production thereof
US-2026027033-A1 · Jan 29, 2026 · US
Aceto-butyrates
Aceto-butyrates · 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 | C08B3/18 |
| Official title | Aceto-butyrates |
| Display label | Aceto-butyrates |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 1 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biodegradable microbeads with enhanced optical effects
US-2026027018-A1 · Jan 29, 2026 · US
Biodegradable Microbeads from Mixed Cellulose Esters
US-2025051482-A1 · Feb 13, 2025 · US
Type 1 helper t cell-increasing agent, food and pharmaceutical
US-12220426-B2 · Feb 11, 2025 · US
Freshwater Biodegradable Mixed Ester Cellulose Esters
US-2025034366-A1 · Jan 30, 2025 · US
Oil-Absorbing Microbeads from Mixed Cellulose Esters
US-2025001392-A1 · Jan 2, 2025 · US
Freshwater Biodegradable Mixed Ester Cellulose Esters
US-2025002611-A1 · Jan 2, 2025 · US
Freshwater Biodegradable Mixed Ester Cellulose Esters
US-2025002612-A1 · Jan 2, 2025 · US
Method for manufacturing resin beads, resin beads, and product employing resin beads
US-11548999-B2 · Jan 10, 2023 · US
Cellulose ester compositions derived from recycled plastic content syngas
US-2022411538-A1 · Dec 29, 2022 · US
Cellulose esters comprising recycle content butyryl
US-2022403053-A1 · Dec 22, 2022 · US
Cellulose ester compositions derived from recycled plastic content syngas
US-11447576-B2 · Sep 20, 2022 · US
Cellulose ester compositions derived from recycled cellulose ester content syngas
US-2022289868-A1 · Sep 15, 2022 · US
Cellulose derivative particles, cosmetic composition, and method for producing cellulose derivative particles
US-11434348-B2 · Sep 6, 2022 · US
Method for manufacturing resin beads, resin beads, and product employing resin beads
US-2022267573-A1 · Aug 25, 2022 · US
Type 1 helper t cell-increasing agent, food and pharmaceutical
US-2021379097-A1 · Dec 9, 2021 · US
Cellulose derivative particles, cosmetic composition, and method for producing cellulose derivative particles
US-2020299488-A1 · Sep 24, 2020 · US
Cellulose ester compositions derived from recycled plastic content syngas
US-2020247910-A1 · Aug 6, 2020 · US
Resin composition and resin molded article
US-2020071492-A1 · Mar 5, 2020 · US
Optical film, polarizing plate, and image display device
US-10459290-B2 · Oct 29, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08B3/18?
- CPC C08B3/18 is the Cooperative Patent Classification code for “Aceto-butyrates.”
- How many patents are filed under CPC C08B3/18 (Aceto-butyrates)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C08B3/18 growing?
- Publication counts under this code: 1 in 2023 vs 6 in 2025 (latest complete years).