Method for preparing a thermoplastic composition
US-2025179253-A1 · Jun 5, 2025 · US
Rendering cellulose suitable for esterification {(esterification per se, C08B3/00, C08B5/00, C08B7/00 or C08B9/00)}
Rendering cellulose suitable for esterification {(esterification per se, C08B3/00, C08B5/00, C08B7/00 or C08B9/00)} · 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 | C08B1/02 |
| Official title | Rendering cellulose suitable for esterification {(esterification per se, C08B3/00, C08B5/00, C08B7/00 or C08B9/00)} |
| Display label | Rendering cellulose suitable for esterification {(esterification per se, C08B3/00, C08B5/00, C08B7/00 or C08B9/00)} |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 9 |
| 2022 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing a thermoplastic composition
US-2025171594-A1 · May 29, 2025 · US
Cellulose acetate, cellulose acetate fiber, cellulose acetate composition, method for producing cellulose acetate, and method for producing cellulose acetate composition
US-11525014-B2 · Dec 13, 2022 · US
Cellulose ester compositions derived from recycled cellulose ester content syngas
US-2022289868-A1 · Sep 15, 2022 · US
Fibrous cellulose, fibrous cellulose dispersion, and production method for fibrous cellulose
US-2022002442-A1 · Jan 6, 2022 · US
Method for producing cellulose derivative, and cellulose derivative
US-11161917-B2 · Nov 2, 2021 · US
Cellulose acetate, cellulose acetate fiber, cellulose acetate composition, method for producing cellulose acetate, and method for producing cellulose acetate composition
US-2021221918-A1 · Jul 22, 2021 · US
Cellulose acetate and method for producing cellulose acetate
US-11066484-B2 · Jul 20, 2021 · US
Cellulose microfibers and method for manufacturing the same
US-2021189637-A1 · Jun 24, 2021 · US
Fine cellulose fiber and production method for same
US-11015291-B2 · May 25, 2021 · US
Method for preparing non-acid-treated eco-friendly cellulose nanocrystal, and cellulose nanocrystal prepared thereby
US-11008427-B2 · May 18, 2021 · US
Cellulose derivative and use thereof
US-10982009-B2 · Apr 20, 2021 · US
Cellulose microfibers and method for manufacturing the same
US-10975518-B2 · Apr 13, 2021 · US
Cellulose acetate and producing method therefor
US-10927189-B2 · Feb 23, 2021 · US
Cellulose acetate and method for producing cellulose acetate
US-2020262933-A1 · Aug 20, 2020 · US
Functionalized cellulose nanocrystal materials and methods of preparation
US-10669404-B2 · Jun 2, 2020 · US
Cellulose microfibers and method for manufacturing the same
US-2019382948-A1 · Dec 19, 2019 · US
Cellulose acetate and producing method therefor
US-2019218312-A1 · Jul 18, 2019 · US
Functionalized cellulose nanocrystal materials and methods of preparation
US-2019092926-A1 · Mar 28, 2019 · US
Method for producing cellulose derivative, and cellulose derivative
US-2019048099-A1 · Feb 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08B1/02?
- CPC C08B1/02 is the Cooperative Patent Classification code for “Rendering cellulose suitable for esterification {(esterification per se, C08B3/00, C08B5/00, C08B7/00 or C08B9/00)}.”
- How many patents are filed under CPC C08B1/02 (Rendering cellulose suitable for esterification {(esterification per se, C08B3/00, C08B5/00, C08B7/00 or C08B9/00)})?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C08B1/02 growing?
- Publication counts under this code: 3 in 2022 vs 2 in 2025 (latest complete years).