Method for manufacturing cellulose nanocrystals
US-2025206848-A1 · Jun 26, 2025 · US
of polybasic organic acids
of polybasic organic acids · 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 | C08B3/12 |
| Official title | of polybasic organic acids |
| Display label | of polybasic organic acids |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ply fibrous product
US-12305336-B2 · May 20, 2025 · US
Cellulosic superabsorbent polymer from post-consumer textile waste
US-12305023-B2 · May 20, 2025 · US
Binder for lithium ion batteries, and electrode and separator using same
US-2025158069-A1 · May 15, 2025 · US
Method for producing micronized hydrophobically modified cellulose fiber
US-12180615-B2 · Dec 31, 2024 · US
Fibrous cellulose-containing material and method for producing same, dried fibrous cellulose and method for producing same, and fibrous cellulose composite resin and method for producing same
US-12037482-B2 · Jul 16, 2024 · US
Fibrous cellulose and method for manufacturing the same, and fibrous cellulose composite resin and method for manufacturing the same
US-12012469-B2 · Jun 18, 2024 · US
Method for treating a fibrous material comprising nanocellulose with an organic acid or organic acid salt
US-11920297-B2 · Mar 5, 2024 · US
Hydroxypropyl methyl cellulose phthalate and method for producing the same
US-11873351-B2 · Jan 16, 2024 · US
Fibrous cellulose, method for manufacturing same, and resin composition
US-11634509-B2 · Apr 25, 2023 · US
A ply fibrous product
US-2023071802-A1 · Mar 9, 2023 · US
Cellulosic superabsorbent polymer from post-consumer textile waste
US-2022081539-A1 · Mar 17, 2022 · US
Method for treating a fibrous material comprising nanocellulose with an organic acid or organic acid salt
US-2022074140-A1 · Mar 10, 2022 · US
Fibrous cellulose-containing material and method for producing same, dried fibrous cellulose and method for producing same, and fibrous cellulose composite resin and method for producing same
US-2021261758-A1 · Aug 26, 2021 · US
Fibrous cellulose and method for manufacturing the same, and fibrous cellulose composite resin and method for manufacturing the same
US-2021230312-A1 · Jul 29, 2021 · US
Fibrous cellulose, method for manufacturing same, and resin composition
US-2021214464-A1 · Jul 15, 2021 · US
Hydroxypropyl methyl cellulose phthalate and method for producing the same
US-2021130498-A1 · May 6, 2021 · US
Hypromellose phthalate and method for producing hypromellose phthalate
US-10961323-B2 · Mar 30, 2021 · US
Method for producing micronized hydrophobically modified cellulose fiber
US-2021087713-A1 · Mar 25, 2021 · US
Binder for lithium ion batteries, and electrode and separator using same
US-2020251740-A1 · Aug 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08B3/12?
- CPC C08B3/12 is the Cooperative Patent Classification code for “of polybasic organic acids.”
- How many patents are filed under CPC C08B3/12 (of polybasic organic acids)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C08B3/12 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).