Pesticidal compounds and compositions, methods of use and processes of preparation thereof
US-2023371507-A1 · Nov 23, 2023 · US
Dicarboxylic acids
Dicarboxylic 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 | C07C57/13 |
| Official title | Dicarboxylic acids |
| Display label | Dicarboxylic acids |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 9 |
| 2017 | 4 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fatty acids and their use in conjugation to biomolecules
US-11752211-B2 · Sep 12, 2023 · US
Polyanionic surfactants and methods of making and using thereof
US-2023257644-A1 · Aug 17, 2023 · US
Method for isolating a carboxylic acid from an aqueous solution
US-11299447-B2 · Apr 12, 2022 · US
Quaternary ammonium compounds as fuel or lubricant additives
US-11066617-B2 · Jul 20, 2021 · US
Polymers from muconic acid isomers and its derivatives
US-11059919-B2 · Jul 13, 2021 · US
Curable compositions containing 1,1-di-activated vinyl compounds that cure by pericyclic reaction mechanisms
US-10934411-B2 · Mar 2, 2021 · US
Aqueous binder comprising reaction products of itaconic acid
US-10899924-B2 · Jan 26, 2021 · US
Novel fatty acids and their use in conjugation to biomolecules
US-2021000964-A1 · Jan 7, 2021 · US
Intermediate compound for manufacturing bixin ethyl ester and method of manufacturing the same
US-10800735-B2 · Oct 13, 2020 · US
Fatty acids and their use in conjugation to biomolecules
US-10786576-B2 · Sep 29, 2020 · US
Thiamine-organic acid salt
US-10717729-B2 · Jul 21, 2020 · US
Polycarboxylic acid extraction
US-10683520-B2 · Jun 16, 2020 · US
Aqueous binder comprising reaction products of itaconic acid
US-2020140681-A1 · May 7, 2020 · US
Quaternary ammonium compounds as fuel or lubricant additives
US-10626341-B2 · Apr 21, 2020 · US
Fatty acids and their use in conjugation to biomolecules
US-10588980-B2 · Mar 17, 2020 · US
Aqueous binder comprising reaction products of itaconic acid
US-10544300-B2 · Jan 28, 2020 · US
Novel thiamine-organic acid salt
US-2019367498-A1 · Dec 5, 2019 · US
Quaternary ammonium compounds as fuel or lubricant additives
US-2019309234-A1 · Oct 10, 2019 · US
Fatty acid compound, preparation method therefor and use therefor
US-10414713-B2 · Sep 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C57/13?
- CPC C07C57/13 is the Cooperative Patent Classification code for “Dicarboxylic acids.”
- How many patents are filed under CPC C07C57/13 (Dicarboxylic acids)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC C07C57/13 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).