Transition metal cluster compound, photosensitive composition, pattern forming method, and method for producing substrate
US-2026070934-A1 · Mar 12, 2026 · US
Acids containing four carbon atoms
Acids containing four carbon atoms · 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 | C07C53/124 |
| Official title | Acids containing four carbon atoms |
| Display label | Acids containing four carbon atoms |
| Total patents | 29 |
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 | 4 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalytic carboxycarbonylation of alkenes to form anhydrides
US-2025368598-A1 · Dec 4, 2025 · US
Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons
US-12275679-B2 · Apr 15, 2025 · US
Process for the alkoxycarbonylation of diisobutene and a C4 to C7 olefin and subsequent hydrolysis
US-2025026706-A1 · Jan 23, 2025 · US
Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons
US-12017970-B2 · Jun 25, 2024 · US
Integrated carboxylic acid production from synthesis gas
US-2024010596-A1 · Jan 11, 2024 · US
Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons
US-11780786-B2 · Oct 10, 2023 · US
Rubber-metal adhesion promoter, rubber composition, and tire
US-11427698-B2 · Aug 30, 2022 · US
Multi-step process and system for converting carbon dioxide to multi-carbon products
US-11390954-B2 · Jul 19, 2022 · US
Multi-step process and system for converting carbon dioxide to multi-carbon products
US-2021079537-A1 · Mar 18, 2021 · US
Process for making carboxylic acids
US-2020255365-A1 · Aug 13, 2020 · US
Multiple-component solid phases containing at least one active pharmaceutical ingredient
US-10633344-B2 · Apr 28, 2020 · US
Rubber-metal adhesion promoter, rubber composition, and tire
US-2019375911-A1 · Dec 12, 2019 · US
Method of preparing N-butyric acid by using poly-3-hydroxybutyrate
US-10315977-B1 · Jun 11, 2019 · US
Multiple-component solid phases containing at least one active pharmaceutical ingredient
US-2019169130-A1 · Jun 6, 2019 · US
Aldehyde oxidation processes
US-9975840-B2 · May 22, 2018 · US
Method for concentrating aqueous containing solute into high concentration by hydraulic-membrane process under no difference in osmotic pressure
US-9950297-B2 · Apr 24, 2018 · US
Multiple-component solid phases containing at least one active pharmaceutical ingredient
US-2017362182-A1 · Dec 21, 2017 · US
Rubber-metal adhesion promoter, rubber composition, and tire
US-2017253722-A1 · Sep 7, 2017 · US
Quaternary phosphinates with co-solvents for extracting C1 to C4 carboxylic acids from aqueous streams
US-9616358-B2 · Apr 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C53/124?
- CPC C07C53/124 is the Cooperative Patent Classification code for “Acids containing four carbon atoms.”
- How many patents are filed under CPC C07C53/124 (Acids containing four carbon atoms)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC C07C53/124 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).