Highly accurate de novo polynucleotide synthesis
US-2025352972-A1 · Nov 20, 2025 · US
Formic acid
Formic acid · 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 | C07C53/02 |
| Official title | Formic acid |
| Display label | Formic acid |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Highly accurate de novo polynucleotide synthesis
US-12357959-B2 · Jul 15, 2025 · US
Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons
US-12275679-B2 · Apr 15, 2025 · US
Catalytic formic acid and hydrogen production
US-2024279137-A1 · Aug 22, 2024 · US
Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons
US-12017970-B2 · Jun 25, 2024 · US
Coordination complex compound-zif complex and method of preparing same
US-2024059722-A1 · Feb 22, 2024 · US
Electrochemical reduction of carbon dioxide
US-11878279-B2 · Jan 23, 2024 · US
Acid addition salt of indene derivative prodrug and method for preparing same
US-2023399298-A1 · Dec 14, 2023 · US
Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons
US-11780786-B2 · Oct 10, 2023 · US
Electrochemical reduction of carbon dioxide
US-2023001398-A1 · Jan 5, 2023 · US
Electrochemical reduction of carbon dioxide
US-2022305473-A1 · Sep 29, 2022 · US
Electrochemical reduction of carbon dioxide
US-2022305474-A1 · Sep 29, 2022 · US
Carbon mediated water-splitting using formaldehyde
US-2021188631-A1 · Jun 24, 2021 · US
Apparatus and method of preparing carbonate and/or formate from carbon dioxide
US-10988847-B2 · Apr 27, 2021 · US
Method for producing oxidation reaction product of hydrocarbon or derivative thereof, and method for producing oxidation reaction product of olefin
US-10947190-B2 · Mar 16, 2021 · US
Method for producing oxidation reaction product of hydrocarbon or derivative thereof, and method for producing oxidation reaction product of olefin
US-2020377453-A1 · Dec 3, 2020 · US
Electrochemical reduction of carbon dioxide
US-2020290030-A1 · Sep 17, 2020 · US
Method for recycling pyrolysis tail gas through conversion into formic acid
US-10760004-B2 · Sep 1, 2020 · US
Highly accurate de novo polynucleotide synthesis
US-2020222875-A1 · Jul 16, 2020 · US
Multiple-component solid phases containing at least one active pharmaceutical ingredient
US-10633344-B2 · Apr 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C53/02?
- CPC C07C53/02 is the Cooperative Patent Classification code for “Formic acid.”
- How many patents are filed under CPC C07C53/02 (Formic acid)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC C07C53/02 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).