Process for formaldehyde manufacture
US-12565465-B2 · Mar 3, 2026 · US
Formaldehyde
Formaldehyde · 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 | C07C47/04 |
| Official title | Formaldehyde |
| Display label | Formaldehyde |
| Total patents | 58 |
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 | 2 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 12 |
| 2021 | 9 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the production of urea formaldehyde concentrate
US-12448349-B2 · Oct 21, 2025 · US
Composition, and method for producing trioxane using same
US-2025304548-A1 · Oct 2, 2025 · US
Synthetic methanol having low deuterium content from non-fossil resources
US-2025296902-A1 · Sep 25, 2025 · US
Bed material for thermolytic fragmentation of sugars
US-12344576-B2 · Jul 1, 2025 · US
Method of producing formaldehyde
US-2025091976-A1 · Mar 20, 2025 · US
Process for converting methanol to formaldehyde
US-12202793-B2 · Jan 21, 2025 · US
Thermolytic fragmentation of sugars using resistance heating
US-12194452-B2 · Jan 14, 2025 · US
Catalyst with a core-shell structure for methane oxidation, method of preparing the same and method of oxidizing methane using the same
US-12109552-B2 · Oct 8, 2024 · US
Process for the production of urea formaldehyde concentrate
US-11873268-B2 · Jan 16, 2024 · US
Process for formaldehyde manufacture
US-2023271910-A1 · Aug 31, 2023 · US
Thermolytic fragmentation of sugars using resistance heating
US-2023089341-A1 · Mar 23, 2023 · US
Process for converting methanol to formaldehyde
US-2022388936-A1 · Dec 8, 2022 · US
Thermolytic fragmentation of sugars using resistance heating
US-11364477-B2 · Jun 21, 2022 · US
Purification of aqueous solutions containing formaldehyde and use of the purified solution in an acrylic acid production process
US-2021395107-A1 · Dec 23, 2021 · US
Catalyst with a core-shell structure for methane oxidation, method of preparing the same and method of oxidizing methane using the same
US-2021387166-A1 · Dec 16, 2021 · US
Electrolysis system for carbon dioxide
US-11198942-B2 · Dec 14, 2021 · US
Methods for preparing formaldehyde from carbon dioxide
US-11111199-B2 · Sep 7, 2021 · US
Thermolytic fragmentation of sugars using resistance heating
US-2021260549-A1 · Aug 26, 2021 · US
Carbon mediated water-splitting using formaldehyde
US-2021188631-A1 · Jun 24, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C47/04?
- CPC C07C47/04 is the Cooperative Patent Classification code for “Formaldehyde.”
- How many patents are filed under CPC C07C47/04 (Formaldehyde)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC C07C47/04 growing?
- Publication counts under this code: 2 in 2024 vs 7 in 2025 (latest complete years).