Melamine process with purification of melamine offgas
US-2026062392-A1 · Mar 5, 2026 · US
combined with the synthesis of melamine
combined with the synthesis of melamine · 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 | C07C273/12 |
| Official title | combined with the synthesis of melamine |
| Display label | combined with the synthesis of melamine |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 1 |
| 2023 | 1 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Urea melamine plant with melamine off-gas condenser
US-2026001852-A1 · Jan 1, 2026 · US
Production of urea and melamine
US-12338201-B2 · Jun 24, 2025 · US
Process for the synthesis of melamine
US-2025197362-A1 · Jun 19, 2025 · US
Coupled urea melamine plant
US-12319662-B2 · Jun 3, 2025 · US
Multiproduct low biuret urea production
US-12240800-B2 · Mar 4, 2025 · US
Urea and melamine production
US-12139448-B2 · Nov 12, 2024 · US
Coupled urea melamine production with HP CO2 stripping
US-12134590-B2 · Nov 5, 2024 · US
Coupled urea melamine plant
US-2024327358-A1 · Oct 3, 2024 · US
Production of urea and melamine
US-2024270684-A1 · Aug 15, 2024 · US
Coupled urea melamine production with hp co2 stripping
US-2024270685-A1 · Aug 15, 2024 · US
Multiproduct low biuret urea production
US-2024262789-A1 · Aug 8, 2024 · US
A process and plant for the synthesis of urea and melamine
US-2024262798-A1 · Aug 8, 2024 · US
Urea and melamine production
US-2024262788-A1 · Aug 8, 2024 · US
Combined reactor for high-pressure synthesis of melamine
US-2023014395-A1 · Jan 19, 2023 · US
Motor vehicle having a control apparatus for at least one loudspeaker of an exhaust system of the motor vehicle
US-10871093-B2 · Dec 22, 2020 · US
Sonication in a urea or melamine synthesis process
US-10507451-B2 · Dec 17, 2019 · US
Method for revamping a high pressure melamine plant
US-2019367464-A1 · Dec 5, 2019 · US
Method and system for the integrated production of urea and melamine
US-10358413-B2 · Jul 23, 2019 · US
Motor vehicle having a control apparatus for at least one loudspeaker of an exhaust system of the motor vehicle
US-2019162090-A1 · May 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C273/12?
- CPC C07C273/12 is the Cooperative Patent Classification code for “combined with the synthesis of melamine.”
- How many patents are filed under CPC C07C273/12 (combined with the synthesis of melamine)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C07C273/12 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).