Heterogeneous catalysts for the direct carbonylation of nitro aromatic compounds to isocyanates
US-12415780-B2 · Sep 16, 2025 · US
by catalytic reaction of nitro compounds with carbon monoxide · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C263/14 |
| Official title | by catalytic reaction of nitro compounds with carbon monoxide |
| Display label | by catalytic reaction of nitro compounds with carbon monoxide |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12415780-B2 · Sep 16, 2025 · US
US-2025129017-A1 · Apr 24, 2025 · US
US-2023131205-A1 · Apr 27, 2023 · US
US-11512046-B2 · Nov 29, 2022 · US
US-2021002210-A1 · Jan 7, 2021 · US