C07C 253/02
Preparation of carboxylic acid nitriles: by reaction of nitrogen oxide with organic
Official title: by reaction of nitrogen oxide with organic compounds
C07C253/02 (Preparation of carboxylic acid nitriles: by reaction of nitrogen oxide with organic) appears on 4 US grants and 4 published applications in this corpus.
Search patents in C07C- Granted patents
- 4
- Published applications
- 4
- Assignees
- 4
- Inventors
- 11
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
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| 1982 | 1 | 0 |
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| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
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| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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