Oxidation catalysts
US-10807074-B2 · Oct 20, 2020 · US
Preparation of carboxylic acid nitriles (of cyanogen or compounds thereof C01C3/00)
Preparation of carboxylic acid nitriles (of cyanogen or compounds thereof C01C3/00) · 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 | C07C253/00 |
| Official title | Preparation of carboxylic acid nitriles (of cyanogen or compounds thereof C01C3/00) |
| Display label | Preparation of carboxylic acid nitriles (of cyanogen or compounds thereof C01C3/00) |
| Total patents | 106 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 10 |
| 2021 | 4 |
| 2022 | 10 |
| 2023 | 11 |
| 2024 | 14 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and device for preparing environmentally-friendly insulating gas perfluoroalkylnitrile
US-10738003-B2 · Aug 11, 2020 · US
Propellane derivates and synthesis
US-10654812-B2 · May 19, 2020 · US
Process for making mixtures of enantiomers of MGDA and GLDA
US-10619125-B2 · Apr 14, 2020 · US
Process and device for preparing environmentally-friendly insulating gas perfluoroalkylnitrile
US-2020102265-A1 · Apr 2, 2020 · US
Production of acetonitrile and/or hydrogen cyanide from ammonia and methanol
US-2020095193-A1 · Mar 26, 2020 · US
Solar production of nylon polymers and precursors for nylon polymer production
US-2020048415-A1 · Feb 13, 2020 · US
Process to prepare treprostinil, the active ingredient in remodulin®
US-2020030271-A1 · Jan 30, 2020 · US
Process to prepare treprostinil, the active ingredient in Remodulin®
US-10478410-B2 · Nov 19, 2019 · US
Process for preparing electron deficient olefins
US-2019292141-A1 · Sep 26, 2019 · US
Heterogeneous metal-free catalyst
US-10329234-B2 · Jun 25, 2019 · US
Process to prepare treprostinil, the active ingredient in remodulin®
US-10322099-B2 · Jun 18, 2019 · US
A process for the synthesis of nitriles
US-2019144376-A1 · May 16, 2019 · US
Processses using multifunctional catalysts
US-2019076835-A1 · Mar 14, 2019 · US
Process for making mixtures of enantiomers, and mixtures of enantiomers
US-2018237728-A1 · Aug 23, 2018 · US
Oxidation Catalysts
US-2018214853-A1 · Aug 2, 2018 · US
A novel process for the preparation of teriflunomide
US-2018170859-A1 · Jun 21, 2018 · US
Process for separating an isocyanate prepared by phosgenation of a primary amine in the gas phase from the gaseous crude product of the phosgenation
US-9932299-B2 · Apr 3, 2018 · US
Synthesis of thiohydantoins
US-9926291-B2 · Mar 27, 2018 · US
Process for preparing EDA using SO2-free hydrocyanic acid
US-9914693-B2 · Mar 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C253/00?
- CPC C07C253/00 is the Cooperative Patent Classification code for “Preparation of carboxylic acid nitriles (of cyanogen or compounds thereof C01C3/00).”
- How many patents are filed under CPC C07C253/00 (Preparation of carboxylic acid nitriles (of cyanogen or compounds thereof C01C3/00))?
- Our database includes 106 publications tagged with this CPC code.
- Is patent activity under CPC C07C253/00 growing?
- Publication counts under this code: 14 in 2024 vs 4 in 2025 (latest complete years).