Metal extractant, separation recovery method of metal ions using metal extractant, and compound
US-2026015371-A1 · Jan 15, 2026 · US
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Acyclic saturated acids or derivatices which can have further substituents on alkyl
Acyclic saturated acids or derivatices which can have further substituents on alkyl · 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 | C07F9/4816 |
| Official title | {Acyclic saturated acids or derivatices which can have further substituents on alkyl} |
| Display label | Acyclic saturated acids or derivatices which can have further substituents on alkyl |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for continuously producing diethyl methylphosphonite
US-12509478-B2 · Dec 30, 2025 · US
Method for producing phosphorus chemicals from wet process phosphate
US-11993623-B2 · May 28, 2024 · US
Treatment of mgmt deficient cancer with 2-fluoroethyl-substituted nitrosoureas and other compounds
US-2023212202-A1 · Jul 6, 2023 · US
System and method for continuously producing diethyl methylphosphonite
US-2023183275-A1 · Jun 15, 2023 · US
Method for producing phosphorus chemicals from wet process phosphate
US-2021188885-A1 · Jun 24, 2021 · US
Process for preparing ethylenedialkylphosphinic acids, esters and salts and use thereof
US-10526471-B2 · Jan 7, 2020 · US
Brønsted-acidic fluoroalkyl phosphonates
US-2018258115-A1 · Sep 13, 2018 · US
Mixtures Of Diphosphinic Acids And Alkylphosphinic Acids, A Process For The Preparation Thereof And The Use Thereof
US-2018030355-A1 · Feb 1, 2018 · US
Process For Preparing Ethylenedialkylphosphinic Acids, Esters And Salts And Use Thereof
US-2017267836-A1 · Sep 21, 2017 · US
Hypophosphorous acid derivatives having antihyperalgic activity and biological applications thereof
US-9212196-B2 · Dec 15, 2015 · US
Method for producing dialkylphosphinic acids and esters and salts thereof by means of allyl alcohols-acroleins and use thereof
US-9139714-B2 · Sep 22, 2015 · US
Regulator molecule
US-9115157-B2 · Aug 25, 2015 · US
Method for producing mono-aminofunctionalized dialkylphosphinic acids and esters and salts thereof by means of acrylnitriles and use thereof
US-9035088-B2 · May 19, 2015 · US
Method for the production of alkylphosphonic acids, esters, and salts by oxidizing alkylphosphonous acids, and use thereof
US-9018413-B2 · Apr 28, 2015 · US
Method for producing mono-carboxy-functionalized dialkylphosphinic acids, esters and salts using a vinyl ether and the use thereof
US-8987489-B2 · Mar 24, 2015 · US