Luminescent nanocrystal complex
US-2019382655-A1 · Dec 19, 2019 · US
Phosphinous acids [R2POH], [R2P(= O)H]: Thiophosphinous acids {including[R2PSH]; [R2P(=S)H]; Aminophosphines [R2PNH2]; Derivatives thereof}
Phosphinous acids [R2POH], [R2P(= O)H]: Thiophosphinous acids {including[R2PSH]; [R2P(=S)H]; Aminophosphines [R2PNH2]; Derivatives thereof} · 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 | C07F9/46 |
| Official title | Phosphinous acids [R2POH], [R2P(= O)H]: Thiophosphinous acids {including[R2PSH]; [R2P(=S)H]; Aminophosphines [R2PNH2]; Derivatives thereof} |
| Display label | Phosphinous acids [R2POH], [R2P(= O)H]: Thiophosphinous acids {including[R2PSH]; [R2P(=S)H]; Aminophosphines [R2PNH2]; Derivatives thereof} |
| Total patents | 120 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 16 |
| 2017 | 23 |
| 2018 | 9 |
| 2019 | 21 |
| 2020 | 10 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process Improvements In Selective Ethylene Oligomerizations
US-2019375694-A1 · Dec 12, 2019 · US
Phosphorus electrolytic solution containing magnesium ions
US-2019296396-A1 · Sep 26, 2019 · US
Phosphinyl amidine compounds, metal complexes, catalyst systems, and their use to oligomerize or polymerize olefins
US-10144752-B2 · Dec 4, 2018 · US
Ligand compound, catalyst system for olefin oligomerization, and method for oligomerizing olefins using the same
US-2018327528-A1 · Nov 15, 2018 · US
Non-aqueous electrolytic solution and lithium ion secondary battery
US-10128538-B2 · Nov 13, 2018 · US
Non-aqueous electrolytic solution and lithium ion secondary battery
US-2018183099-A1 · Jun 28, 2018 · US
Phosphinyl formamidine compounds, metal complexes, catalyst systems, and their use to oligomerize or polymerize olefins
US-9962689-B2 · May 8, 2018 · US
Molecules having pesticidal utility, and intermediates, compositions, and processes, related thereto
US-9930892-B2 · Apr 3, 2018 · US
Ligand compound, organic chromium compound, catalyst system for olefin oligomerization, and method for oligomerizing olefins using the same
US-2018086860-A1 · Mar 29, 2018 · US
Kinase inhibitors
US-2018086741-A1 · Mar 29, 2018 · US
Organic electroluminescent device
US-9871213-B2 · Jan 16, 2018 · US
LIGAND COMPOUND, CATALYST SYSTEM FOR OLIGOMERIZATION, AND METHOD FOR OLEFIN OLIGOMERIZATION USING THE SAME (As Amended)
US-2017369515-A1 · Dec 28, 2017 · US
Kinase inhibitors
US-9850233-B2 · Dec 26, 2017 · US
High-efficiency organic glass scintillators
US-9845334-B1 · Dec 19, 2017 · US
Process Improvements In Selective Ethylene Oligomerizations
US-2017342000-A1 · Nov 30, 2017 · US
Reduced Polymer Formation For Selective Ethylene Oligomerizations
US-2017342001-A1 · Nov 30, 2017 · US
Ligand compound, catalyst system for olefin oligomerization, and olefin oligomerization method using the same
US-9827561-B2 · Nov 28, 2017 · US
Ethylene Oligomerization With Mixed Ligands
US-2017313634-A1 · Nov 2, 2017 · US
Ligand compound, organic chromium compound, catalyst system for oligomerization of olefins, and method for oligomerizing olefins using the same
US-2017312738-A1 · Nov 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F9/46?
- CPC C07F9/46 is the Cooperative Patent Classification code for “Phosphinous acids [R2POH], [R2P(= O)H]: Thiophosphinous acids {including[R2PSH]; [R2P(=S)H]; Aminophosphines [R2PNH2]; Derivatives thereof}.”
- How many patents are filed under CPC C07F9/46 (Phosphinous acids [R2POH], [R2P(= O)H]: Thiophosphinous acids {including[R2PSH]; [R2P(=S)H]; Aminophosphines [R2PNH2]; Derivatives thereof})?
- Our database includes 120 publications tagged with this CPC code.
- Is patent activity under CPC C07F9/46 growing?
- Publication counts under this code: 3 in 2024 vs 12 in 2025 (latest complete years).