Tri-(adamantyl) phosphines and applications thereof
US-12539508-B2 · Feb 3, 2026 · US
Preparation; Separation; Purification; Stabilisation
Preparation; Separation; Purification; Stabilisation · 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 | C07F9/505 |
| Official title | {Preparation; Separation; Purification; Stabilisation} |
| Display label | Preparation; Separation; Purification; Stabilisation |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 12 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 7 |
| 2023 | 4 |
| 2024 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluorescent chromic material, preparation method and use thereof
US-11873449-B2 · Jan 16, 2024 · US
Tri-(adamantyl)phosphines and applications thereof
US-2024001353-A1 · Jan 4, 2024 · US
Butyl-bridged diphosphine ligands for alkoxycarbonylation
US-2023348356-A1 · Nov 2, 2023 · US
Tri-(adamantyl)phosphines and applications thereof
US-11794180-B2 · Oct 24, 2023 · US
Tri-(adamantyl)phosphines and applications thereof
US-2023158480-A1 · May 25, 2023 · US
Tri-(adamantyl)phosphines and applications thereof
US-11583844-B2 · Feb 21, 2023 · US
Methods for preparing arylphosphine-borane complexes
US-2021380613-A1 · Dec 9, 2021 · US
Phosphine transition metal complex, method for producing same, and anticancer agent
US-11180516-B2 · Nov 23, 2021 · US
Butyl-bridged diphosphine ligands for alkoxycarbonylation
US-2021276939-A1 · Sep 9, 2021 · US
Phosphine transition metal complex, method for producing same, and anticancer agent
US-2021253612-A1 · Aug 19, 2021 · US
Fluorescent chromic material, preparation method and use thereof
US-2021246366-A1 · Aug 12, 2021 · US
Tri-(adamantyl)phosphines and applications thereof
US-2021162389-A1 · Jun 3, 2021 · US
Tri-(adamantyl)phosphines and applications thereof
US-10981157-B2 · Apr 20, 2021 · US
C-bulky p-chirogenic organophosphorus compounds
US-2020407381-A1 · Dec 31, 2020 · US
Method for preparing oligomerization catalyst system and oligomerization catalyst system prepared thereby
US-10870104-B2 · Dec 22, 2020 · US
Method for olefin oligomerization
US-10688482-B2 · Jun 23, 2020 · US
Method for oligomerizing an olefin
US-10471416-B2 · Nov 12, 2019 · US
Deactivator and method for decreasing by-products in olefin oligomerization using the same
US-10413893-B2 · Sep 17, 2019 · US
Monophosphine compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds
US-10294191-B2 · May 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F9/505?
- CPC C07F9/505 is the Cooperative Patent Classification code for “Preparation; Separation; Purification; Stabilisation.”
- How many patents are filed under CPC C07F9/505 (Preparation; Separation; Purification; Stabilisation)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C07F9/505 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2024 (latest complete years).