Ylide-functionalised phosphanes for use in metal complexes and homogeneous catalysis
US-12521704-B2 · Jan 13, 2026 · US
Formation or introduction of functional groups containing nitrogen
Formation or introduction of functional groups containing nitrogen · 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 | C07B43/00 |
| Official title | Formation or introduction of functional groups containing nitrogen |
| Display label | Formation or introduction of functional groups containing nitrogen |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Selective partial reduction of esters using group iv transition metal catalysts and uses thereof
US-2025100984-A1 · Mar 27, 2025 · US
Manganese based complexes and uses thereof for homogeneous catalysis
US-12145139-B2 · Nov 19, 2024 · US
Ylide-functionalised phosphanes for use in metal complexes and homogeneous catalysis
US-2024149256-A1 · May 9, 2024 · US
Diversity-oriented synthesis of N,N,O-trisubstituted hydroxylamines from alcohols and amines by N—O bond formation
US-11912647-B2 · Feb 27, 2024 · US
Manganese based complexes and uses thereof for homogeneous catalysis
US-2023372915-A1 · Nov 23, 2023 · US
Manganese based complexes and uses thereof for homogeneous catalysis
US-11731116-B2 · Aug 22, 2023 · US
Direct oxidative amination of hydrocarbons
US-11396492-B2 · Jul 26, 2022 · US
Compositions and methods of promoting organic photocatalysis
US-11345771-B2 · May 31, 2022 · US
Diversity-oriented synthesis of n,n,o-trisubstituted hydroxylamines from alcohols and amines by n-o bond formation
US-2021363098-A1 · Nov 25, 2021 · US
Compositions and methods of promoting organic photocatalysis
US-2021269558-A1 · Sep 2, 2021 · US
Beta-lactam compounds and methods of use thereof
US-2021207188-A1 · Jul 8, 2021 · US
Ylide-functionalised phosphanes for use in metal complexes and homogeneous catalysis
US-2021205800-A1 · Jul 8, 2021 · US
Compositions and methods of promoting organic photocatalysis
US-10975171-B2 · Apr 13, 2021 · US
Ylide-functionalised phosphanes for use in metal complexes and homogeneous catalysis
US-10940470-B2 · Mar 9, 2021 · US
Synthesis of transition-metal adamantane salts and oxide nanocomposites, and systems and methods including the salts or the nanocomposites
US-10906028-B2 · Feb 2, 2021 · US
Bifunctional conjugate compositions and associated methods
US-10881718-B2 · Jan 5, 2021 · US
Carbon dioxide as a directing group for C—H functionalization reactions involving Lewis basic amines, alcohols, thiols, and phosphines for the synthesis of compounds
US-10865163-B2 · Dec 15, 2020 · US
Direct oxidative amination of hydrocarbons
US-2020377448-A1 · Dec 3, 2020 · US
Ylide-functionalised phosphanes for use in metal complexes and homogeneous catalysis
US-2020164354-A1 · May 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07B43/00?
- CPC C07B43/00 is the Cooperative Patent Classification code for “Formation or introduction of functional groups containing nitrogen.”
- How many patents are filed under CPC C07B43/00 (Formation or introduction of functional groups containing nitrogen)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C07B43/00 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).