11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound
US-2026055042-A1 · Feb 26, 2026 · US
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Acyclic unsaturated phosphonium compounds
Acyclic unsaturated phosphonium compounds · 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 | C07F9/5428 |
| Official title | {Acyclic unsaturated phosphonium compounds} |
| Display label | Acyclic unsaturated phosphonium compounds |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2022 | 4 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing L-glufosinate
US-12534482-B2 · Jan 27, 2026 · US
11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound
US-12479786-B2 · Nov 25, 2025 · US
Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery including the same
US-12283663-B2 · Apr 22, 2025 · US
Method for purifying phosphorus-containing olefin compound salt and method for producing olefin compound using purified product obtained thereby
US-12258364-B2 · Mar 25, 2025 · US
L-glufosinate intermediate and L-glufosinate preparation method
US-12252502-B2 · Mar 18, 2025 · US
Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
US-2024047748-A1 · Feb 8, 2024 · US
11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound
US-2022315513-A1 · Oct 6, 2022 · US
Method of producing l-glufosinate
US-2022306658-A1 · Sep 29, 2022 · US
Method for purifying phosphorus-containing olefin compound salt and method for producing olefin compound using purified product obtained thereby
US-2022144864-A1 · May 12, 2022 · US
L-glufosinate intermediate and l-glufosinate preparation method
US-2022024955-A1 · Jan 27, 2022 · US
Reactive ionic liquids
US-9624160-B2 · Apr 18, 2017 · US
Synthesis of peretinoin
US-9296677-B2 · Mar 29, 2016 · US
Reactive ionic liquids
US-2015152045-A1 · Jun 4, 2015 · US
Reactive ionic liquids
US-9006457-B2 · Apr 14, 2015 · US