Method for producing 3-chloro-1,1,1,5,5,5-hexafluoro-2-pentene
US-2025270156-A1 · Aug 28, 2025 · US
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Halogenated dienes
Halogenated dienes · 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 | C07C21/19 |
| Official title | Halogenated dienes |
| Display label | Halogenated dienes |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organohalogen compound having conjugated double bond, process for preparing acetate compound and alcohol compound thereof, and compound used to synthesize the organohalogen compound
US-2024174701-A1 · May 30, 2024 · US
Process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate and intermediates thereof
US-11958801-B2 · Apr 16, 2024 · US
Process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate and intermediates thereof
US-2023148099-A1 · May 11, 2023 · US
Process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate and intermediates thereof
US-11591282-B2 · Feb 28, 2023 · US
Fluoroethylene composition
US-2022135504-A1 · May 5, 2022 · US
Method for producing perfluoroalkadiene compounds
US-11225446-B2 · Jan 18, 2022 · US
Process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate and intermediates thereof
US-2021323903-A1 · Oct 21, 2021 · US
Method for producing hexafluoro-1,3-butadiene
US-11117850-B2 · Sep 14, 2021 · US
Method for producing perfluoroalkadiene compounds
US-2021221757-A1 · Jul 22, 2021 · US
Method for producing perfluoroalkadiene compounds
US-11001545-B2 · May 11, 2021 · US
Synthesis of e,e-farnesol, farnesyl acetate and squalene from farnesene via farnesyl chloride
US-2021114953-A1 · Apr 22, 2021 · US
Method for producing perfluoroalkadiene compounds
US-2020010389-A1 · Jan 9, 2020 · US
1-halo-6,9-pentadecadiene and method for producing (7Z,10Z)-7,10-hexadecadienal
US-10138191-B2 · Nov 27, 2018 · US
1-halo-6,9-pentadecadiene and method for producing (7z,10z)-7,10-hexadecadienal
US-2018305284-A1 · Oct 25, 2018 · US
Metathesis catalysts and methods thereof
US-2018127447-A1 · May 10, 2018 · US
Metathesis catalysts and methods thereof
US-9850268-B2 · Dec 26, 2017 · US
Compounds for a liquid-crystalline medium, and the use thereof for high-frequency components
US-9752076-B2 · Sep 5, 2017 · US
7-methyl-3-methylene-7-octenyl halide, method for producing the same, and method for producing 7-methyl-3-methylene-7-octenyl propionate
US-9481619-B2 · Nov 1, 2016 · US
Partially fluorinated compounds
US-9452960-B2 · Sep 27, 2016 · US