1-HALOALKADIENE AND A PROCESS FOR PREPARING THE SAME AND A PROCESS FOR PREPARING (9e, 11z)-9,11-HEXADECADIENYL ACETATE
US-2019322614-A1 · Oct 24, 2019 · US
Chloro-alkenes
Chloro-alkenes · 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 | C07C21/04 |
| Official title | Chloro-alkenes |
| Display label | Chloro-alkenes |
| Total patents | 106 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 21 |
| 2017 | 11 |
| 2018 | 14 |
| 2019 | 14 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions based on 1,1,3,3-tetrachloropropene
US-10427998-B2 · Oct 1, 2019 · US
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
US-2019194514-A1 · Jun 27, 2019 · US
Method for producing 3,7-dimethyl-7-octenol and method for producing 3,7-dimethyl-7-octenyl carboxylate compound
US-2019194099-A1 · Jun 27, 2019 · US
Non-flammable Electrolyte Containing Liquefied Gas and Lithium Secondary Batteries Containing Same
US-2018375156-A1 · Dec 27, 2018 · US
1-halo-6,9-pentadecadiene and method for producing (7Z,10Z)-7,10-hexadecadienal
US-10138191-B2 · Nov 27, 2018 · US
Process for making high purity 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb)
US-10125066-B1 · Nov 13, 2018 · US
1-halo-6,9-pentadecadiene and method for producing (7z,10z)-7,10-hexadecadienal
US-2018305284-A1 · Oct 25, 2018 · US
Fire retardant compounds
US-10093601-B2 · Oct 9, 2018 · US
Process for making tetrachloropropene by catalyzed gas-phase dehydrochlorination of pentachloropropane
US-2018265435-A1 · Sep 20, 2018 · US
Homoallyl halide composition and method for storing homoallyl halide
US-2018244593-A1 · Aug 30, 2018 · US
Method for producing fluorinated organic compounds
US-10059647-B2 · Aug 28, 2018 · US
Method for producing fluorine group-containing haloolefin compound and composition
US-10053405-B2 · Aug 21, 2018 · US
Azeotropic compositions of 1,1,3,3-tetrachloroprop-1-ene and hydrogen fluoride
US-10011546-B2 · Jul 3, 2018 · US
Metathesis catalysts and methods thereof
US-2018127447-A1 · May 10, 2018 · US
Azeotropic or azeotrope-like compositions of 1,3,3-trichloro-3-fluoro-1-ene (HCFO-1231zd) and hydrogen fluoride (HF)
US-9950974-B2 · Apr 24, 2018 · US
Composition containing hydrofluoroolefin compound
US-2018093935-A1 · Apr 5, 2018 · US
AZEOTROPIC OR AZEOTROPE-LIKE COMPOSITIONS OF 1,3,3-TRICHLORO-3-FLUORO-1-ENE (HCFO-1231zd) AND HYDROGEN FLUORIDE (HF)
US-2018057433-A1 · Mar 1, 2018 · US
Metathesis catalysts and methods thereof
US-9850268-B2 · Dec 26, 2017 · US
Method for producing chlorohydrocarbon having conjugated double bonds
US-9845273-B2 · Dec 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C21/04?
- CPC C07C21/04 is the Cooperative Patent Classification code for “Chloro-alkenes.”
- How many patents are filed under CPC C07C21/04 (Chloro-alkenes)?
- Our database includes 106 publications tagged with this CPC code.
- Is patent activity under CPC C07C21/04 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).