Antifoulant compositions for high-severity processing of vinylic monomer streams
US-2025282698-A1 · Sep 11, 2025 · US
the hydrocarbon substituent containing a carbon-to-carbon double bond
the hydrocarbon substituent containing a carbon-to-carbon double bond · 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 | C07C15/44 |
| Official title | the hydrocarbon substituent containing a carbon-to-carbon double bond |
| Display label | the hydrocarbon substituent containing a carbon-to-carbon double bond |
| Total patents | 38 |
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 | 4 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Antifoulant compositions for vapor-space applications
US-2025257154-A1 · Aug 14, 2025 · US
Antifoulant compositions for high-severity processing of vinylic monomer streams
US-12344581-B2 · Jul 1, 2025 · US
Antifoulant compositions for vapor-space applications
US-12304980-B2 · May 20, 2025 · US
Method for manufacturing alpha-methylstyrene
US-2024417349-A1 · Dec 19, 2024 · US
Method of decomposing phenolic by-products
US-11993564-B2 · May 28, 2024 · US
Method for producing cumene
US-11912638-B2 · Feb 27, 2024 · US
Antifoulant compositions for vapor-space applications
US-2023312770-A1 · Oct 5, 2023 · US
Antifoulant compositions for high-severity processing of vinylic monomer streams
US-2023312440-A1 · Oct 5, 2023 · US
Inhibitor of vapor space polymerization
US-2023312477-A1 · Oct 5, 2023 · US
Light-absorbing material, recording medium using the same, information recording method and information reading method
US-2023028064-A1 · Jan 26, 2023 · US
Method for producing cumene
US-2022363611-A1 · Nov 17, 2022 · US
Method for decomposing byproducts in phenol production process
US-11407694-B2 · Aug 9, 2022 · US
Method for decomposing phenolic by-product
US-11370735-B2 · Jun 28, 2022 · US
Normal alpha olefin synthesis using dehydroformylation or dehydroxymethylation
US-11072569-B2 · Jul 27, 2021 · US
Normal alpha olefin synthesis using dehydroformylation or dehydroxymethylation
US-10723672-B2 · Jul 28, 2020 · US
Hydrogenated tetrazine-based antioxidants and free radical reaction inhibitors and uses thereof
US-10633517-B2 · Apr 28, 2020 · US
Inhibited noble metal-free mixture that can be hydrosilylated
US-2020055880-A1 · Feb 20, 2020 · US
Energy saving method and apparatus for preparing styrene and alpha-methylstyrene concurrently
US-10322982-B2 · Jun 18, 2019 · US
Polyisocyanate composition and isocyanate polymer composition
US-10301417-B2 · May 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C15/44?
- CPC C07C15/44 is the Cooperative Patent Classification code for “the hydrocarbon substituent containing a carbon-to-carbon double bond.”
- How many patents are filed under CPC C07C15/44 (the hydrocarbon substituent containing a carbon-to-carbon double bond)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC C07C15/44 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).