Recycled content organic chemical compounds from waste plastic
US-2026035324-A1 · Feb 5, 2026 · US
Partial hydrogenation
Partial hydrogenation · 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 | C07C5/11 |
| Official title | Partial hydrogenation |
| Display label | Partial hydrogenation |
| Total patents | 54 |
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 | 7 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 12 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Selective photocatalytic reduction of alkynes to alkenes
US-12540107-B2 · Feb 3, 2026 · US
Method for preparing a catalyst comprising an active nickel phase distributed in a shell via hexanol impregnation
US-12465909-B2 · Nov 11, 2025 · US
Method for preparing a catalyst comprising a nickel active phase distributed in a crust via impregnation of heptanol
US-12458960-B2 · Nov 4, 2025 · US
Hydrogenation catalyst and preparation method therefor and use thereof, and hydrogenation reaction method for oil products
US-2025319460-A1 · Oct 16, 2025 · US
Non-cryogenic, ammonia-free reduction of aryl compounds
US-12421178-B2 · Sep 23, 2025 · US
Heavy aromatic conversion for increased btx production
US-2025154081-A1 · May 15, 2025 · US
Method of improving selective hydrogenation of unsaturated hydrocarbon in aromatic fraction through catalyst pretreatment
US-12263470-B2 · Apr 1, 2025 · US
Systems and methods for reforming a heavy aromatic stream
US-12221407-B2 · Feb 11, 2025 · US
Catalyst comprising an active nickel phase distributed in a shell
US-12121882-B2 · Oct 22, 2024 · US
Method for preparing a catalyst comprising a nickel active phase distributed in a crust via impregnation of heptanol
US-2024326032-A1 · Oct 3, 2024 · US
Method for preparing a catalyst comprising an active nickel phase distributed in a shell via hexanol impregnation
US-2024326033-A1 · Oct 3, 2024 · US
Method of Improving Selective Hydrogenation of Unsaturated Hydrocarbon in Aromatic Fraction Through Catalyst Pretreatment
US-2024299912-A1 · Sep 12, 2024 · US
Catalyst comprising an active nickel sulfur phase distributed in a shell
US-12064751-B2 · Aug 20, 2024 · US
Systems and methods for reforming a heavy aromatic stream
US-2024217900-A1 · Jul 4, 2024 · US
Selective photocatalytic reduction of alkynes to alkenes
US-2024208885-A1 · Jun 27, 2024 · US
Method of improving selective hydrogenation of unsaturated hydrocarbon in aromatic fraction through catalyst pretreatment
US-12011709-B2 · Jun 18, 2024 · US
Systems and methods for reforming a heavy aromatic stream
US-11952332-B2 · Apr 9, 2024 · US
Non-Cryogenic, Ammonia-Free Reduction of Aryl Compounds
US-2024092708-A1 · Mar 21, 2024 · US
Non-cryogenic, ammonia-free reduction of aryl compounds
US-11866386-B2 · Jan 9, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C5/11?
- CPC C07C5/11 is the Cooperative Patent Classification code for “Partial hydrogenation.”
- How many patents are filed under CPC C07C5/11 (Partial hydrogenation)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC C07C5/11 growing?
- Publication counts under this code: 12 in 2024 vs 7 in 2025 (latest complete years).