Method for selective hydrogenation of butadiene extraction tail gas and selective hydrogenation apparatus thereof
US-12570908-B2 · Mar 10, 2026 · US
by hydrogenation
by 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 | C10G70/02 |
| Official title | by hydrogenation |
| Display label | by hydrogenation |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 10 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and Plant for Producing One or More Hydrocarbons
US-2025129303-A1 · Apr 24, 2025 · US
Process and System for Producing One or More Hydrocarbons
US-2025051665-A1 · Feb 13, 2025 · US
Method for selective hydrogenation of butadiene extraction tail gas and selective hydrogenation apparatus thereof
US-2024076559-A1 · Mar 7, 2024 · US
Methods for operating acetylene hydrogenation units in integrated steam cracking and fluidized catalytic dehydrogenation systems
US-11773038-B2 · Oct 3, 2023 · US
Reactivated hydroprocessing catalysts for use in sulfur abatement
US-11629297-B2 · Apr 18, 2023 · US
Process for saturating aromatics in a pyrolysis stream
US-2023024175-A1 · Jan 26, 2023 · US
Methods for operating acetylene hydrogenation units in integrated steam cracking and fluidized catalytic dehydrogenation systems
US-2022227687-A1 · Jul 21, 2022 · US
Reactivated Hydroprocessing Catalysts for Use in Sulfur Abatement
US-2022056349-A1 · Feb 24, 2022 · US
Reactivated hydroprocessing catalysts for use in sulfur abatement
US-11136511-B2 · Oct 5, 2021 · US
Process for sulfur removal from refinery off gas
US-11034630-B2 · Jun 15, 2021 · US
Selective hydrogenation catalyst comprising an extruded support
US-10737243-B2 · Aug 11, 2020 · US
Selective hydrogenation catalyst for a C3 hydrocarbon cut
US-10695748-B2 · Jun 30, 2020 · US
Process and apparatus for producing a mixed feed stream for a steam reforming plant
US-10633250-B2 · Apr 28, 2020 · US
Process for hydrotreatment of a fuel gas stream containing more than 4% olefins
US-10597593-B2 · Mar 24, 2020 · US
Utilization of normal carbon 4 (nc4) recycle stream for secondary and tertiary products
US-2020071286-A1 · Mar 5, 2020 · US
Selective hydrogenation process using a nickel catalyst prepared with an additive containing an amine or amide function or an amino acid
US-10501694-B2 · Dec 10, 2019 · US
Method for separating a hydrocarbon mixture, separating plant and steam cracking plant
US-10465132-B2 · Nov 5, 2019 · US
A process for hydrotreatment of a fuel gas stream containing more than 4% olefins
US-2019284489-A1 · Sep 19, 2019 · US
Complex comprising oxidative dehydrogenation unit
US-10357754-B2 · Jul 23, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10G70/02?
- CPC C10G70/02 is the Cooperative Patent Classification code for “by hydrogenation.”
- How many patents are filed under CPC C10G70/02 (by hydrogenation)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC C10G70/02 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).