Methods for removing impurities from hydrocarbons
US-9896631-B2 · Feb 20, 2018 · US
Selective hydrogenation of the diolefin or acetylene compounds
Selective hydrogenation of the diolefin or acetylene compounds · 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 | C10G45/32 |
| Official title | Selective hydrogenation of the diolefin or acetylene compounds |
| Display label | Selective hydrogenation of the diolefin or acetylene compounds |
| Total patents | 255 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 23 |
| 2017 | 18 |
| 2018 | 27 |
| 2019 | 22 |
| 2020 | 34 |
| 2021 | 19 |
| 2022 | 29 |
| 2023 | 23 |
| 2024 | 24 |
| 2025 | 15 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Selective Hydrogenation Using a Flow Index
US-2017349507-A1 · Dec 7, 2017 · US
Process and apparatus for selectively hydrogenating naphtha
US-9822317-B2 · Nov 21, 2017 · US
Hydrocarbon and oxygenate conversion by high severity pyrolysis to make acetylene and ethylene
US-9815751-B2 · Nov 14, 2017 · US
Methods for the production of renewable Dimethyl JP10
US-9802873-B1 · Oct 31, 2017 · US
Selective hydrogenation method
US-9790442-B2 · Oct 17, 2017 · US
Compact device for mixing fluids
US-2017282142-A1 · Oct 5, 2017 · US
Selective hydrogenation using a flow index
US-9758446-B2 · Sep 12, 2017 · US
Process for the production of a gasoline with a low sulfur content
US-9745524-B2 · Aug 29, 2017 · US
Upgrading raw shale-derived crude oils to hydrocarbon distillate fuels
US-9725661-B2 · Aug 8, 2017 · US
Separation method and separation apparatus
US-2017190640-A1 · Jul 6, 2017 · US
Process for the selective hydrogenation of olefinic feeds with a single principal reactor and a guard reactor of reduced size
US-2017174585-A1 · Jun 22, 2017 · US
Reactor comprising outlet collector with inspection port
US-2017166820-A1 · Jun 15, 2017 · US
Selective hydrogenation process
US-9676685-B2 · Jun 13, 2017 · US
Selective Hydrogenation Using a Flow Index
US-2017137346-A1 · May 18, 2017 · US
Complex comprising oxidative dehydrogenation unit
US-2017106346-A1 · Apr 20, 2017 · US
Complex comprising oxidative dehydrogenation unit
US-9545610-B2 · Jan 17, 2017 · US
Process for reforming hydrocarbons
US-2017002281-A1 · Jan 5, 2017 · US
Method for producing hydrocarbon material
US-9533924-B2 · Jan 3, 2017 · US
Steam Cracker Product Fractionation
US-2016376511-A1 · Dec 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10G45/32?
- CPC C10G45/32 is the Cooperative Patent Classification code for “Selective hydrogenation of the diolefin or acetylene compounds.”
- How many patents are filed under CPC C10G45/32 (Selective hydrogenation of the diolefin or acetylene compounds)?
- Our database includes 255 publications tagged with this CPC code.
- Is patent activity under CPC C10G45/32 growing?
- Publication counts under this code: 24 in 2024 vs 15 in 2025 (latest complete years).