Ethane separation with cryogenic heat exchanger
US-2022316798-A1 · Oct 6, 2022 · US
Propane
Propane · 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 | C07C9/08 |
| Official title | Propane |
| Display label | Propane |
| Total patents | 91 |
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 | 1 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 17 |
| 2020 | 18 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing olefin using circulating fluidized bed process
US-2021354112-A1 · Nov 18, 2021 · US
Gas-phase process for preparing ethylene polymers
US-2021332167-A1 · Oct 28, 2021 · US
Catalyst for producing olefin, and continuous reaction-regeneration olefin producing method using the catalyst
US-11148123-B2 · Oct 19, 2021 · US
Bimetallic Catalysts Supported on Zeolites for Selective Conversion of n-Butane to Ethane
US-2021316285-A1 · Oct 14, 2021 · US
Method to produce bio-renewable propylene from oils and fats
US-2021300843-A1 · Sep 30, 2021 · US
Fuel production from alcohols
US-11097995-B1 · Aug 24, 2021 · US
Heat storage in chemical reactors
US-2021147737-A1 · May 20, 2021 · US
Ignition of oxidative coupling of methane while reducing ratio of methane to oxygen
US-10995044-B2 · May 4, 2021 · US
Gas refining apparatus, gas refining method, propene manufacturing apparatus, and propane manufacturing apparatus
US-2020398210-A1 · Dec 24, 2020 · US
Oxidative coupling of methane at near ambient feed temperature
US-10843982-B2 · Nov 24, 2020 · US
Methods and apparatuses for purifying crude propane
US-10829425-B2 · Nov 10, 2020 · US
Olefin production method comprising reduction pretreatment
US-10821432-B2 · Nov 3, 2020 · US
Oxidative coupling of methane at near ambient feed temperature
US-2020339488-A1 · Oct 29, 2020 · US
Separation of off gases from C3 hydrocarbons in propane dehydrogenation process
US-10787402-B2 · Sep 29, 2020 · US
High selectivity facilitated transport membrane comprising polyethersulfone/polyethylene oxide-polysilsesquioxane blend membrane for olefin/paraffin separations
US-10751670-B2 · Aug 25, 2020 · US
Olefin production method using circulating fluidized bed process
US-10737990-B2 · Aug 11, 2020 · US
Production of bio-based liquefied petroleum gas
US-2020239798-A1 · Jul 30, 2020 · US
Methods and apparatuses for purifying crude propane
US-2020216375-A1 · Jul 9, 2020 · US
Method and system for light olefin separation
US-10683246-B2 · Jun 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C9/08?
- CPC C07C9/08 is the Cooperative Patent Classification code for “Propane.”
- How many patents are filed under CPC C07C9/08 (Propane)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC C07C9/08 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).