Cracker recycles to value added chemicals
US-2024351964-A1 · Oct 24, 2024 · US
with five carbon atoms
with five carbon atoms · 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 | C07C9/18 |
| Official title | with five carbon atoms |
| Display label | with five carbon atoms |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 3 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat integration via heat pump on a bottom dividing wall column
US-2023201740-A1 · Jun 29, 2023 · US
Separation membrane and method of producing separation membrane
US-11179681-B2 · Nov 23, 2021 · US
Catalysts and processes for making catalysts for producing neopentane
US-10994264-B2 · May 4, 2021 · US
Fuel upgrading and reforming with metal organic framework
US-10926242-B2 · Feb 23, 2021 · US
Production of neopentane
US-10870610-B2 · Dec 22, 2020 · US
Catalytic activation and alkylation of isopentane-enriched mixtures
US-10815438-B2 · Oct 27, 2020 · US
Catalytic activation of isopentane-enriched mixtures
US-10774017-B2 · Sep 15, 2020 · US
Zeolite-like metal-organic frameworks with ana topology
US-10759724-B2 · Sep 1, 2020 · US
Catalytic activation and oligomerization of isopentane-enriched mixtures
US-10745328-B2 · Aug 18, 2020 · US
Mesoporous and macroporous nickel-based catalyst having a median macropore diameter of between 50 nm and 200 nm and its use with regard to hydrogenation
US-10668451-B2 · Jun 2, 2020 · US
Production of neopentane
US-10654770-B2 · May 19, 2020 · US
Mesoporous and macroporous nickel-based catalyst having a median macropore diameter of greater than 200 nm and its use with regard to hydrogenation
US-10618033-B2 · Apr 14, 2020 · US
Separation membrane and method of producing separation membrane
US-2020078743-A1 · Mar 12, 2020 · US
Catalysts and Processes for Making Catalysts for Producing Neopentane
US-2019366306-A1 · Dec 5, 2019 · US
Production of neopentane
US-10487023-B2 · Nov 26, 2019 · US
Catalytic activation of isopentane-enriched mixtures
US-2019300454-A1 · Oct 3, 2019 · US
Catalytic activation and alkylation of isopentane-enriched mixtures
US-2019300804-A1 · Oct 3, 2019 · US
Catalytic activation and oligomerization of isopentane-enriched mixtures
US-2019300455-A1 · Oct 3, 2019 · US
Membrane separation method and membrane separation device
US-2019247783-A1 · Aug 15, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C9/18?
- CPC C07C9/18 is the Cooperative Patent Classification code for “with five carbon atoms.”
- How many patents are filed under CPC C07C9/18 (with five carbon atoms)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C07C9/18 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2024 (latest complete years).