An integrated process to produce phenol from coal derived liquid
US-2025197331-A1 · Jun 19, 2025 · US
from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene
from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene · 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 | C07C4/12 |
| Official title | from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene |
| Display label | from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heavy aromatic conversion for increased btx production
US-2025154081-A1 · May 15, 2025 · US
Hydrodearylation reactor
US-12161987-B2 · Dec 10, 2024 · US
Methods for producing xylenes with limited ethylbenzene production
US-12098121-B2 · Sep 24, 2024 · US
Methods for producing xylenes with limited ethylbenzene production
US-2024262766-A1 · Aug 8, 2024 · US
Method for producing light aromatic
US-12054680-B2 · Aug 6, 2024 · US
Circular economic methods for fragrance ingredients
US-11873277-B2 · Jan 16, 2024 · US
Method for the conversion of feedstock containing naphtha to low carbon olefins and aromatics
US-11685866-B2 · Jun 27, 2023 · US
Integrated process for optimum production of para-xylene
US-11618723-B2 · Apr 4, 2023 · US
Method for producing light aromatic
US-2022389336-A1 · Dec 8, 2022 · US
Circular economic methods for fragrance ingredients
US-2022324778-A1 · Oct 13, 2022 · US
Methods and systems for producing para-xylene from C8-containing compositions
US-11453624-B2 · Sep 27, 2022 · US
Xylene production processes and systems
US-11377399-B2 · Jul 5, 2022 · US
Method for the conversion of feedstock containing naphtha to low carbon olefins and aromatics
US-2022119717-A1 · Apr 21, 2022 · US
Method of hydrogenolysis for improved production of paraxylene
US-11242301-B2 · Feb 8, 2022 · US
Catalyst composition
US-11229899-B2 · Jan 25, 2022 · US
Hydrodearylation Reactor
US-2021370257-A1 · Dec 2, 2021 · US
Methods and systems for producing para-xylene from C8-containing compositions
US-11111192-B2 · Sep 7, 2021 · US
Hydrodearylation reactor
US-11110428-B2 · Sep 7, 2021 · US
Integrated process for optimum production of para-xylene
US-2021122689-A1 · Apr 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C4/12?
- CPC C07C4/12 is the Cooperative Patent Classification code for “from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene.”
- How many patents are filed under CPC C07C4/12 (from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC C07C4/12 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).