Process for the Production of Xylenes
US-2015376086-A1 · Dec 31, 2015 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C07C2/66 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 351 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 77 |
| 2016 | 59 |
| 2017 | 38 |
| 2018 | 30 |
| 2019 | 46 |
| 2020 | 22 |
| 2021 | 20 |
| 2022 | 16 |
| 2023 | 18 |
| 2024 | 13 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the Production of Xylenes
US-2015376087-A1 · Dec 31, 2015 · US
Catalyst for conversion of hydrocarbons, process of making and process of using thereof—incorporation-1
US-9221723-B2 · Dec 29, 2015 · US
Integrated process for the preparation of an aromatic product
US-9221726-B2 · Dec 29, 2015 · US
Selecting an improved catalyst composition and hydrocarbon conversion process using same
US-9217735-B2 · Dec 22, 2015 · US
Methods for producing linear alkylbenzenes, paraffins, and olefins from natural oils and kerosene
US-2015361012-A1 · Dec 17, 2015 · US
Alkylation process
US-9199892-B2 · Dec 1, 2015 · US
Systems and methods of producing aromatic products
US-9199896-B2 · Dec 1, 2015 · US
Process for production of dialkylbenzenes
US-9193642-B2 · Nov 24, 2015 · US
Production of alkylaromatic compounds
US-9187384-B2 · Nov 17, 2015 · US
Process for the alkylation of organic compounds
US-9181145-B2 · Nov 10, 2015 · US
Process for Producing Cumene With Alkylation Effluent Recycle
US-2015315096-A1 · Nov 5, 2015 · US
Detergent alkylation process for controlling alkylation exotherm with paraffins
US-9174891-B2 · Nov 3, 2015 · US
Liquid phase alkylation process
US-9169173-B2 · Oct 27, 2015 · US
Process for Producing Phenol
US-2015291493-A1 · Oct 15, 2015 · US
Linear alkylbenzenes from natural oils and methods of producing
US-2015284662-A1 · Oct 8, 2015 · US
Methods and apparatus for treating a hydrocarbon stream
US-9150463-B2 · Oct 6, 2015 · US
Methods and apparatus for treating a hydrocarbon stream
US-9150464-B2 · Oct 6, 2015 · US
Bismuth-modified molecular sieves and methods for preparing and using bismuth-modified molecular sieves
US-2015273453-A1 · Oct 1, 2015 · US
Hydroalkylating process
US-9144792-B2 · Sep 29, 2015 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2/66?
- CPC C07C2/66 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C07C2/66 (Chemistry & Metallurgy)?
- Our database includes 351 publications tagged with this CPC code.
- Is patent activity under CPC C07C2/66 growing?
- Publication counts under this code: 13 in 2024 vs 11 in 2025 (latest complete years).