Process for producing phenol
US-9475745-B2 · Oct 25, 2016 · US
Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof
Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof · 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 | C07C13/28 |
| Official title | Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof |
| Display label | Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof |
| Total patents | 157 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 27 |
| 2016 | 42 |
| 2017 | 31 |
| 2018 | 17 |
| 2019 | 9 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for producing phenol and/or cyclohexanone
US-9469589-B2 · Oct 18, 2016 · US
Process for making alkylated aromatic compound
US-9464011-B2 · Oct 11, 2016 · US
Production and use of 3,4' and 4,4'-dimethylbiphenyl isomers
US-9464166-B2 · Oct 11, 2016 · US
Process for producing phenol
US-9458074-B2 · Oct 4, 2016 · US
Process for producing phenol and/or cyclohexanone from cyclohexylbenzene
US-9452965-B2 · Sep 27, 2016 · US
Liquid crystal compound having a 3,6-dihydro-2h-pyran ring, negative dielectric anisotropy, liquid crystal composition and liquid crystal display device
US-2016230094-A1 · Aug 11, 2016 · US
Liquid-crystalline medium
US-2016208170-A1 · Jul 21, 2016 · US
Liquid crystal composition containing nitrogen-containing cyclic compound and liquid crystal display device
US-2016208172-A1 · Jul 21, 2016 · US
Process for producing phenol
US-9388103-B2 · Jul 12, 2016 · US
Process of producing cyclohexylbenzene
US-9382172-B2 · Jul 5, 2016 · US
Process for producing phenol
US-9382178-B2 · Jul 5, 2016 · US
Iridium-containing catalysts, their production and use
US-9382171-B2 · Jul 5, 2016 · US
Process for making alkylated aromatic compound
US-9364819-B2 · Jun 14, 2016 · US
Activation and use of hydroalkylation catalysts
US-9364823-B2 · Jun 14, 2016 · US
Processes for producing phenol
US-9365474-B2 · Jun 14, 2016 · US
Process of producing cyclohexylbenzene
US-9365467-B2 · Jun 14, 2016 · US
Liquid crystal composition and liquid crystal display device
US-9359553-B2 · Jun 7, 2016 · US
Process for producing phenol
US-9340474-B2 · May 17, 2016 · US
Methods of inhibiting ethylene responses in plants using dicyclopropene compounds
US-9326505-B2 · May 3, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C13/28?
- CPC C07C13/28 is the Cooperative Patent Classification code for “Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof.”
- How many patents are filed under CPC C07C13/28 (Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof)?
- Our database includes 157 publications tagged with this CPC code.
- Is patent activity under CPC C07C13/28 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).