C07C 4/24
Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
Official title: by splitting polyarylsubstituted aliphatic compounds at an aliphatic-aliphatic bond, e.g. 1,4-diphenylbutane to styrene
C07C4/24 (Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms) appears on 17 US grants and 21 published applications in this corpus.
Search patents in C07C- Granted patents
- 17
- Published applications
- 21
- Assignees
- 9
- Inventors
- 27
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 4 |
| 2021 | 5 | 4 |
| 2022 | 3 | 3 |
| 2023 | 0 | 0 |
| 2024 | 3 | 0 |
| 2025 | 0 | 2 |
By publication year.
Recent patents
- Hydrodearylation reactor10 Dec 2024US 12,161,987 B2Saudi Arabian Oil Company
- Method of decomposing phenolic by-products28 May 2024US 11,993,564 B2LG Chem.Ltd.
- Method for decomposing phenolic by-product26 Mar 2024US 11,939,282 B2LG Chem.Ltd.
- Method for decomposing phenolic by-products16 Aug 2022US 11,414,364 B2LG Chern, Ltd.
- Method for decomposing phenolic by-product28 Jun 2022US 11,370,735 B2LG Chem.Ltd.
- Process to upgrade aromatic waste streams25 Sep 2025US 2025/0296899 A1Basell Poliolefine Italia S.r.l.
- Methods for processing aromatic compounds21 Aug 2025US 2025/0263610 A1Saudi Arabian Oil Company
- Method of decomposing phenolic by-products18 Aug 2022US 2022/0259125 A1LG Chem.Ltd.
- Method for decomposing phenolic by-products7 Apr 2022US 2022/0106241 A1LG Chem.Ltd.
- Method for decomposing phenolic by-product13 Jan 2022US 2022/0009868 A1LG Chem.Ltd.
Most cited
By later US patents
- Process for recovery of light alkyl mono-aromatic compounds from heavy alkyl aromatic and alkyl-bridged non-condensed alkyl aromatic compounds37US 10,053,401 B1Saudi Arabian Oil Company · 2018
- Systems and processes for recovery of light alkyl mono-aromatic compounds from heavy alkyl aromatic and alkyl-bridged non-condensed alkyl aromatic compounds14US 10,294,172 B2Saudi Arabian Oil Company · 2019
- Methods and systems of upgrading heavy aromatics stream to petrochemical feedstock12US 10,508,066 B2Saudi Arabian Oil Company · 2019
- Methods and systems of upgrading heavy aromatics stream to petrochemical feedstock2US 10,759,723 B2Saudi Arabian Oil Company · 2020
- Methods and systems of upgrading heavy aromatics stream to petrochemical feedstock2US 11,279,663 B2Saudi Arabian Oil Company · 2022