C07D 209/84
Separation
Official title: Separation, e.g. from tar; Purification
C07D209/84 (Separation) appears on 4 US grants and 7 published applications in this corpus.
Search patents in C07D- Granted patents
- 4
- Published applications
- 7
- Assignees
- 6
- Inventors
- 51
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Bisanthracene derivatives having solubilizing substituent, and organic electroluminescence device using same10 Feb 2026US 12,545,650 B2LG Chem.Ltd.
- Enantiomeric separation and purification of 2,3,4,9-tetrahydro-1H-carbazole-4-carboxylic acid amide derivatives14 Nov 2017US 9,815,785 B2Ge Healthcare Limited
- Solid phase extraction method23 Jun 2015US 9,061,996 B2Ge Healthcare Limited
- Sublimation purifying method and apparatus12 Apr 2005US 6,878,183 B2Nippon Steel Chemical Co., Ltd.
- Heterocyclic compound, organic light-emitting device including the same, and electronic apparatus including the organic light-emitting device9 Nov 2023US 2023/0357150 A1Samsung Electronics Co., Ltd.
- Light emitting device27 Apr 2023US 2023/0132112 A1Samsung Display Co., Ltd.
- Bisanthracene Derivatives Having Solubilizing Substituent, and Organic Electroluminescence Device Using Same23 Mar 2023US 2023/0089555 A1LG Chem.Ltd.
- Enantiomeric separation and purification of 2,3,4,9-tetrahydro-1h-carbazole-4-carboxylic acid amide derivatives16 Jun 2016US 2016/0168091 A1Ge Healthcare Limited
- Solid phase extraction method3 Oct 2013US 2013/0261315 A1Ge Healthcare Limited
Most cited
By later US patents