C09K 2211/1483
Containing nitrogen and sulfur as heteroatoms
Official title: containing nitrogen and sulfur as heteroatoms
C09K2211/1483 (Containing nitrogen and sulfur as heteroatoms) appears on 122 US grants and 187 published applications in this corpus.
Search patents in C09K- Granted patents
- 122
- Published applications
- 187
- Assignees
- 101
- Inventors
- 445
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 0 | 8 |
| 2004 | 4 | 9 |
| 2005 | 1 | 9 |
| 2006 | 7 | 10 |
| 2007 | 8 | 15 |
| 2008 | 4 | 9 |
| 2009 | 7 | 10 |
| 2010 | 8 | 17 |
| 2011 | 3 | 13 |
| 2012 | 5 | 9 |
| 2013 | 10 | 9 |
| 2014 | 7 | 2 |
| 2015 | 8 | 11 |
| 2016 | 6 | 8 |
| 2017 | 8 | 6 |
| 2018 | 7 | 6 |
| 2019 | 4 | 4 |
| 2020 | 7 | 7 |
| 2021 | 5 | 7 |
| 2022 | 2 | 4 |
| 2023 | 3 | 8 |
| 2024 | 6 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Polymer20 Jun 2024US 2024/0199948 A1Sumitomo Chemical Company, Limited
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Most cited
By later US patents
- Organic light emitting diodes for production of polarized light92US 7,037,599 B2Eastman Kodak Company · 2006
- Electroluminescent materials and methods of manufacture and use39US 7,241,512 B23M Innovative Properties Company · 2007
- Formulation for depositing a light-emitting polymer layer18US 6,762,234 B2Cambridge Display Technology Limited · 2004
- Diketopyrrolopyrrole polymers for use in organic semiconductor devices11US 8,629,238 B2BASF SE · 2014
- Electroluminescent materials and methods of manufacture and use10US 7,442,421 B23M Innovative Properties Company · 2008