C09K 2211/1466
Containing nitrogen as the only heteroatom
Official title: containing nitrogen as the only heteroatom
C09K2211/1466 (Containing nitrogen as the only heteroatom) appears on 281 US grants and 422 published applications in this corpus.
Search patents in C09K- Granted patents
- 281
- Published applications
- 422
- Assignees
- 209
- Inventors
- 974
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 3 |
| 2003 | 1 | 8 |
| 2004 | 3 | 18 |
| 2005 | 3 | 11 |
| 2006 | 7 | 27 |
| 2007 | 9 | 26 |
| 2008 | 5 | 21 |
| 2009 | 5 | 33 |
| 2010 | 24 | 29 |
| 2011 | 14 | 26 |
| 2012 | 10 | 24 |
| 2013 | 30 | 24 |
| 2014 | 16 | 14 |
| 2015 | 21 | 22 |
| 2016 | 15 | 23 |
| 2017 | 16 | 19 |
| 2018 | 19 | 15 |
| 2019 | 17 | 8 |
| 2020 | 12 | 16 |
| 2021 | 11 | 14 |
| 2022 | 10 | 7 |
| 2023 | 10 | 13 |
| 2024 | 11 | 8 |
| 2025 | 3 | 8 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Humidity-sensing structural color emitting laminate and structural color display device self-powered by triboelectricity including the same laminate8 Sep 2026US 12,730,075 B2University-Industry Foundation, Yonsei University
- Biodegradable textile fibers with inherent color and properties18 Aug 2026US 12,709,640 B2The Trustees of Columbia University in the City of New York
- Electroluminescent element, organic electroluminescent element, and electronic appliance9 Jun 2026US 12,649,731 B2Idemitsu Kosan Co., Ltd.
- Molecularly imprinted fluorescent polymers for direct detection of glyphosate, its degradation products, and metabolites21 Apr 2026US 12,605,695 B2Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft und Energie, dieser vertreten durch den Präsidenten der Bundesanstalt für Materialforschung und -prüfung, (BAM)
- Long-persistent luminescence emitter and long-persistent luminescent device31 Mar 2026US 12,590,245 B2Okinawa Institute of Science and Technology School Corporation
- Benzoporphyrin analogs, conjugates, and methods of use thereof1 Oct 2026US 2026/0295049 A1
- Compound, light-emitting element, display device, and illumination device9 Jul 2026US 2026/0198170 A1Toray Industries, Inc.
- Composition, organic electroluminescent device, and display apparatus23 Apr 2026US 2026/0114180 A1Fuyang Sineva New Material Technology Co., Ltd.
- Compound, Organic Semiconducting Material Comprising the Same, Organic Electronic Device Comprising the Same and Display Device Comprising the Same5 Feb 2026US 2026/0040756 A1Novaled GmbH
- Compound and labeled biological substance using the same25 Dec 2025US 2025/0388811 A1FUJIFILM Corporation
Most cited
By later US patents
- Organic light emitting diodes for production of polarized light92US 7,037,599 B2Eastman Kodak Company · 2006
- Carbazole-containing materials in phosphorescent light emitting diodes44US 8,221,905 B2Universal Display Corporation · 2012
- Polymeric compound and organic luminescence device40US 7,238,435 B2Canon Kabushiki Kaisha · 2007
- Electroluminescent materials35US 9,029,537 B2Lomox Limited · 2015
- White electroluminescent polymer and organic electroluminescent device using the same23US 6,942,931 B2Samsung SDI.Co., Ltd. · 2005