C09K 2211/1475
Containing nitrogen and oxygen as heteroatoms
Official title: containing nitrogen and oxygen as heteroatoms
C09K2211/1475 (Containing nitrogen and oxygen as heteroatoms) appears on 100 US grants and 152 published applications in this corpus.
Search patents in C09K- Granted patents
- 100
- Published applications
- 152
- Assignees
- 78
- Inventors
- 356
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 12 |
| 2005 | 1 | 12 |
| 2006 | 5 | 8 |
| 2007 | 5 | 12 |
| 2008 | 7 | 7 |
| 2009 | 2 | 8 |
| 2010 | 9 | 14 |
| 2011 | 7 | 8 |
| 2012 | 5 | 6 |
| 2013 | 2 | 4 |
| 2014 | 3 | 10 |
| 2015 | 10 | 8 |
| 2016 | 5 | 9 |
| 2017 | 5 | 4 |
| 2018 | 8 | 2 |
| 2019 | 3 | 3 |
| 2020 | 3 | 3 |
| 2021 | 3 | 5 |
| 2022 | 3 | 1 |
| 2023 | 2 | 5 |
| 2024 | 3 | 2 |
| 2025 | 2 | 2 |
| 2026 | 4 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Dyes undergoing changes in color and fluorescence upon binding of organic oxo compounds18 Aug 2026US 12,710,366 B2Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft und Energie, dieser vertreten durch den Präsidenten der Bundesanstalt für Materialforschung und -prüfung, (BAM)
- 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)
- Chemiluminescent and fluorescent nanoparticle for optical imaging of cancer24 Mar 2026US 12,582,727 B2The Regents of the University of Colorado, a body corporate
- Electroluminescent polymer based on phenanthroimidazole units, preparation method therefor, and use thereof17 Mar 2026US 12,581,846 B2South China University of Technology
- High transparency electrochromic polymers29 Jul 2025US 12,372,842 B2Ambilight Inc.
- Compound, light-emitting element, display device, and illumination device9 Jul 2026US 2026/0198170 A1Toray Industries, Inc.
- Organic electroluminescent compound and organic electroluminescent device comprising the same18 Jun 2026US 2026/0173647 A1
- Polymer binder including a tag for use in electrochemical cells14 May 2026US 2026/0135108 A1GM Global Technology Operations LLC
- Organic compound and organic electroluminescent device using same10 Jul 2025US 2025/0223491 A1Solus Advanced Materials Co., Ltd.
- High transparency electrochromic polymers13 Feb 2025US 2025/0053054 A1Ambilight Inc.
Most cited
By later US patents
- Organic light emitting diodes for production of polarized light92US 7,037,599 B2Eastman Kodak Company · 2006
- Sub-diffraction limit image resolution and other imaging techniques38US 7,838,302 B2President and Fellows of Harvard College · 2010
- Electroluminescent devices having diarylanthracene polymers16US 6,638,644 B2Eastman Kodak Company · 2003
- Sub-diffraction limit image resolution and other imaging techniques11US 10,073,035 B2President and Fellows of Harvard College · 2018
- Polymeric, phosphorescent, organically semi-conductive emitter materials based on perarylated boranes, method for their production and use thereof9US 7,858,724 B2OSRAM Opto Semiconductors GmbH · 2010