C09K 2211/1088
Containing oxygen as the only heteroatom
Official title: containing oxygen as the only heteroatom
C09K2211/1088 (Containing oxygen as the only heteroatom) appears on 1,288 US grants and 1,881 published applications in this corpus.
Search patents in C09K- Granted patents
- 1,288
- Published applications
- 1,881
- Assignees
- 339
- Inventors
- 2,359
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 2 |
| 2002 | 0 | 4 |
| 2003 | 5 | 15 |
| 2004 | 15 | 35 |
| 2005 | 7 | 39 |
| 2006 | 11 | 55 |
| 2007 | 22 | 50 |
| 2008 | 18 | 47 |
| 2009 | 26 | 51 |
| 2010 | 36 | 60 |
| 2011 | 36 | 66 |
| 2012 | 47 | 87 |
| 2013 | 45 | 86 |
| 2014 | 67 | 118 |
| 2015 | 70 | 139 |
| 2016 | 99 | 206 |
| 2017 | 112 | 163 |
| 2018 | 137 | 122 |
| 2019 | 131 | 74 |
| 2020 | 100 | 64 |
| 2021 | 72 | 62 |
| 2022 | 45 | 57 |
| 2023 | 53 | 69 |
| 2024 | 51 | 76 |
| 2025 | 43 | 66 |
| 2026 | 39 | 68 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Aromatic amine derivative, and organic electroluminescent element using same6 Oct 2026US 12,753,145 B2Idemitsu Kosan Co., Ltd.
- Perovskite-organic chromophore based X-ray imagining scintillator6 Oct 2026US 12,755,859 B2King Abdullah University of Science and Technology
- Organic electroluminescent materials and devices22 Sep 2026US 12,742,114 B2Universal Display Corporation
- Organic electroluminescent materials and devices15 Sep 2026US 12,740,307 B2Universal Display Corporation
- Organic molecules for optoelectronic devices11 Aug 2026US 12,703,711 B2Samsung Display Co., Ltd.
- Organic electroluminescent materials and devices8 Oct 2026US 2026/0308446 A1Universal Display Corporation
- Organic electroluminescent materials and devices8 Oct 2026US 2026/0314249 A1Universal Display Corporation
- Organic electroluminescent materials and devices8 Oct 2026US 2026/0314251 A1Universal Display Corporation
- Photochromic compound, naphthol derivative, curable composition, optical article, lens, and eyeglass1 Oct 2026US 2026/0297421 A1Tokuyama Corporation
- Organic electroluminescent material and device thereof1 Oct 2026US 2026/0305158 A1Beijing Summer Sprout Technology Co., Ltd.
Most cited
By later US patents
- Luminescent compounds with carbene ligands938US 7,393,599 B2University of Southern California · 2008
- High-intensity, persistent photoluminescent formulations and objects, and methods for creating the same205US 8,163,201 B2Performance Indicator, LLC · 2012
- Compound for use in organic electroluminescent device and organic electroluminescent device195US 7,993,760 B2Nippon Steel Chemical Co., Ltd. · 2011
- Light-emitting element176US 9,175,213 B2Semiconductor Energy Laboratory Co.Ltd. · 2015
- Organometallic compounds and emission-shifting organic electrophosphorescence126US 7,381,479 B2The Trustees of Princeton University · 2008