C09K 2211/1408
Carbocyclic compounds
C09K2211/1408 (Carbocyclic compounds) appears on 619 US grants and 901 published applications in this corpus.
Search patents in C09K- Granted patents
- 619
- Published applications
- 901
- Assignees
- 323
- Inventors
- 1,736
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 14 |
| 2003 | 5 | 33 |
| 2004 | 16 | 60 |
| 2005 | 18 | 67 |
| 2006 | 33 | 53 |
| 2007 | 34 | 59 |
| 2008 | 21 | 42 |
| 2009 | 27 | 56 |
| 2010 | 39 | 56 |
| 2011 | 33 | 51 |
| 2012 | 31 | 53 |
| 2013 | 47 | 60 |
| 2014 | 29 | 27 |
| 2015 | 33 | 46 |
| 2016 | 32 | 30 |
| 2017 | 45 | 37 |
| 2018 | 36 | 23 |
| 2019 | 33 | 17 |
| 2020 | 14 | 21 |
| 2021 | 21 | 24 |
| 2022 | 14 | 13 |
| 2023 | 11 | 25 |
| 2024 | 20 | 13 |
| 2025 | 11 | 12 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polymer and organic light-emitting device using same15 Sep 2026US 12,735,637 B2LG Chem.Ltd.
- Electrochromic device and manufacturing method therefor8 Sep 2026US 12,729,338 B2Dongjin Semichem Co., Ltd.
- 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
- Electrochromic device with improved cycling stability1 Sep 2026US 12,724,312 B2Ambilight Inc.
- 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)
- Dhnt monomers and polymer dyes with modified photophysical properties17 Sep 2026US 2026/0275028 A1Beckman Coulter, Inc.
- Compound, light-emitting element, display device, and illumination device9 Jul 2026US 2026/0198170 A1Toray Industries, Inc.
- Polycyclic compound, light-emitting device and electronic device18 Jun 2026US 2026/0173756 A1Samsung Display Co., Ltd.
- Light-emitting device, display substrate and display apparatus30 Apr 2026US 2026/0123281 A1Boe Technology Group Co., Ltd.
- Functionalized diacetylene monomers, their polymerization and uses thereof12 Feb 2026US 2026/0042729 A1
Most cited
By later US patents
- Fluorene-containing polymers and compounds useful in the preparation thereof114US 6,169,163 AThe Dow Chemical Company · 2001
- Aminoplast resin photochromic coating composition and photochromic articles103US 6,432,544 B1PPG Industries Ohio, Inc. · 2002
- Organic light emitting diodes for production of polarized light92US 7,037,599 B2Eastman Kodak Company · 2006
- Switchable window based on electrochromic polymers92US 7,256,923 B2University of Washington · 2007
- Organic electroluminescent device with a high-resistance inorganic electron injecting and transporting layer55US 6,288,487 B1TDK Corporation · 2001