C08G 2261/512
Hole transport
C08G2261/512 (Hole transport) appears on 240 US grants and 354 published applications in this corpus.
Search patents in C08G- Granted patents
- 240
- Published applications
- 354
- Assignees
- 138
- Inventors
- 723
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 3 |
| 2007 | 0 | 4 |
| 2008 | 0 | 1 |
| 2009 | 2 | 4 |
| 2010 | 4 | 11 |
| 2011 | 5 | 16 |
| 2012 | 6 | 22 |
| 2013 | 10 | 17 |
| 2014 | 13 | 20 |
| 2015 | 14 | 17 |
| 2016 | 15 | 26 |
| 2017 | 16 | 36 |
| 2018 | 26 | 35 |
| 2019 | 29 | 38 |
| 2020 | 27 | 41 |
| 2021 | 24 | 29 |
| 2022 | 21 | 16 |
| 2023 | 5 | 6 |
| 2024 | 15 | 8 |
| 2025 | 6 | 4 |
| 2026 | 2 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Polymer and organic light emitting device comprising same14 Jul 2026US 12,685,006 B2LG Chem.Ltd.
- Polymer and organic light-emitting diode using same12 May 2026US 12,628,546 B2LG Chem.Ltd.
- Copolymer, electroluminescence device material including copolymer, and electroluminescence device11 Nov 2025US 12,466,947 B2Samsung Electronics Co., Ltd.
- Method for producing a polymer film16 Sep 2025US 12,415,938 B2Turun Yliopisto
- Conductive compositions of conductive polymer and metal coated fiber16 Sep 2025US 12,417,859 B2The Boeing Company
- Polymer hole-transporting materials and application thereof18 Dec 2025US 2025/0386724 A1The Hong Kong University of Science and Technology
- Claims method for producing a polymer film27 Nov 2025US 2025/0361420 A1Turun Yliopisto
- Polymer, composition, and optoelectronic device19 Jun 2025US 2025/0197561 A1Guangdong Juhua Research Institute of Advanced Display
- Conjugated polymers as hole transport materials for enhanced thermal stability in optoelectronic devices15 May 2025US 2025/0160193 A1Georgia Tech Research Corporation
- In-Situ crosslinking of 9,9' -spirobifluorene-based compounds for use in optoelectronic and/or in photoelectrochemical devices and manufacture thereof17 Oct 2024US 2024/0349587 A1Kaunas University of Technology
Most cited
By later US patents
- Fibrillated polymer compositions and methods of their manufacture118US 10,400,080 B2Sabic Global Technologies B.V. · 2019
- Hole transport composition16US 8,343,381 B1E. I. Du Pont de Nemours and Company · 2013
- Solid electrolytic capacitor with improved leakage current15US 10,741,333 B2AVX Corporation · 2020
- Hole injection/transport layer compositions and devices15US 7,569,159 B2Plextronics, Inc. · 2009
- Conductive compositions of conductive polymer and metal coated fiber14US 11,875,914 B2The Boeing Company · 2024