C08G 2261/3241
Containing one or more nitrogen atoms as the only heteroatom
Official title: containing one or more nitrogen atoms as the only heteroatom, e.g. carbazole
C08G2261/3241 (Containing one or more nitrogen atoms as the only heteroatom) appears on 344 US grants and 470 published applications in this corpus.
Search patents in C08G- Granted patents
- 344
- Published applications
- 470
- Assignees
- 201
- Inventors
- 992
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 6 |
| 2010 | 2 | 7 |
| 2011 | 4 | 19 |
| 2012 | 4 | 23 |
| 2013 | 13 | 34 |
| 2014 | 23 | 37 |
| 2015 | 24 | 26 |
| 2016 | 28 | 41 |
| 2017 | 28 | 49 |
| 2018 | 36 | 41 |
| 2019 | 39 | 34 |
| 2020 | 30 | 37 |
| 2021 | 26 | 27 |
| 2022 | 22 | 22 |
| 2023 | 20 | 22 |
| 2024 | 21 | 26 |
| 2025 | 18 | 13 |
| 2026 | 5 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Blue-excitable water-solvated polymeric dyes14 Jul 2026US 12,679,978 B2Becton, Dickinson and Company
- High selectivity and high CO2 plasticization resistant polymeric membranes for gas separations9 Jun 2026US 12,649,820 B2Uop LLC
- Electroluminescent polymer based on phenanthroimidazole units, preparation method therefor, and use thereof17 Mar 2026US 12,581,846 B2South China University of Technology
- Anti-reflective hard mask composition27 Jan 2026US 12,535,736 B2Chempole Co., Ltd.
- High transparency electrochromic polymers20 Jan 2026US 12,529,932 B2Ambilight Inc.
- Polymer and manufacturing method thereof and material for anion exchange comprising the same30 Jul 2026US 2026/0217915 A1Hanwha Solutions Corporation
- High selectivity and high co2 plasticization resistant polymeric membranes for gas separations18 Jun 2026US 2026/0167768 A1Uop LLC
- Polymer hole-transporting materials and application thereof18 Dec 2025US 2025/0386724 A1The Hong Kong University of Science and Technology
- Fluorescent Methods and Materials for Directed Biomarker Signal Amplification27 Nov 2025US 2025/0362301 A1
- Organic random polymer and organic optoelectronic device using the same27 Nov 2025US 2025/0366360 A1Raynergy Tek Incorporation
Most cited
By later US patents
- Fluorescent methods and materials for directed biomarker signal amplification83US 8,158,444 B2Sirigen, Inc. · 2012
- Fluorescent methods and materials for directed biomarker signal amplification62US 8,802,450 B2Sirigen, Inc. · 2014
- Fluorescent methods and materials for directed biomarker signal amplification57US 8,354,239 B2Sirigen, Inc. · 2013
- Systems and methods for ultrasound-based medical device assessment54US 9,949,720 B2C. R. Bard, Inc. · 2018
- Fluorescent methods and materials for directed biomarker signal amplification50US 9,383,353 B2Sirigen, Inc. · 2016