C09B 3/82
Preparation from starting materials already containing the condensed anthracene nucleus
C09B3/82 (Preparation from starting materials already containing the condensed anthracene nucleus) appears on 4 US grants and 5 published applications in this corpus.
Search patents in C09B- Granted patents
- 4
- Published applications
- 5
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 18 Feb 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Anthracene-based organic dyes and preparation methods thereof18 Feb 2020US 10,563,064 B2Changchun Institute of Applied Chemistry Chinese Academy of Sciences
- Sensitizer dyes for photoacid generating systems22 Feb 2011US 7,892,702 B2ForceTEC Co., Ltd.
- Fluorogenic substrates27 Sep 2005US 6,949,632 B2Chromagen, Inc.
- Fluorogenic substrates and their use21 Oct 2003US 6,635,435 B1Chromagen, Inc.
- Dyes with pH-dependent absorption and fluorescence19 Mar 2026US 2026/0078258 A1ATTO-TEC GmbH
- Anthracene-based organic dyes and preparation methods thereof18 Apr 2019US 2019/0112480 A1Changchun Institute of Applied Chemistry Chinese Academy of Sciences
- Sensitizer dyes for photoacid generating systems12 Feb 2009US 2009/0042105 A1DCE Aprilis, Inc.
- Sensitizer dyes for photoacid generating systems26 Jan 2006US 2006/0019197 A1Aprilis, Inc.
- Novel fluorogenic substrates for hydrolytic enzymes13 Mar 2003US 2003/0049714 A1Chromagen, Inc.
Most cited
By later US patents