C09B 57/001
Pyrene dyes
Official title: {Pyrene dyes}
C09B57/001 (Pyrene dyes) appears on 164 US grants and 230 published applications in this corpus.
Search patents in C09B- Granted patents
- 164
- Published applications
- 230
- Assignees
- 90
- Inventors
- 501
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 3 |
| 2005 | 3 | 4 |
| 2006 | 0 | 5 |
| 2007 | 0 | 4 |
| 2008 | 4 | 18 |
| 2009 | 5 | 8 |
| 2010 | 2 | 22 |
| 2011 | 5 | 13 |
| 2012 | 7 | 19 |
| 2013 | 12 | 19 |
| 2014 | 10 | 14 |
| 2015 | 12 | 20 |
| 2016 | 15 | 23 |
| 2017 | 15 | 6 |
| 2018 | 17 | 15 |
| 2019 | 13 | 5 |
| 2020 | 9 | 5 |
| 2021 | 8 | 6 |
| 2022 | 6 | 5 |
| 2023 | 5 | 5 |
| 2024 | 3 | 5 |
| 2025 | 3 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Temperature programmable small molecules for thermoresponsive smart windows and applications thereof3 Feb 2026US 12,540,278 B2Council of Scientific and Industrial Research
- Droplet assembly by 3D printing6 Jan 2026US 12,515,186 B2Oxford University Innovation Limited
- Color matched and bright fluorescent materials composed of small-molecule ionic lattices19 Aug 2025US 12,391,832 B2Indiana University Research and Technology Corporation
- Electroactive materials18 Feb 2025US 12,232,413 B2LG Chem.Ltd.
- Coloring composition for color filters and method of manufacturing the same, and color filter for image sensors manufactured using the coloring composition for color filters29 Jan 2026US 2026/0028483 A1Samsung Electronics Co., Ltd.
- Fluorescent dye oil tracer compositions13 Mar 2025US 2025/0084759 A1Saudi Arabian Oil Company
- Temperature programmable small molecules for thermoresponsive smart windows and applications thereof5 Dec 2024US 2024/0400898 A1Council of Scientific and Industrial Research
- Compound, fluorescent dye, kit, and method for detecting cells4 Jul 2024US 2024/0218242 A1National University Corporation Ehime University
- Test substance detection method, detection agent composition, detection apparatus, purified water production facility, injection water production facility, purified water production method and injection water production method23 May 2024US 2024/0167996 A1Nomura Micro Science Co., Ltd.
Most cited
By later US patents
- Fluorescent dyes for use in glucose sensing385US 7,417,164 B2Glumetrics, Inc. · 2008
- Imaging system using novel charge transport layer110US 4,233,384 AXerox Corporation · 1980
- Chemically reactive pyrenyloxy sulfonic acid dyes88US 5,132,432 AMolecular Probes, Inc. · 1992
- Organic electroluminescent device60US 6,743,948 B1Idemitsu Kosan Co., Ltd. · 2004
- Organic EL element50US 6,203,933 B1TDK Corporation · 2001