C09B 57/14
Benzoxanthene dyes
Official title: Benzoxanthene dyes; Benzothioxanthene dyes
C09B57/14 (Benzoxanthene dyes) appears on 41 US grants and 24 published applications in this corpus.
Search patents in C09B- Granted patents
- 41
- Published applications
- 24
- Assignees
- 26
- Inventors
- 97
- Latest grant
- 20 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 3 | 5 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluorescent compositions20 Jun 2023US 11,680,202 B2National Technology & Engineering Solutions of Sandia, LLC
- Fluorescent compositions10 Aug 2021US 11,084,978 B2National Technology & Engineering Solutions of Sandia, LLC
- Additive for quality determination of adhesive bond primers3 Aug 2021US 11,078,386 B2Hamilton Sundstrand Corporation
- Perylene bisimides with rigid 2,2′-biphenoxy bridges1 Jun 2021US 11,021,610 B2BASF SE
- Fluorescent compositions21 Jan 2020US 10,538,701 B1National Technology & Engineering Solutions of Sandia, LLC
- Dibenzoxanthene Quenchers, Uses, and Methods of Preparation20 Mar 2025US 2025/0092261 A1Life Technologies Corporation
- Dibenzoxanthene quenchers, uses, and methods of preparation4 Apr 2024US 2024/0110063 A1Life Technologies Corporation
- Fluorescent compositions11 Nov 2021US 2021/0348054 A1National Technology & Engineering Solutions of Sandia, LLC
- Fluorescent compositions14 May 2020US 2020/0148946 A1Rational Technology & Engineering Solutions of Sandia, LLC
- Additive for quality determination of adhesive bond primers9 Apr 2020US 2020/0109317 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Radiation curable ink containing fluorescent nanoparticles31US 8,222,313 B2Xerox Corporation · 2012
- Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers30US 6,110,566 A3M Innovative Properties Company · 2000
- Liquid crystal composition22US 4,588,517 AHitachi, Ltd. · 1986
- Photochromic benzothioxanthone oxides, process for their preparation and the use thereof12US 5,177,218 ACiba-Geigy Corporation · 1993
- Process for dyeing textile sheet-like structures made of polyester fibers for use as warning protective clothing10US 4,443,226 AHoechst Aktiengesellschaft · 1984