C09B 11/04
Derived from triarylmethanes , i.e. central c-atom is substituted by amino, cyano
Official title: derived from triarylmethanes {, i.e. central C-atom is substituted by amino, cyano, alkyl}
C09B11/04 (Derived from triarylmethanes , i.e. central c-atom is substituted by amino, cyano) appears on 1,047 US grants and 973 published applications in this corpus.
Search patents in C09B- Granted patents
- 1,047
- Published applications
- 973
- Assignees
- 469
- Inventors
- 2,077
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 19 | 0 |
| 1978 | 12 | 0 |
| 1979 | 6 | 0 |
| 1980 | 11 | 0 |
| 1981 | 29 | 0 |
| 1982 | 18 | 0 |
| 1983 | 11 | 0 |
| 1984 | 9 | 0 |
| 1985 | 15 | 0 |
| 1986 | 11 | 0 |
| 1987 | 15 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 12 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 12 | 0 |
| 1994 | 15 | 0 |
| 1995 | 13 | 0 |
| 1996 | 5 | 0 |
| 1997 | 12 | 0 |
| 1998 | 14 | 0 |
| 1999 | 16 | 0 |
| 2000 | 21 | 0 |
| 2001 | 14 | 6 |
| 2002 | 11 | 12 |
| 2003 | 12 | 22 |
| 2004 | 10 | 31 |
| 2005 | 15 | 32 |
| 2006 | 20 | 38 |
| 2007 | 22 | 32 |
| 2008 | 23 | 40 |
| 2009 | 23 | 34 |
| 2010 | 18 | 24 |
| 2011 | 27 | 42 |
| 2012 | 20 | 32 |
| 2013 | 32 | 47 |
| 2014 | 34 | 48 |
| 2015 | 33 | 44 |
| 2016 | 43 | 68 |
| 2017 | 52 | 57 |
| 2018 | 46 | 85 |
| 2019 | 61 | 55 |
| 2020 | 44 | 44 |
| 2021 | 39 | 32 |
| 2022 | 22 | 33 |
| 2023 | 23 | 37 |
| 2024 | 28 | 31 |
| 2025 | 22 | 32 |
| 2026 | 16 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aromatic amine derivative, and organic electroluminescent element using same6 Oct 2026US 12,753,145 B2Idemitsu Kosan Co., Ltd.
- Method for the preparation of diarylmethane dyes and triarylmethane dyes including isosulfan blue22 Sep 2026US 12,741,934 B2Nj Bio, Inc.
- Chemiluminescent compounds for multiplexing1 Sep 2026US 12,724,033 B2Abbott Laboratories
- Compound, cellular vesicle staining agent, and method of fluorescent staining for cellular vesicles11 Aug 2026US 12,704,443 B2National University Corporation Tokai National Higher Education and Research System
- Single cell selection and isolation21 Jul 2026US 12,687,495 B2Erasmus University Medical Center Rotterdam
- Composition of triarylmethane sulfone compounds1 Oct 2026US 2026/0297021 A1Provepharm Life Solutions
- Photoactive fluorescent compounds and use thereof for labeling of proteins3 Sep 2026US 2026/0259217 A1Eikon Therapeutics, Inc.
- Photochromic compound, photochromic composition, photochromic article and spectacles13 Aug 2026US 2026/0234119 A1Hoya Lens Thailand Ltd.
- Photoactive fluorescent compounds and use thereof for labeling of proteins13 Aug 2026US 2026/0234403 A1
- Xanthene compounds having a wavelength in the range from 650 to 1200 nm23 Jul 2026US 2026/0209251 A1BASF SE
Most cited
By later US patents
- Reagent for detecting an analyte468US 7,892,748 B2Precisense A/S · 2011
- Reagent for detecting an analyte465US 8,318,443 B2Medtronic MiniMed, Inc. · 2012
- 4,7-dichlorofluorescein dyes as molecular probes318US 5,188,934 AApplied Biosystems, LLC · 1993
- Energy transfer dyes with enchanced fluorescence280US 5,800,996 AThe Perkin-Elmer Corporation · 1998
- Photochromic indeno-fused naphthopyrans245US 5,645,767 ATransitions Optical, Inc. · 1997