C09B 11/12
Without any oh group bound to an aryl nucleus
Official title: without any OH group bound to an aryl nucleus
C09B11/12 (Without any oh group bound to an aryl nucleus) appears on 173 US grants and 164 published applications in this corpus.
Search patents in C09B- Granted patents
- 173
- Published applications
- 164
- Assignees
- 110
- Inventors
- 382
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 4 |
| 2004 | 2 | 3 |
| 2005 | 2 | 7 |
| 2006 | 3 | 5 |
| 2007 | 2 | 2 |
| 2008 | 4 | 10 |
| 2009 | 8 | 2 |
| 2010 | 2 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 3 |
| 2013 | 4 | 11 |
| 2014 | 2 | 6 |
| 2015 | 6 | 5 |
| 2016 | 9 | 17 |
| 2017 | 7 | 6 |
| 2018 | 6 | 26 |
| 2019 | 14 | 19 |
| 2020 | 15 | 10 |
| 2021 | 12 | 5 |
| 2022 | 6 | 6 |
| 2023 | 3 | 6 |
| 2024 | 7 | 5 |
| 2025 | 2 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for the preparation of diarylmethane dyes and triarylmethane dyes including isosulfan blue22 Sep 2026US 12,741,934 B2Nj Bio, Inc.
- 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
- Process for synthesizing sulfonated triaryl methane compounds30 Jun 2026US 12,668,570 B2Provepharm Life Solutions
- Fluorogenic pH-sensitive compounds and their methods of use16 Dec 2025US 12,497,515 B2Life Technologies Corporation
- Violet blue gradient color, blue light resistant and full-screen tempered privacy screen protector11 Mar 2025US 12,248,124 B2Onemore Technology (Shenzhen) Co., Ltd.
- Composition of triarylmethane sulfone compounds1 Oct 2026US 2026/0297021 A1Provepharm Life Solutions
- Xanthene compounds having a wavelength in the range from 650 to 1200 nm23 Jul 2026US 2026/0209251 A1BASF SE
- Triarylmethane Dyes7 Aug 2025US 2025/0250440 A1Kinnos Inc.
- Silyl Bridged Dyes2 Jan 2025US 2025/0003877 A1University of Massachusetts
- Colored resin composition, colored resin composition set, and color filter17 Oct 2024US 2024/0343926 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- Xanthylium dyes that are well retained in mitochondria56US 5,459,268 AMolecular Probes, Inc. · 1995
- Xanthylium dyes that are well retained in mitochondria50US 5,686,261 AMolecular Probes, Inc. · 1997
- Method of quantitatively measuring an oxidative substance using triphenyl methane type leuco-pigment as a coloring substance45US 4,778,753 AWako Pure Chemical Industries, Ltd. · 1988
- Rhodamine dyes40US 4,647,675 ABASF SE · 1987
- Fluorogenic pH sensitive dyes and their method of use37US 9,939,454 B2Life Technologies Corporation · 2018