C09B 11/20
Preparation from other triarylmethane derivatives
Official title: Preparation from other triarylmethane derivatives {, e.g. by substitution, by replacement of substituents (for dyesalts of triarylmethane dyes C09B69/06)}
C09B11/20 (Preparation from other triarylmethane derivatives) appears on 24 US grants and 21 published applications in this corpus.
Search patents in C09B- Granted patents
- 24
- Published applications
- 21
- Assignees
- 21
- Inventors
- 71
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 3 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 5 |
| 2019 | 3 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 3 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Violet blue gradient color, blue light resistant and full-screen tempered privacy screen protector11 Mar 2025US 12,248,124 B2Onemore Technology (Shenzhen) Co., Ltd.
- Coloring compound and thermal transfer recording sheet16 Apr 2024US 11,958,978 B2Canon Kabuskiki Kaisha
- Malachite green based radio-chromic compounds and radiation sensing systems incorporating the compounds5 Mar 2024US 11,920,039 B2Battelle Savannah River Alliance, LLC
- Zwitterionic compounds for non-linear optics, sensors, and spectroscopy20 Feb 2024US 11,905,465 B2University of Central Florida Research Foundation, Inc.
- Reactive leuco compounds and compositions comprising the same12 Apr 2022US 11,299,634 B2Milliken & Company
- Xanthene compounds having a wavelength in the range from 650 to 1200 nm23 Jul 2026US 2026/0209251 A1BASF SE
- Silyl Bridged Dyes2 Jan 2025US 2025/0003877 A1University of Massachusetts
- Violet blue gradient color, blue light resistant and full-screen tempered privacy screen protector19 Oct 2023US 2023/0333286 A1Onemore Technology (Shenzhen) Co., Ltd.
- Zwitterionic compounds for non-linear optics, sensors, and spectroscopy8 Dec 2022US 2022/0389306 A1University of Central Florida Research Foundation, Inc.
- Colored curable resin composition, color filter and solid-state imaging element26 May 2022US 2022/0162419 A1Sumitomo Chemical Company, Limited
Most cited
By later US patents
- Unsubstituted and polymeric lactone colorants for coloring consumer products17US 7,544,216 B2Milliken & Company · 2009
- Unsubstituted and polymeric fluoran colorants for coloring consumer products17US 7,637,963 B2Milliken & Company · 2009
- Unsubstituted and polymeric triphenymethane colorants for coloring consumer products16US 7,597,723 B2Milliken & Company · 2009
- Colorant compound16US 8,343,269 B2Canon Kabushiki Kaisha · 2013
- Process for the preparation of dyestuff compositions6US 4,061,464 AHoechst Aktiengesellschaft · 1977