C09B 53/02
Indamines
Official title: Indamines; Indophenols
C09B53/02 (Indamines) appears on 68 US grants and 21 published applications in this corpus.
Search patents in C09B- Granted patents
- 68
- Published applications
- 21
- Assignees
- 34
- Inventors
- 134
- Latest grant
- 8 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 2 |
| 2021 | 3 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical filter, and camera module and electronic device comprising the same8 Aug 2023US 11,719,867 B2Samsung Electronics Co., Ltd.
- Curable composition, cured film, optical filter, laminate, solid image pickup element, image display device, and infrared sensor1 Feb 2022US 11,236,215 B2FUJIFILM Corporation
- Optical filter, and camera module and electronic device comprising the same23 Nov 2021US 11,181,673 B2Samsung Electronics Co., Ltd.
- Derivatives of PPD useful for coloring hair and skin28 Sep 2021US 11,129,782 B2Agency for Science, Technology and Research
- Compound, liquid composition, thermal transfer recording sheet, toner, resist composition for color filter, and color filter1 Jun 2021US 11,021,436 B2Canon Kabushiki Kaisha
- Coloring agent composition, film, optical filter, and near infrared absorbing compound22 Jan 2026US 2026/0022246 A1FUJIFILM Corporation
- Blue pigment and biosynthesis method thereof20 Nov 2025US 2025/0354185 A1Vertexyn Bioworks Co., Ltd.
- Light absorption filter, optical filter, manufacturing method for optical filter, organic electroluminescent display device, inorganic electroluminescent display device, and liquid crystal display device10 Apr 2025US 2025/0116897 A1FUJIFILM Corporation
- Optical filter, and camera module and electronic device comprising the same20 Jan 2022US 2022/0019005 A1Samsung Electronics Co., Ltd.
- Derivatives of ppd useful for coloring hair and skin17 Dec 2020US 2020/0390670 A1Agency for Science, Technology and Research
Most cited
By later US patents
- Dye transfer sheet for sublimation heat-sensitive transfer recording20US 4,829,047 AMitsubishi Chemical Industries Limited · 1989
- Aqueous ink compositions19US 6,344,497 B12002
- Determination of hydrogen peroxide18US 4,251,629 AWako Pure Chemical Industries, Ltd. · 1981
- Bichromophoric methine and azamethine dyes and process for transferring them17US 5,132,438 ABASF SE · 1992
- Chromogenic substrate to peroxidase enzymes15US 5,043,269 A1991