C09B 29/06
From coupling components containing amino as the only directing group
Official title: from coupling components containing amino as the only directing group
C09B29/06 (From coupling components containing amino as the only directing group) appears on 504 US grants and 174 published applications in this corpus.
Search patents in C09B- Granted patents
- 504
- Published applications
- 174
- Assignees
- 147
- Inventors
- 777
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 37 | 0 |
| 1978 | 28 | 0 |
| 1979 | 12 | 0 |
| 1980 | 22 | 0 |
| 1981 | 30 | 0 |
| 1982 | 20 | 0 |
| 1983 | 20 | 0 |
| 1984 | 26 | 0 |
| 1985 | 14 | 0 |
| 1986 | 10 | 0 |
| 1987 | 3 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 15 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 3 |
| 2003 | 7 | 5 |
| 2004 | 5 | 10 |
| 2005 | 2 | 3 |
| 2006 | 5 | 7 |
| 2007 | 3 | 5 |
| 2008 | 1 | 8 |
| 2009 | 4 | 5 |
| 2010 | 6 | 10 |
| 2011 | 8 | 11 |
| 2012 | 6 | 5 |
| 2013 | 9 | 8 |
| 2014 | 5 | 9 |
| 2015 | 10 | 28 |
| 2016 | 13 | 17 |
| 2017 | 11 | 7 |
| 2018 | 11 | 7 |
| 2019 | 5 | 5 |
| 2020 | 5 | 6 |
| 2021 | 4 | 4 |
| 2022 | 5 | 5 |
| 2023 | 1 | 3 |
| 2024 | 3 | 1 |
| 2025 | 3 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical sheet and optical component14 Oct 2025US 12,442,954 B2Sumitomo Bakelite Co., Ltd.
- Monoazo dichroic dye compound, polarizing plate composition comprising same, polarizing plate formed therefrom, and optical device comprising same26 Aug 2025US 12,398,326 B2LG Chem.Ltd.
- Heterocyclic red azo colorants for seed treatment applications29 Apr 2025US 12,286,412 B2Milliken & Company
- Monoazo dichroic dye compound, polarizing plate composition comprising same, polarizing plate formed therefrom, and optical device comprising same10 Dec 2024US 12,163,084 B2LG Chem.Ltd.
- Dichroic azo-azomethine dyes for liquid crystal compositions22 Oct 2024US 12,122,919 B2BASF SE
- Coloring composition for color filters and method of manufacturing the same, and color filter for image sensors manufactured using the coloring composition for color filters29 Jan 2026US 2026/0028483 A1Samsung Electronics Co., Ltd.
- Heterocyclic red azo colorants for seed treatment applications31 Oct 2024US 2024/0360090 A1Milliken & Company
- Monoazo dichroic dye compound, polarizing plate composition comprising same, polarizing plate formed therefrom, and optical device comprising same9 Nov 2023US 2023/0357638 A1LG Chem.Ltd.
- Monoazo dichroic dye compound, polarizing plate composition comprising same, polarizing plate formed therefrom, and optical device comprising same26 Oct 2023US 2023/0340331 A1LG Chem.Ltd.
- Optical sheet and optical component12 Jan 2023US 2023/0011467 A1Sumitomo Bakelite Co., Ltd.
Most cited
By later US patents
- Fluorescent quenching detection reagents and methods83US 6,727,356 B1Epoch Pharmaceuticals, Inc. · 2004
- Azo dyes derived from 3-amino pyridine in hair dye compositions80US 4,025,301 ASociete Anonyme dite: L'Oreal · 1977
- Colored thermoplastic resin62US 4,732,570 AMilliken Research Corporation · 1988
- Colored thermoplastic resin composition containing a colorant having an alkylenoxy-substituted chromophore group59US 4,640,690 AMilliken Research Corporation · 1987
- Method for producing lightfast disperse dyestuffs containing a build-in photostabilizer [molecule] compound55US 4,902,787 ANorth Carolina State University · 1990