C09B 29/095
Amino naphthalenes
C09B29/095 (Amino naphthalenes) appears on 35 US grants and 10 published applications in this corpus.
Search patents in C09B- Granted patents
- 35
- Published applications
- 10
- Assignees
- 20
- Inventors
- 70
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- 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.
- 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.
- Water-based ink for ink-jet recording6 Sep 2022US 11,434,386 B2Brother Kogyo Kabushiki Kaisha
- Water-resistant organic thin-film, method for producing water-resistant organic thin-film, and image display device including water-resistant organic thin-film24 Mar 2020US 10,598,829 B2Nitto Denko Corporation
- Disperse azo dyes, a process for the preparation thereof and the use thereof17 Jul 2018US 10,023,742 B2Huntsman International LLC
- 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.
- Compound, coloring composition, ink, toner, coloring resin composition, and composition for dyeing fiber15 Jul 2021US 2021/0214560 A1FUJIFILM Corporation
- Water-Based Ink For Ink-Jet Recording3 Oct 2019US 2019/0300735 A1Brother Kogyo Kabushiki Kaisha
- Disperse Azo Dyes, A Process for the Preparation Thereof and the Use Thereof1 Sep 2016US 2016/0251517 A1Huntsman International LLC
Most cited
By later US patents
- Navy-blue nitrophenylazonaphthylamino dyes19US 3,970,617 AE. I. Du Pont de Nemours and Company · 1976
- Diphenylamine compounds, polymers prepared therefrom and non-linear optics devices containing the same18US 5,696,243 AGASF Aktiengesellschaft · 1997
- Molecular tags for organic solvent systems12US 6,514,917 B1United Color Manufacturing, Inc. · 2003
- Monoazo dyes which are free from water-solubilizing groups and which contain a fluorosulphonyl group and process for colouring polyamides and polyester materials therewith11US 5,739,299 AZeneca Limited · 1998
- Diffusion transfer material and process10US 4,450,223 AAgfa-Gevaert · 1984