C09B 31/22
From a coupling component "d" containing directive hydroxyl and amino groups
Official title: from a coupling component "D" containing directive hydroxyl and amino groups
C09B31/22 (From a coupling component "d" containing directive hydroxyl and amino groups) appears on 22 US grants and 17 published applications in this corpus.
Search patents in C09B- Granted patents
- 22
- Published applications
- 17
- Assignees
- 10
- Inventors
- 38
- Latest grant
- 24 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 3 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Azo compound or salt thereof, and dye-based polarizing film and dye-based polarizing plate containing same24 Sep 2024US 12,098,287 B2Nippon Kayaku Kabushiki Kaisha
- Azo compound, dye-based polarizing film containing same, and polarizing plate11 Dec 2018US 10,150,871 B2Nippon Kayaku Kabushiki Kaisha
- Achromatic polarizing plate with high-transmissivity and high-degree of polarization13 Nov 2018US 10,126,468 B2Nippon Kayaku Kabushiki Kaisha
- Azo compound and dye polarizing film containing the same27 Jan 2015US 8,940,059 B2Nippon Kayaku Kabushiki Kaisha
- Azo compound and salts thereof, as well as dye-based polarization films and polarizing plates comprising the same2 Jul 2013US 8,477,268 B2Nippon Kayaku Kabushiki Kaisha
- Azo Compound Or Salt Thereof, And Dye-Based Polarizing Film And Dye-Based Polarizing Plate Containing Same13 Jan 2022US 2022/0010139 A1Nippon Kayaku Kabushiki Kaisha
- Composition, dichroic substance, light absorption anisotropic film, laminate, and image display device19 Dec 2019US 2019/0382586 A1FUJIFILM Corporation
- Azo Compound, Dye-Based Polarizing Film Containing Same, And Polarizing Plate27 Jul 2017US 2017/0210902 A1Nippon Kayaku Kabushiki Kaisha
- Achromatic Polarizing Plate With High-Transmissivity And High-Degree Of Polarization1 Jun 2017US 2017/0153361 A1Nippon Kayaku Kabushiki Kaisha
- Polarizing Element And Polarizing Plate7 Aug 2014US 2014/0218797 A1Nippon Kayaku Kabushiki Kaisha
Most cited
By later US patents
- Ink, and ink-jet recording method and apparatus employing the ink34US 5,082,496 ACanon Kabushiki Kaisha · 1992
- Water-soluble azo dyes and polarizing films using the dyes24US 5,318,856 AMitsui Toatsu Chemicals, Inc. · 1994
- Ink, and ink-jet recording method and apparatus employing the ink21US 5,130,723 ACanon Kabushiki Kaisha · 1992
- Process for dyeing paper with disazo dyes19US 5,288,294 ACiba-Geigy Corporation · 1994
- Light-polarizing films containing dichroic dyes18US 5,340,504 ABayer Aktiengesellschaft · 1994