C09B 31/20
From a coupling component"d" containing a directive hydroxyl group
Official title: from a coupling component"D" containing a directive hydroxyl group
C09B31/20 (From a coupling component"d" containing a directive hydroxyl group) appears on 23 US grants and 16 published applications in this corpus.
Search patents in C09B- Granted patents
- 23
- Published applications
- 16
- Assignees
- 11
- Inventors
- 52
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 3 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 2 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical sheet and optical component14 Oct 2025US 12,442,954 B2Sumitomo Bakelite Co., Ltd.
- 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
- Anisotropic light absorption film and laminate10 Sep 2024US 12,085,742 B2FUJIFILM Corporation
- Device for regulating the passage of energy6 Aug 2019US 10,370,592 B2Merch Patent GmbH
- Azo compound, dye-based polarizing film containing same, and polarizing plate11 Dec 2018US 10,150,871 B2Nippon Kayaku Kabushiki Kaisha
- Optical sheet and optical component12 Jan 2023US 2023/0011467 A1Sumitomo Bakelite Co., Ltd.
- 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
- Anisotropic light absorption film and laminate16 Jan 2020US 2020/0018879 A1FUJIFILM Corporation
- Coloring composition, dichroic dye compound, light absorption anisotropic film, laminate, and image display device7 Mar 2019US 2019/0071571 A1FUJIFILM Corporation
- Azo Compound Or Salt Thereof, And Polarizing Film Containing Same14 Feb 2019US 2019/0048194 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
- Ink, and recording process using the same30US 5,110,356 ACanon Kabushiki Kaisha · 1992
- Ink, and recording process making use of it28US 5,135,570 ACanon Kabushiki Kaisha · 1992
- Ink jet recording process, device, apparatus and cartridge employing ink23US 5,231,417 ACanon Kabushiki Kaisha · 1993
- Ink, and ink-jet recording method and apparatus employing the ink21US 5,130,723 ACanon Kabushiki Kaisha · 1992