C09B 56/08
Styryl-azo dyes
C09B56/08 (Styryl-azo dyes) appears on 24 US grants and 20 published applications in this corpus.
Search patents in C09B- Granted patents
- 24
- Published applications
- 20
- Assignees
- 15
- Inventors
- 56
- Latest grant
- 2 Jul 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 6 |
| 2012 | 4 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Carrier fluid compounds and dye compounds for electrowetting apparatus2 Jul 2019US 10,338,372 B2Amazon Technologies, Inc.
- Achromatic dye-based highly-transmissive polarization element, and polarization plate19 Feb 2019US 10,209,417 B2Nippon Kayaku Kabushiki Kaisha
- Azo compound and dye polarizing film containing the same27 Jan 2015US 8,940,059 B2Nippon Kayaku Kabushiki Kaisha
- Dichroic dye composition, light absorption anisotropic film, and polarizing element6 Jan 2015US 8,927,070 B2FUJIFILM Corporation
- Ink composition, inkjet recording ink composition, ink set, ink cartridge, inkjet recording method and recorded matter3 Sep 2013US 8,523,990 B2FUJIFILM Corporation
- Achromatic Dye-Based Highly-Transmissive Polarization Element, And Polarization Plate11 Feb 2016US 2016/0041321 A1Nippon Kayaku Kabushiki Kaisha
- Carrier fluid compounds and dye compounds for electrowetting apparatus24 Dec 2015US 2015/0370062 A1Amazon Technologies, Inc.
- Polarizer And Polarizing Plate7 Aug 2014US 2014/0218628 A1Nippon Kayaku Kabushiki Kaisha
- Polarizing Element And Polarizing Plate7 Aug 2014US 2014/0218666 A1Nippon Kayaku Kabushiki Kaisha
- Polarizing Element And Polarizing Plate7 Aug 2014US 2014/0218797 A1Nippon Kayaku Kabushiki Kaisha
Most cited
By later US patents
- Azo compound, aqueous dye solutions containing the same, inks and use thereof14US 7,387,668 B2Nippon Kayaku Kabushiki Kaisha · 2008
- Photosensitive member comprising bisazo pigment13US 4,945,021 AMinolta Camera Kabushiki Kaisha · 1990
- Azo compounds and dye-type polarizing films or plates containing the same9US 7,445,822 B2Nippon Kayaku Kabushiki Kaisha · 2008
- Azo compound, and dye-containing polarizing film comprising the same8US 8,232,375 B2Nippon Kayaku Kabushiki Kaisha · 2012
- Dye-sensitized photoelectric conversion device7US 7,851,701 B2Nippon Kayaku Kabushiki Kaisha · 2010