C09B 56/14
Phthalocyanine-azo dyes
C09B56/14 (Phthalocyanine-azo dyes) appears on 18 US grants and 14 published applications in this corpus.
Search patents in C09B- Granted patents
- 18
- Published applications
- 14
- Assignees
- 11
- Inventors
- 36
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 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 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Infrared-light-transmitting ink of dark color, and infrared-light-reflecting sheet obtained using same13 May 2025US 12,297,359 B2Dai Nippon Printing Co.Ltd.
- Infrared-light-transmitting ink of dark color, and infrared-light-reflecting sheet obtained using same3 Aug 2021US 11,078,373 B2Dai Nippon Printing Co.Ltd.
- Infrared-light-transmitting ink of dark color, and infrared-light-reflecting sheet obtained using same10 Sep 2019US 10,407,579 B2Dai Nippon Printing Co.Ltd.
- Two part composition for concrete surfaces24 Oct 2017US 9,796,855 B2AMERIPOLISH Inc.
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus, and gallium phthalocyanine crystal22 Nov 2016US 9,500,965 B2Canon Kabushiki Kaisha
- Infrared-light-transmitting ink of dark color, and infrared-light-reflecting sheet obtained using same21 Aug 2025US 2025/0263565 A1Dai Nippon Printing Co.Ltd.
- Infrared-light-transmitting ink of dark color, and infrared-light-reflecting sheet obtained using same21 Oct 2021US 2021/0324212 A1Dai Nippon Printing Co.Ltd.
- Infrared-light-transmitting ink of dark color, and infrared-light-reflecting sheet obtained using same14 Nov 2019US 2019/0345349 A1Dai Nippon Printing Co.Ltd.
- Infrared-light-transmitting ink of dark color, and infrared-light-reflecting sheet obtained using same19 Oct 2017US 2017/0298239 A1Dai Nippon Printing Co.Ltd.
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus, and gallium phthalocyanine crystal18 Aug 2016US 2016/0238956 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Electrophotographic imaging members with bichromophoric bisazo phthalocyanine photoconductive materials8US 5,066,796 AXerox Corporation · 1991
- Infrared-light-transmitting ink of dark color, and infrared-light-reflecting sheet obtained using same5US 10,407,579 B2Dai Nippon Printing Co.Ltd. · 2019
- Shading compositions4US 7,909,890 B2The Procter & Gamble Company · 2011
- Detergent compositions4US 8,414,661 B2The Procter & Gamble Company · 2013
- Water-soluble phthalocyanine compounds, process for their preparation and their use2US 5,059,682 ACiba-Geigy Corporation · 1991