C09B 5/16
Benz-diazabenzanthrones
Official title: Benz-diazabenzanthrones, e.g. anthrapyrimidones
C09B5/16 (Benz-diazabenzanthrones) appears on 16 US grants and 5 published applications in this corpus.
Search patents in C09B- Granted patents
- 16
- Published applications
- 5
- Assignees
- 10
- Inventors
- 39
- Latest grant
- 15 Dec 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Organic colouring agents and coloured polymer compositions with a high stability to weathering15 Dec 2015US 9,212,272 B2Bayer MaterialScience AG
- Radiation-sensitive colored composition, colored cured film, color filter and method of producing the same, solid-state imaging device, liquid crystal display apparatus, and method of producing dye9 Jun 2015US 9,052,458 B2FUJIFILM Corporation
- Organic colouring agents and coloured polymer compositions with a high stability to weathering4 Feb 2014US 8,641,784 B2Bayer MaterialScience AG
- Ink jet recording method and ink jet recording apparatus11 Dec 2012US 8,328,346 B2Canon Kabushiki Kaisha
- Ink jet recording liquid25 Jan 2005US 6,846,351 B2Konica Corporation
- Organic colouring agents and coloured polymer compositions with a high stability to weathering1 May 2014US 2014/0121309 A1Bayer MaterialScience AG
- Radiation-sensitive colored composition, colored cured film, color filter and method of producing the same, solid-state imaging device, liquid crystal display apparatus, and method of producing dye20 Sep 2012US 2012/0235099 A1FUJIFILM Corporation
- Organic colouring agents and coloured polymer compositions with a high stability to weathering21 Jun 2012US 2012/0152150 A1Bayer MaterialScience AG
- Ink jet recording method and ink jet recording apparatus22 Dec 2011US 2011/0310164 A1Canon Kabushiki Kaisha
- Ink jet recording liquid18 Dec 2003US 2003/0231235 A1Konica Corporation
Most cited
By later US patents
- Pigment compositions41US 4,310,359 AToyo Ink Manufacturing Co., Ltd. · 1982
- Free amine-containing polymeric dyes18US 4,339,237 ADynapol · 1982
- Antimicrobial substituted anthra[1,9-cd]pyrazol-6(2H)-ones17US 4,556,654 AWarner-Lambert Company · 1985
- Water-soluble amine-linked polymeric colorants12US 4,144,252 ADynapol · 1979
- Water-soluble amine-linked polymeric colorants9US 4,051,138 ADynapol · 1977