C09B 35/24
The tetrazo component being a derivative of a diaryl amine
Official title: the tetrazo component being a derivative of a diaryl amine
C09B35/24 (The tetrazo component being a derivative of a diaryl amine) appears on 13 US grants and 1 published applications in this corpus.
Search patents in C09B- Granted patents
- 13
- Published applications
- 1
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 22 Nov 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Optical information recording medium using bisazo or trisazo compounds15 Aug 1995US 5,441,844 ARicoh Company, Ltd.
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Most cited
By later US patents
- Electrophotographic photosensitive member containing disazo compound16US 4,760,003 ACanon Kabushiki Kaisha · 1988
- Dinitro compounds, diamino compounds and triamine compounds and preparation methods thereof9US 5,047,590 ARicoh Company, Ltd. · 1991
- Bisazo photoconductor for electrophotography6US 5,087,541 AFuji Electric Co., Ltd. · 1992
- Bisazo photoconductor for electrophotography4US 5,198,318 AFuji Electric Co., Ltd. · 1993
- Optical information recording medium using bisazo or trisazo compounds4US 5,441,844 ARicoh Company, Ltd. · 1995