C09B 5/40
Condensation products of benzanthronyl-amino-anthraquinones
C09B5/40 (Condensation products of benzanthronyl-amino-anthraquinones) appears on 4 US grants and 1 published applications in this corpus.
Search patents in C09B- Granted patents
- 4
- Published applications
- 1
- Assignees
- 3
- Inventors
- 11
- Latest grant
- 23 Jan 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 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 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Photopolymer composition for holographic recording23 Jan 2018US 9,874,811 B2Samsung Electronics Co., Ltd.
- Polycyclic vat dyes9 Jul 1996US 5,534,627 ABASF SE
- Vat dyestuff prepared from crude anthraquinone mixtures20 Sep 1983US 4,405,785 AToms River Chemical Corporation
- Brown vat dye and its preparation6 Apr 1982US 4,323,510 ABASF SE
Most cited
By later US patents