C09B 5/28
Anthrimide carbazoles
C09B5/28 (Anthrimide carbazoles) appears on 7 US grants and 1 published applications in this corpus.
Search patents in C09B- Granted patents
- 7
- Published applications
- 1
- Assignees
- 5
- Inventors
- 29
- Latest grant
- 20 Sep 1988
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 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 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Anthrimidecarbazole compound having thenoylamino groups20 Sep 1988US 4,772,725 ACiba-Geigy Corporation
- Process for preparing 4,4'-dibenzoylaminodianthrimidecarbazole28 May 1985US 4,520,202 ABayer Aktiengesellschaft
- Anthraquinone vat dyestuffs4 Oct 1983US 4,408,056 ABayer Aktiengesellschaft
- Vat dyestuff prepared from crude anthraquinone mixtures20 Sep 1983US 4,405,785 AToms River Chemical Corporation
- Process for the carbazolation of anthrimides14 Sep 1982US 4,349,478 ACiba-Geigy Corporation
Most cited
By later US patents