C09B 29/0832
Having -n-alkylene-heterocyclic ring
Official title: {having -N-alkylene-heterocyclic ring}
C09B29/0832 (Having -n-alkylene-heterocyclic ring) appears on 4 US grants and 1 published applications in this corpus.
Search patents in C09B- Granted patents
- 4
- Published applications
- 1
- Assignees
- 4
- Inventors
- 18
- Latest grant
- 22 Apr 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 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 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Azo dye mixtures22 Apr 2003US 6,551,363 B1Ciba Specialty Chemicals Corporation
- Substituted 5-acyl-3-carbamoyl-2-thienyl azo dyes with aniline, tetrahydroquinoline, and benzomorpholine couplers, process of manufacture, and polyamide testile materials dyed therewith23 Aug 1983US 4,400,318 AEastman Kodak Company
- Azo dyes containing fluorinated carboxylic or sulphonic ester groups on the diazo moiety11 Aug 1981US 4,283,332 AEastman Kodak Company
- Monoazo dyestuffs containing an N-.beta.-1,2,3-triazolylethyl anilino coupling component22 Mar 1977US 4,013,631 ABayer Aktiengesellschaft
Most cited
By later US patents
- Substituted 5-acyl-3-carbamoyl-2-thienyl azo dyes with aniline, tetrahydroquinoline, and benzomorpholine couplers, process of manufacture, and polyamide testile materials dyed therewith13US 4,400,318 AEastman Kodak Company · 1983
- Azo dyes containing fluorinated carboxylic or sulphonic ester groups on the diazo moiety4US 4,283,332 AEastman Kodak Company · 1981
- Monoazo dyestuffs containing an N-.beta.-1,2,3-triazolylethyl anilino coupling component1US 4,013,631 ABayer Aktiengesellschaft · 1977