C09B 29/0821
Substituted by sh, sr, so2r, so2xr, so2n
Official title: {substituted by SH, SR, SO2R, SO2XR, SO2N}
C09B29/0821 (Substituted by sh, sr, so2r, so2xr, so2n) appears on 5 US grants and 3 published applications in this corpus.
Search patents in C09B- Granted patents
- 5
- Published applications
- 3
- Assignees
- 5
- Inventors
- 18
- Latest grant
- 31 Jul 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 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 | 3 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Azo dyes31 Jul 2012US 8,231,691 B2Huntsman International LLC
- SO.sub.2 -containing fiber-reactive azo dyestuffs20 Feb 1996US 5,493,010 ABayer Aktiengesellschaft
- 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
- Quaternized azoanilino toluene sulfonamidoalkylene-amine dyes18 May 1976US 3,957,752 AAmerican Aniline Products, Inc.
- Thiazole-azo dyes and the coloration of polyester textile fibers therewith13 Apr 1976US 3,950,130 AAmerican Aniline Products, Inc.
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
- SO.sub.2 -containing fiber-reactive azo dyestuffs4US 5,493,010 ABayer Aktiengesellschaft · 1996
- Thiazole-azo dyes and the coloration of polyester textile fibers therewith3US 3,950,130 AAmerican Aniline Products, Inc. · 1976
- Quaternized azoanilino toluene sulfonamidoalkylene-amine dyes2US 3,957,752 AAmerican Aniline Products, Inc. · 1976