C09K 23/26
Sulfonamides
C09K23/26 (Sulfonamides) appears on 10 US grants and 2 published applications in this corpus.
Search patents in C09K- Granted patents
- 10
- Published applications
- 2
- Assignees
- 7
- Inventors
- 27
- Latest grant
- 15 May 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 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 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluorinated surfactants and methods of using the same15 May 2012US 8,176,981 B23M Innovative Properties Company
- Compositions of fluorochemical surfactants16 Jun 2009US 7,547,732 B23M Innovative Properties Company
- Polyether-substituted imide compounds and their use9 May 1995US 5,414,120 ABayer Aktiengesellschaft
- Flexible polyurethane foams with reduced tendency for shrinkage4 May 1993US 5,208,271 ABASF SE
- Adhesion promoting composition and coated film3 Apr 1990US 4,913,970 AEastman Kodak Company
Most cited
By later US patents
- Foaming and silt suspending agent111US 4,113,631 AThe Dow Chemical Company · 1978
- Foaming and silt suspending agent103US 4,108,782 AThe Dow Chemical Company · 1978
- Fluorinated surfactants and methods of using the same32US 8,176,981 B23M Innovative Properties Company · 2012
- Adhesion promoting composition and coated film21US 4,913,970 AEastman Kodak Company · 1990
- Flexible polyurethane foams with reduced tendency for shrinkage16US 5,208,271 ABASF SE · 1993