C11D 9/448
Brightening agents
Official title: {Brightening agents}
C11D9/448 (Brightening agents) appears on 3 US grants and 1 published applications in this corpus.
Search patents in C11D- Granted patents
- 3
- Published applications
- 1
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 22 Apr 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 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 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Transparent soap comprising fluorescer22 Apr 2014US 8,703,686 B2Conopco, Inc.
- Fabric softener compositions containing a polymeric fluorescent whitening agent17 Nov 1992US 5,164,100 ALever Brothers Company, Division of Conopco, Inc.
- Fabric care compositions containing a polymeric fluorescent whitening agent21 Jan 1992US 5,082,578 ALever Brothers Company, Division of Conopco, Inc.
Most cited
By later US patents