D06L 4/65
With mixtures of optical brighteners
Official title: with mixtures of optical brighteners
D06L4/65 (With mixtures of optical brighteners) appears on 51 US grants and 11 published applications in this corpus.
Search patents in D06L- Granted patents
- 51
- Published applications
- 11
- Assignees
- 11
- Inventors
- 83
- Latest grant
- 16 Jan 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical brightening agents for high quality ink-jet printing16 Jan 2018US 9,868,858 B2Archroma IP GmbH
- Formulations of fluorescent whitening agents in dispersed form25 Mar 2014US 8,679,199 B2Hunstman International LLC
- Storage-stable fluorescent whitener formulations24 Apr 2012US 8,163,688 B2BASF SE
- Triazinylaminostilbene disulphonic acid mixtures8 Sep 2009US 7,585,333 B2Ciba Specialty Chemicals Corporation
- Mixtures of fluorescent whitening agents3 Mar 2009US 7,497,971 B2Ciba Specialty Chemicals Corporation
- Optical brightening agents for high quality ink-jet printing23 Jun 2016US 2016/0177098 A1Archroma IP GmbH
- Detergent compositions23 Jul 2015US 2015/0203798 A1The Procter & Gamble Company
- Formulations of Fluorescent Whitening Agents in Dispersed Form31 Oct 2013US 2013/0283547 A1Huntsman International LLC
- Triazinylaminostilbene Disulphonic Acid Mixtures18 Dec 2008US 2008/0307585 A1Ciba Specialty Chemicals Corporation
- Storage-stable fluorescent whitener formulations3 May 2007US 2007/0094814 A1BASF SE
Most cited
By later US patents
- Optical brighteners compositions their production and their use22US 6,890,454 B2Clariant Finance (BVI) Limited · 2005
- Mixtures of optical brighteners16US 4,330,427 AHoechst Aktiengesellschaft · 1982
- Mixtures of optical brighteners15US 4,169,810 AHoechst Aktiengesellschaft · 1979
- Mixtures of optical brighteners11US 4,336,155 AHoechst Aktiengesellschaft · 1982
- Preparation of optical brighteners11US 4,380,514 ABASF SE · 1983