D06L 4/629
With cationic brighteners
Official title: with cationic brighteners
D06L4/629 (With cationic brighteners) appears on 19 US grants and 9 published applications in this corpus.
Search patents in D06L- Granted patents
- 19
- Published applications
- 9
- Assignees
- 7
- Inventors
- 39
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 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 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 5 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reactive leuco compounds and compositions comprising the same12 Apr 2022US 11,299,634 B2Milliken & Company
- Leuco polymers as bluing agents in laundry care compositions23 Mar 2021US 10,954,474 B2Milliken & Company
- Leuco polymers as bluing agents in laundry care compositions17 Mar 2020US 10,590,275 B2Milliken & Company
- Leuco polymers as bluing agents in laundry care compositions16 Jul 2019US 10,351,709 B2Milliken & Company
- Laundry care compositions with thiazolium dye24 Oct 2017US 9,796,952 B2The Procter & Gamble Company
- Leuco polymers as bluing agents in laundry care compositions4 Oct 2018US 2018/0282663 A1Milliken & Company
- Leuco polymers as bluing agents in laundry care compositions10 May 2018US 2018/0127590 A1Milliken & Company
- Reactive leuco compounds and compositions comprising the same3 May 2018US 2018/0118942 A1Milliken & Company
- Leuco polymers as bluing agents in laundry care compositions3 May 2018US 2018/0118946 A1Milliken & Company
- Leuco polymers as bluing agents in laundry care compositions3 May 2018US 2018/0118947 A1Milliken & Company
Most cited
By later US patents
- Ink jet printing process and pretreatment composition containing a quaternary ammonium compound28US 5,403,358 AImperial Chemical Industries PLC · 1995
- Cationic fluorescent whitening agents21US 4,384,121 ACiba-Geigy Corporation · 1983
- Cationic fluorescent whitening agents15US 4,432,886 ACiba-Geigy Corporation · 1984
- Cationic fluorescent whitening agents15US 4,433,975 ACiba-Geigy Corporation · 1984
- Amphoteric styrene derivatives useful as fluorescent brighteners15US 4,478,598 ACiba-Geigy Corporation · 1984